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DATA SHEET
SKY73009: 400 - 3000 MHz Direct Quadrature Demodulator
Applications
* PCS, DCS, GSM/GPRS, and EDGE receivers * Third Generation (3G) wireless communications * Power amplifier feedback/linearization * Wireless Local Loops (WLLs) * Wireless Local Area Networks (WLANs)
Description
Skyworks SKY73009 is an integrated, broadband, high-dynamic range quadrature demodulator for use in various wireless communication system applications. The SKY73009 can perform quadrature demodulation of RF input signals from 400 to 3000 MHz directly to baseband frequencies. The quadrature outputs are differential and can be directly connected to most commonly available A/D converters. The high dynamic range and second order Input Intercept Point (IIP2) value of the SKY73009 make it ideal for use in direct conversion and low Intermediate Frequency (IF) receivers. Figure 1 shows a functional block diagram for the SKY73009. The device package and pinout for the 32-pin RF Land Grid Array (RFLGA) are shown in Figure 2. Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances) compliant packaging.
Features
* High IIP2 and IIP3 * Wideband RF input frequency range (400 to 3000 MHz) * Wideband LO input frequency range (400 to 3000 MHz) * Integrated LO balun * Integrated LO amplifier * On-chip I/Q phase splitter * Differential IF output supports direct interface to A/D circuitry * AM demodulation immunity * Single +3.0 V supply * RFLGATM (32 pin, 5 x 5 mm) Pb-free package (MSL3, 260 C per JEDEC J-STD-020)
GND
GND
GND
GND
27
32
31
30
29
28
26 25 24 23 22 21 20 19 18 17
I+
I-
GND GND GND VCC VCC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
GND
RF+
RF-
GND IFIP GND IFIN GND IFQP GND IFQN GND
RF+ RF-
0 90 180
VCC
LO
GND GND GND
GND
GND
GND
GND
LO
GND
GND
C1468
Q+
Q-
C1469
Figure 1. SKY73009 Functional Block Diagram
Figure 2. SKY73009 Pinout- 32-Pin RFLGA Package (Top View)
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DATA SHEET * SKY73009 DEMODULATOR
Table 1. SKY73009 Signal Descriptions
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GND GND GND VCC VCC VCC GND GND GND GND GND GND GND LO GND GND Name Ground Ground Ground +3 VDC supply +3 VDC supply +3 VDC supply Ground Ground Ground Ground Ground Ground Ground LO input Ground Ground Description Pin # 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 GND IFQN GND IFQP GND IFIN GND IFIP GND GND GND RF- GND RF+ GND GND Name Ground Negative quadrature IF output Ground Positive quadrature IF output Ground Negative in-phase IF output Ground Positive in-phase IF output Ground Ground Ground Negative RF input Ground Positive RF input Ground Ground Description
Table 2. SKY73009 Absolute Maximum Ratings (TA = +25 C, unless otherwise noted)
Parameter +3 V supply voltage Power dissipation RF input power LO input power Operating case temperature Storage case temperature
Note:
Symbol VCC PD PRFIN PLOIN TOPR TSTG
Min 2.7
Typical
Max 3.6
Units V mW dBm dBm C C
210
320 18
0 -40 -40 0
6 +85 +125
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal values.
Equivalent Input Circuits
An equivalent circuit for the RF input of the SKY73009 is shown in Figure 3. The equivalent circuit for the Local Oscillator (LO) input is shown in Figure 4. An internal balun is used to convert the single-ended LO input into a differential signal before being buffered inside the device.
provides the package dimensions for the 32-pin RFLGA, and Figure 63 provides the tape and reel dimensions.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. The SKY73009 is rated to Moisture Sensitivity Level 3 (MSL3) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, PCB Design & SMT Assembly/Rework Guidelines for RFLGA Packages, document number 103147.
Electrical and Mechanical Specifications
Signal pin assignments and functional pin descriptions are provided in Table 1. The absolute maximum ratings of the SKY73009 are provided in Table 2 and the recommended operating conditions provided in Table 3. Electrical characteristics of the SKY73009 are provided in Table 4. The typical performance of the SKY73009 with respect to frequency is illustrated in Figures 5 through 54. Figure 62
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DATA SHEET * SKY73009 DEMODULATOR
RF+ RF-
S729
Figure 3. Equivalent Circuit for the RF input
LO Input
1:1
S730
Figure 4. Equivalent Circuit for The LO input.
Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. For packaging details, refer to the Skyworks Application Note Tape and Reel, document number 101568.
Electrostatic Discharge (ESD) Sensitivity
The SKY73009 is a static-sensitive electronic device. Do not operate or store near strong electrostatic fields. Take proper ESD precautions.
Table 3. SKY73009 Recommended Operating Conditions
Parameter +3 V supply voltage Current consumption Operating case temperature VCC ICC TOPR -40 Symbol Min 2.7 Typical 3.0 75 +85 Max 3.3 Units V mA C
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DATA SHEET * SKY73009 DEMODULATOR
Table 4. SKY73009 Electrical Characteristics (VCC = 3 V, IF = 10 MHz, LO Input Power = 0 dBm, TC = 25 C, ZO = 50 , unless otherwise noted)
Parameter RF input frequency range LO input frequency range (Note 1) IF frequency range I/Q amplitude imbalance I/Q phase error IF output impedance (Note 2) LO to RF isolation IF output DC level RF Input (900 MHz) Voltage conversion gain SSB Noise Figure 2 Order Input Intercept Point 3rd Order Input Intercept Point -1 dB compression point RF input VSWR LO input VSWR Noise floor RF Input (1900 MHz) Voltage conversion gain SSB Noise Figure 2 Order Input Intercept Point 3rd Order Input Intercept Point -1 dB compression point RF input VSWR LO input VSWR Noise floor
Note 1: For operation at LO frequencies <550 MHz and >2500 MHz, an LO power of +3 dBm must be used. Note 2: Differential IFI and IFQ output impedance without the use of a 9:1 impedance ratio balun.
nd nd
Symbol
Test Conditions
Min 400 400 DC -0.3
Typical
Max 3000 3000 250 +0.3
Units MHz MHz MHz dB deg dB
1 500 50 Over process and operating temperature 0.95 1.20 1.55
V
0 NF IIP2 IIP3 24 10
2 14 60 27 12 1.5:1 1.5:1 -166 2.0:1 2.0:1 16
dB dB dBm dBm dBm
dBm/Hz
-0.7 NF IIP2 IIP3 22 11
+1.3 15 60 25 13 1.5:1 1.5:1 -163 2.0:1 2.0:1 17
dB dB dBm dBm dBm
dBm/Hz
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DATA SHEET * SKY73009 DEMODULATOR
+3 +2
+3 +2
Voltage Gain (dB)
Voltage Gain (dB)
+1 0 -1 -2 -3 400 420 440 460 480 500 LO = -6 dBm LO = 0 dBm LO = +3 dBm
+1 0 -1 -2 -3 400 420 440 460 480 500 VDD = 2.7 V VDD = 3.0 V VDD = 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 5. Voltage Conversion Gain vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
Figure 6. Voltage Conversion Gain vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
15.0 14.5 14.0 13.5
LO = -6 dBm LO = 0 dBm LO = +3 dBm
15 14.5 14 13.5 P1dB (dBm) 13 12.5 12 11.5 11 10.5 10 400 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 400 420 440 460 480 500
450 Frequency (MHz)
500
Frequency (MHz)
Figure 7. 1 dB Compression Point vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
Figure 8. 1dB Compression Point vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
36 34 32 30 28 26 24 22 20 400 LO = -6 dBm LO = 0 dBm LO = +3 dBm
36 34 32 30 28 26 24 22 20 400 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
IIP3 (dBm)
IIP3 (dBm)
420
440
460
480
500
410
420
430
440
450
460
470
480
490
500
Frequency (MHz)
Frequency (MHz)
Figure 9. IIP3 vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
Figure 10. IIP3 vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
80 78 76 74 IIP2 (dBm)
IIP2 (dBm)
80
LO = -6 dBm LO = 0 dBm LO = +3 dBm
70 75
Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
72 70 68 66 64 62 60 400
65
60
55
420
440
460
480
500
50 400
410
420
430
440
450
460
470
480
490
500
Frequency (MHz)
Frequency (MHz)
Figure 11. IIP2 vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
Figure 12. IIP2 vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
