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Preliminary
Product Description
Sirenza Microdevices' SZA-5044 is a high efficiency class AB Heterojunction Bipolar Transistor (HBT) amplifier housed in a low-cost surface-mountable plastic package. This HBT amplifier is made with InGaP on GaAs device technology and fabricated with MOCVD for an ideal combination of low cost and high reliability. This product is specifically designed as a final stage for 802.11a equipment in the 4.9 - 5.9 GHz band for a 5V supply. Optimized on-chip impedance matching circuitry provides a 50 nominal RF input impedance. A single external output matching circuit covers the entire 4.95.9GHz band simultaneously. The external output match allows for load line optimization for other applications or optimized performance over narrower bands.
SZA-5044
4.9 - 5.9 GHz 5V Power Amplifier
4mm x 4mm QFN Package
* * * * * * * *
Product Features
802.11a 54Mb/s Class AB Performance Pout = 21.5dBm @ 3% EVM, 5V, 310mA High Gain = 28dB Output Return Loss < -11dB for Linear Tune On-chip Output Power Detector P1dB = 29dBm @ 5V Simultaneous 4.9- 5.9GHz Performance Robust - Survives RF Input Power = +15dBm Power up/down control < 1s, Vpc 2.9V to 5V
Functional Block Diagram
Vcc Pow er Up/Dow n Control
Activ e Bias
Activ e Bias
Activ e Bias
RFIN
RFOUT
Applications
Pow er Detector Vout
Key Specifications
Symbol fO P1dB S21 Pout NF IRL ORL Vdet Range Icq IVPC Rth, j-l Parameters: Test Conditions, App circuit page 4 Z0 = 50, VCC = 5.0V, Icq = 220mA, TBP = 25C Frequency of Operation Output Power at 1dB Compression - 5.15 GHz Output Power at 1dB Compression - 5.875 GHz Gain at 5.15 GHz Gain at 5.875 GHz
* * *
802.11a WLAN, OFDM 5.8GHz ISM Band Fixed Wireless, UNII, 802.16 WiMAX
Unit MHz dBm dB dBm dB dB V mA mA C/W 185 10 7 Min. 4900 28.0 26.5 27.2 24.4 29.5 28.0 29.2 26.4 22 21 6.3 15 11 0.8 to 1.9 220 1.7 24 255 31.2 28.4 Typ. Max. 5900
Output power at 3% EVM 802.11a 54Mb/s - 5.15GHz Output Power at 3% EVM 802.11a 54Mb/s - 5.875GHz Noise Figure at 5.875 GHz Worst Case Input Return Loss 5.15-5.875GHz Worst Case Output Return Loss 5.15-5.875GHz Output Voltage Range for Pout=10dBm to 26dBm Vcc Quiescent Current Power Up Control Current, Vpc=5V ( IVPC1 + IVPC2 + IVPC3 ) Thermal Resistance (junction - lead)
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or ommisions. Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2002 Sirenza Microdevices, Inc. All worldwide rights reserved.
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 1
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
Pin Out Description
Pin # 1,3,5,9, 11,15,17 6 Function N/C Description Pins are not used. May be grounded, left open, or connected to adjacent pin. VPC1 is the bias control pin for the stage 1 active bias circuit and can be run from 2.9V to 5V control. An external series resistor is required for proper setting of bias levels depending on control voltage. Refer to the evaluation board schematic for resistor value. To prevent potential damage, do not apply voltage to this pin that is +1V greater than voltage applied to pin 20 (Vbias) unless Vpc supply current capability is less than 10 mA. VPC2 is the bias control pin for the stage 2 active bias circuit and can be run from 2.9V to 5V control. An external series resistor is required for proper setting of bias levels depending on control voltage. Refer to the evaluation board schematic for resistor value. To prevent potential damage, do not apply voltage to this pin that is +1V greater than voltage applied to pin 20 (Vbias) unless Vpc supply current capability is less than 10 mA. VPC3 is the bias control pin for the stage 3 active bias circuit and can be run from 2.9V to 5V control. An external series resistor is required for proper setting of bias levels depending on control voltage. Refer to the evaluation board schematic for resistor value. To prevent potential damage, do not apply voltage to this pin that is +1V greater than voltage applied to pin 20 (Vbias) unless Vpc supply current capability is less than 10 mA. Ouput power detector voltage. Load with 10K-100K ohms to ground for best performance. RF input pins. This is DC grounded internal to the IC. Do not apply voltage to this pin. All three pins must be used for proper operation. RF output pin. This is also another connection to the 3rd stage collector 3rd stage collector bias pin. Apply 5V to this pin. 2nd stage collector bias pin. Apply 5V to this pin. 1st stage collector bias pin. Apply 5V to this pin. Active bias network VCC. Apply 5V to this pin. Exposed area on the bottom side of the package needs to be soldered to the ground plane of the board for optimum thermal and RF performance. Several vias should be located under the EPAD as shown in the recommended land pattern (page 5).
VPC1
7
VPC2
8 10 2,4 12,13,14 16 18 19 20 EPAD
VPC3 Vdet RFIN RFOUT VC3 VC2 VC1 Vbias Gnd
Simplified Device Schematic
Pin 6 Pin 20 Pin 19 Pin 7 Pin 18 Pin 8 Pin 16
Absolute Maximum Ratings
Parameters VC3 Collector Bias Current (pin16) VC2 Collector Bias Current (pin18) VC1 Collector Bias Current (pin19) Device Voltage (VD) Value 500 225 75 7.0 3.4 -40 to +85 15 2 -40 to +150 +150 >1000 Unit mA mA mA V W C dBm dBm C C V
Stage 1 Bias
Stage 2 Bias
Stage 3 Bias Pin 12,13,14
Power Dissipation Operating Lead Temperature (TL) RF Input Power for 50 ohm RF out load RF Input Power for 10:1 VSWR RF out load Storage Temperature Range Operating Junction Temperature (TJ) ESD Human Body Model
Pin 2, 4
EPAD
EPAD
Pin 10
EPAD
Operation of this device beyond any one of these limits may cause permanent damage. For reliable continuous operation the device voltage and current must not exceed the maximum operating values specified in the table on page one.
Caution: ESD Sensitive
Appropriate precaution in handling, packaging and testing devices must be observed.
Bias conditions should also satisfy the following expression: IDVD < (TJ - TL) / RTH' j-l
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 2
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
4.9 - 5.9 GHz Evaluation Board Data (VBIAS = 5.0V, Iq = 220mA)
S11 - Input Return Loss
0 -5 -10 S11(dB) -15 -20 -25 -30 -35 1 2 3 4 Freq(GHz) T=-40C T=25C T=85C 5 6 7
S21(dB) 35 30 25 20 15 10 5 0 1 2
S21 - Gain
3
4 Freq(GHz)
5
6
7
T=-40C
T=25C
T=85C
S22 - Output Return Loss
0 -5
Gain(dB) 31 30 29 28 27 26 25 24 12 14 16
Gain vs Pout, T=25C
-10 S22(dB) -15 -20 -25 -30 1 2 3 4 Freq(GHz) T=-40C T=25C