20 19 18 17 LO = -6 dBm LO = 0 dBm LO = +3 dBm
20 19 18 17 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
NF (dB)
16 NF (dB) 15 14 13 12 11 10 400
16 15 14 13 12 11 10 400
410
420
430
440
450
460
470
480
490
500
420
440
460
480
500
Frequency (MHz)
Frequency (MHz)
Figure 13. NF vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
Figure 14. NF vs Frequency: 400-500 MHz (Mini-Circuits TC1-1 Balun on RF Port)
+4 +3
+4 +3
Voltage Gain (dB)
Voltage Gain (dB)
+2 +1 0 -1 -2 800 840 880 920 960 1000
+2 +1 0 -1 -2 800 840 880 920 960 1000 VDD = 2.7 V VDD = 3.0 V VDD = 3.3 V
LO = -6 dBm LO = 0 dBm LO = +3 dBm
Frequency (MHz)
Frequency (MHz)
Figure 15. Voltage Conversion Gain vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
Figure 16. Voltage Conversion Gain vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
15.0 14.5 14.0 13.5
LO = -6 dBm LO = 0 dBm LO = +3 dBm
15 14.5 14 13.5 P1dB (dBm) 13 12.5 12 11.5 11 10.5 10 800 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 800 820 840 860 880 900 920 940 960 980 1000
850
900 Frequency (MHz)
950
1000
Frequency (MHz)
Figure 17. 1 dB Compression Point vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
Figure 18. 1 dB Compression Point vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
36 34 32 30 28 26 24 22 20 800 LO = -6 dBm LO = 0 dBm LO = +3 dBm
36 34 32 30 28 26 24 22 20 800 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
IIP3 (dBm)
IIP3 (dBm)
820
840
860
880
900
920
940
960
980
1000
820
840
860
880
900
920
940
960
980
1000
Frequency (MHz)
Frequency (MHz)
Figure 19. IIP3 vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
Figure 20. IIP3 vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
70 68 66 64 IIP2 (dBm) IIP2 (dBm) 62 60 58 56 54 52 50 800 LO = -6 dBm LO = 0 dBm LO = +3 dBm
80 Vdd = 2.7V 75 Vdd = 3.0V Vdd = 3.3V 70
65
60
55
820
840
860
880
900
920
940
960
980
1000
50 800
820
840
860
880
900
920
940
960
980
1000
Frequency (MHz)
Frequency (MHz)
Figure 21. IIP2 vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
Figure 22. IIP2 vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
20 19 18 17 16 NF (dB) 15 14 13 12 11 10 800
NF (dB)
20
LO = -6 dBm LO = 0 dBm LO = +3 dBm
19 18 17 16 15 14 13 12 11 10 800
Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
820
840
860
880
900
920
940
960
980
1000
820
840
860
880
900
920
940
960
980
1000
Frequency (MHz)
Frequency (MHz)
Figure 23. NF vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
Figure 24. NF vs Frequency: 800-1000 MHz (Murata LDB15C500A0900 Balun on RF Port)
+3 +2
+3 +2
Voltage Gain (dB)
Voltage Gain (dB)
+1 0 -1 -2 -3 1500 LO = -6 dBm LO = 0 dBm LO = +3 dBm
+1 0 -1 -2 -3 1500 VDD = 2.7 V VDD = 3.0 V VDD = 3.3 V
1550
1600
1650
1700
1550
1600
1650
1700
Frequency (MHz)
Frequency (MHz)
Figure 25. Voltage Conversion Gain vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
Figure 26. Voltage Conversion Gain vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
15 LO = -6 dBm 14.5 14 13.5 P1dB (dBm) P1dB (dBm) 13 12.5 12 11.5 11 10.5 10 1500 LO = 0 dBm LO = +3 dBm
15 14.5 14 13.5 13 12.5 12 11.5 11 10.5 10 1500 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
1550
1600 Frequency (MHz)
1650
1700
1550
1600 Frequency (MHz)
1650
1700
Figure 27. 1 dB Compression Point vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
Figure 28. 1 dB Compression Point vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
36 34 32 30 28 26 24 22 20 1500 LO = -6 dBm LO = 0 dBm LO = +3 dBm
36 34 32 30 28 26 24 22 20 1500 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
IIP3 (dBm)
1550
1600 Frequency (MHz)
1650
1700
IIP3 (dBm)
1550
1600 Frequency (MHz)
1650
1700
Figure 29. IIP3 vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
Figure 30. IIP3 vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
70 68 66 64 IIP2 (dBm) IIP2 (dBm) 62 60 58 56 54 52 50 1500 LO = -6 dBm LO = 0 dBm LO = +3 dBm
80 Vdd = 2.7V 75 Vdd = 3.0V Vdd = 3.3V 70
65
60
55
1550
1600 Frequency (MHz)
1650
1700
50 1500
1550
1600 Frequency (MHz)
1650
1700
Figure 31. IIP2 vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
Figure 32. IIP2 vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
20 LO = -6 dBm 19 18 17 16 NF (dB) 15 14 13 12 11 10 1500 NF (dB) LO = 0 dBm LO = +3 dBm
20 19 18 17 16 15 14 13 12 11 10 1500 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
1550
1600 Frequency (MHz)
1650
1700
1550
1600 Frequency (MHz)
1650
1700
Figure 33. NF vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
Figure 34. NF vs Frequency: 1500-1700 MHz (Murata LDB15C500A1600 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
+3 +2
+3 +2
Voltage Gain (dB)
+1 0 -1 -2 -3 1800 LO = -6 dBm LO = 0 dBm LO = +3 dBm
Voltage Gain (dB)
+1 0 -1 -2 -3 1800 VDD = 2.7 V VDD = 3.0 V VDD = 3.3 V
1850
1900
1950
2000
1850
1900
1950
2000
Frequency (MHz)
Frequency (MHz)
Figure 35. Voltage Conversion Gain vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
Figure 36. Voltage Conversion Gain vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
15 14.5 14 13.5 13 12.5 12 11.5 11 10.5 10 1800 P1dB (dBm) P1dB (dBm) LO = -6 dBm LO = 0 dBm LO = +3 dBm
20 19 18 17 16 15 14 13 12 11 10 1800 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
1850
1900 Frequency (MHz)
1950
2000
1850
1900 Frequency (MHz)
1950
2000
Figure 37. 1 dB Compression Point vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
Figure 38. 1 dB Compression Point vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
36 34 32 30 IIP3 (dBm) 28 26 24 22 20 1800 IIP3 (dBm) LO = -6 dBm LO = 0 dBm LO = +3 dBm
36 34 32 30 28 26 24 22 20 1800 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
1850
1900 Frequency (MHz)
1950
2000
1850
1900 Frequency (MHz)
1950
2000
Figure 39. IIP3 vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
Figure 40. IIP3 vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
70 68 66 64 IIP2 (dBm) IIP2 (dBm) 62 60 58 56 54 52 50 1800 LO = -6 dBm LO = 0 dBm LO = +3 dBm
80 Vdd = 2.7V 75 Vdd = 3.0V Vdd = 3.3V 70
65
60
55
1850
1900 Frequency (MHz)
1950
2000
50 1800
1850
1900 Frequency (MHz)
1950
2000
Figure 41. IIP2 vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
Figure 42. IIP2 vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
20 19 18 17 NF (dB) NF (dB) 16 15 14 LO = -6 dBm LO = 0 dBm LO = +3 dBm
20 19 18 17 16 15 14 13 12 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
13 12 1800
11 10 1800
1850
1900 Frequency (MHz)
1950
2000
1850
1900 Frequency (MHz)
1950
2000
Figure 43. NF vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
Figure 44. NF vs Frequency: 1800-2000 MHz (Murata LDB15C500A1900 Balun on RF Port)
+3 +2
+3 +2
Voltage Gain (dB)
Voltage Gain (dB)
+1 0 -1 -2 -3 2300 LO = -6 dBm LO = 0 dBm LO = +3 dBm
+1 0 -1 -2 -3 2300 VDD = 2.7 V VDD = 3.0 V VDD = 3.3 V
2350
2400
2450
2500
2350
2400
2450
2500
Frequency (MHz)
Frequency (MHz)
Figure 45. Voltage Conversion Gain vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
Figure 46. Voltage Conversion Gain vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
15 14.5 14 13.5 P1dB (dBm) 13 12.5 12 11.5 11 10.5 10 2300 P1dB (dBm) LO = -6 dBm LO = 0 dBm LO = +3 dBm
20 19 18 17 16 15 14 13 12 11 10 2300 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
2350
2400 Frequency (MHz)
2450
2500
2350
2400 Frequency (MHz)
2450
2500
Figure 47. 1 dB Compression Point vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
Figure 48. 1 dB Compression Point vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
30 29 27 25 IIP3 (dBm) 23 21 19 17 15 2300 IIP3 (dBm) LO = -6 dBm LO = 0 dBm LO = +3 dBm 29 28 27 26 25 24 23 22 21 20 2300 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
2350
2400 Frequency (MHz)
2450
2500
2350
2400 Frequency (MHz)
2450
2500
Figure 49. IIP3 vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
Figure 50. IIP3 vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
70 68 66 64 IIP2 (dBm) IIP2 (dBm) 62 60 58 56 54 52 50 2300 LO = -6 dBm LO = 0 dBm LO = +3 dBm
80 Vdd = 2.7V 75 Vdd = 3.0V Vdd = 3.3V 70
65
60
55
2350
2400 Frequency (MHz)
2450
2500
50 2300
2350
2400 Frequency (MHz)
2450
2500
Figure 51. IIP2 vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
Figure 52. IIP2 vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
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DATA SHEET * SKY73009 DEMODULATOR
20 19 18 17 NF (dB) NF (dB) 16 15 14 LO = -6 dBm LO = 0 dBm LO = +3 dBm
20 19 18 17 16 15 14 13 12 Vdd = 2.7V Vdd = 3.0V Vdd = 3.3V
13 12 2300
11 10 2300
2350
2400 Frequency (MHz)
2450
2500
2350
2400 Frequency (MHz)
2450
2500
Figure 53. NF vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
Figure 54. NF vs Frequency: 2300-2500 MHz (Murata LDB15C500A2400 Balun on RF Port)
Evaluation Board Description
The SKY73009 Evaluation Board is used to test the performance of the SKY73009 direct quadrature demodulator. There are three Evaluation Boards for this device, each configured for a specific frequency range. Schematic diagrams and Bills of Materials (BOMs) for each board are presented in the following Figures and Tables: * Figure 55 and Table 5 (800-1000 MHz) * Figure 56 and Table 6 (1500-2500 MHz) * Figure 57 and Table 7 (custom frequency) The Evaluation Board assembly diagram is shown in Figure 58 (800-1000 MHz), Figure 59 (1500-2500 MHz), and Figure 60 (custom frequency). Circuit Design Considerations The following design considerations are general in nature and must be followed regardless of final use or configuration. 1. Paths to ground should be made as short as possible. 2. The ground pad of the SKY73009 direct quadrature demodulator has special electrical and thermal grounding requirements. This pad is the main thermal conduit for heat dissipation. Since the circuit board acts as the heat sink, it must shunt as much heat as possible from the device. As such, design the connection to the ground pad to dissipate the maximum wattage produced to the circuit board. 3. Two external output bypass capacitors are required on the VCC pin. The values of these capacitors will change with respect to the desired RF frequency. One capacitor should be used for low frequency bypassing and the other capacitor for high frequency bypassing. Special attention should be given
so that the smaller value capacitor does not go into selfresonance at the desired RF frequency. 4. The RF input must be driven differentially. A 1:1 impedance ratio balun is recommended with a center tap on the secondary side that is DC grounded. Testing Procedure Use the following procedure to set up the SKY73009 Evaluation Board for testing. Refer to Figure 61 for guidance: 1. Connect a +3.0 VDC power supply using an insulated supply cable. If available, enable the current limiting function of the power supply to 100 mA. 2. Connect a signal generator to the RF signal input port. Set it to the desired RF frequency at a power level of 0 dBm to the Evaluation Board but do NOT enable the RF signal. 3. Connect a signal generator to the LO signal input port. Set to the desired LO frequency at a power level of 0 dBm, but do not enable. 4. Connect a spectrum analyzer to the IFI signal output port and terminate the IFQ signal input port in 50 . 5. Enable the power supply. 6. Enable the LO input signal. 7. Enable the RF signal. 8. Take measurements and repeat these steps for channel Q. CAUTION: If any of the input signals exceed the rated maximum values, the SKY73009 Evaluation Board can be permanently damaged.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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13
DATA SHEET * SKY73009 DEMODULATOR
1 1 2
5
2
T1
4 3 6 1
J1 2-Pin Header
J2 SMA
C1 33 pF
32 31 30 29 28 27 26
RF+
GND
GND
GND
RF-
GND
1
GND
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25 24 23 22 21 20 19 18 17 3 2 1 4 3 2 1 4
C2 1000 pF
2 3 4 5 6 7 8 9
T2
6
I_IF
1
J3 SMA
U1 SKY73009
GND IFQP GND IFQN
T3
6
Q_IF
1
J4 SMA
GND
GND
GND
GND
GND
10
11
12
13
14
15
16
R1 0
1
J5 SMA
S181
Figure 55. SKY73009 Evaluation Board Schematic (800-1000 MHz) Table 5. SKY73009 Evaluation Board Component Values (800-1000 MHz)
Reference Designator C1 C2 J1 J2 J3 J4 J5 R1 T1 T2 T3 U1 Quantity 1 1 1 1 1 1 1 1 1 1 1 1 33 pF (0603) 1000 pF (0603) Two-pin header connector SMA connector SMA connector SMA connector SMA connector 0 (0603) 1:1 (800-1000 MHz) 9:1 9:1 - Murata Mini-Circuits Mini-Circuits Skyworks LDB31900M05C-417 TCM-9-1 TCM-9-1 SKY73009-11 Value Manufacturer Part Number
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GND
GND
GND
LO
DATA SHEET * SKY73009 DEMODULATOR
2, 5 1 2
1
T1
3 4 1
J1 2-Pin Header
J2 SMA
C1 33 pF
32 31 30 29 28 27 26
RF+
GND
GND
GND
RF-
GND
1
GND
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25 24 23 22 21 20 19 18 17 3 2 1 4 3 2 1 4
C2 1000 pF
2 3 4 5 6 7 8 9
T2
6
I_IF
1
J3 SMA
U1 SKY73009
GND IFQP GND IFQN
T3
6
Q_IF
1
J4 SMA
GND
GND
GND
GND
GND
10
11
12
13
14
15
16
R1 0
1
J5 SMA
S731
Figure 56. SKY73009 Evaluation Board Schematic (1500-2500 MHz) Table 6. SKY73009 Evaluation Board Component Values (1500-2500 MHz)
Reference Designator C1 C2 J1 J2 J3 J4 J5 R1 T1 Quantity 1 1 1 1 1 1 1 1 1 33 pF (0603) 1000 pF (0603) Two-pin header connector SMA connector SMA connector SMA connector SMA connector 0 (0603) 1:1 (1500-1700 MHz), or 1:1 (1800-2000 MHz), or 1:1 (2300-2500 MHz) 9:1 9:1 - Murata LDB211G6005C-001 LDB211G9005C-001 LDB211G4005C-001 TCM-9-1 TCM-9-1 SKY73009-11 Value Manufacturer Part Number
T2 T3 U1
1 1 1
Mini-Circuits Mini-Circuits Skyworks
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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GND
GND
GND
LO
15
DATA SHEET * SKY73009 DEMODULATOR
C3 1000 pF
1 2 4 5
J1 2-Pin Header
T1 ETC1-1-13
3 1
L1
1
C1 33 pF
32 31 30 29 28 27 26
J2 SMA
L2
GND
GND
RF+
GND
GND
GND
RF-
1
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25 24 23 22 21 20 19 18 17 3 2 1 4 3 2 1 4
C2 1000 pF
2 3 4 5 6 7 8 9
T2
6
I_IF
1
J3 SMA
U1 SKY73009
GND IFQP GND IFQN
T3
6
Q_IF
1
J4 SMA
GND
GND
GND
GND
GND
10
11
12
13
14
15
16
R1 0
1
J5 SMA
S732
Figure 57. SKY73009 Evaluation Board Schematic (Custom Frequency) Table 7. SKY73009 Evaluation Board Component Values (Custom Frequency)
Reference Designator C1 C2 C3 J1 J2 J3 J4 J5 L1 L2 R1 T1 T2 T3 U1 Quantity 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 33 pF (0603) 1000 pF (0603) 33 pF (0603) Two-pin header connector SMA connector SMA connector SMA connector SMA connector Adjusted for best match at desired frequency Adjusted for best match at desired frequency 0 (0603) 1:1 (4.5-3000 MHz) 9:1 9:1 - M/A-Com Mini-Circuits Mini-Circuits Skyworks ETC1-1-13 TCM-9-1 TCM-9-1 SKY73009-11 Value Manufacturer Part Number
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 16
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GND
GND
GND
LO
DATA SHEET * SKY73009 DEMODULATOR
J2
T1
J3
T2
J1
C1 C2 T3 C3
J4
J5
Component Placement
Top Layer
Bottom Layer
S733
Figure 58. SKY73009 Evaluation Board Assembly Diagram - 800-1000 MHz
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17
DATA SHEET * SKY73009 DEMODULATOR
J2
J1
C1 C2
T1
T2
J3
T3 C3
J4
J5
Component Placement
Top Layer
Bottom Layer
S734
Figure 59. SKY73009 Evaluation Board Assembly Diagram - 1500-2500 MHz
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DATA SHEET * SKY73009 DEMODULATOR
J2
C3 L1 L2 T1 T2
J3
J1
C1 C2
T3 R1
J4
J5
Component Placement
Top Layer
Bottom Layer
S735
Figure 60. SKY73009 Evaluation Board Assembly Diagram - Custom Frequency
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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19
DATA SHEET * SKY73009 DEMODULATOR
Power Supply
VCC GND Signal Generator RF
IFI
Spectrum Analyzer
SKY73009 Evaluation Board
LO
IFQ 50
Signal Generator
C1471
Figure 61. SKY73009 Evaluation Board Testing Configuration
5.04 0.05
2.480 To Metal Pad Edge Solder Mask
2.350
Pin #1
0.300
0.150 Pin #1 Mark
Downset Paddle
0.500 2.350
5.04 0.05
4.200
0.500
Detail A
2.000
Top View
Bottom View
Solder Mask Exposed Metal
Mold
1.00 0.10
0.38 0.05 (32x)
Substrate
0.040 Ref.
0.30 0.05
0.300 0.02 (32x)
Side View
All measurements are in millimeters
Package Edge
0.400 0.05 (32x)
Detail A
2.480 To Metal Pad Edge
C1285a
Figure 62. SKY73009 32-Pin RFLGA Package Dimensions
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DATA SHEET * SKY73009 DEMODULATOR
2.00 0.05 1.55 0.05 0.30 0.05 8.00 4.00
B
Pin #1 Indicator
1.75 0.10
5.50 0.05
A
5.35
A
5o Max. 1.70
B
1.50 Min. 5.35
B
Notes: 1. Carrier tape: black conductive polystyrene 2. Cover tape material: transparent conductive PSA 3. Cover tape size: 9.3 mm width 4. All dimensions are in millimeters
5o Max.
A
S461
Figure 63. SKY73009 32-Pin RFLGA Tape and Reel Dimensions
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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12.00 0.30
21
DATA SHEET * SKY73009 DEMODULATOR
Ordering Information
Model Name SKY73009 400-3000 MHz Direct Quadrature Modulator Manufacturing Part Number SKY73009-11 Evaluation Kit Part Number TW11-D982 (tuned for 800 to 1000 MHz) TW11-D992 (tuned for 1800 to 2000 MHz) TW12-D275 (custom frequency board)
Copyright (c) 2003, 2004, 2005, 2006, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes. No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions of Sale. THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A PARTICULAR PURPOSE OR USE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY DISCLAIMED. SKYWORKS DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO ANY SPECIAL, INDIRECT, INCIDENTAL, STATUTORY, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THE MATERIALS OR INFORMATION, WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury, death, physical or environmental damage. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters. Skyworks, the Skyworks symbol, and "Breakthrough Simplicity" are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
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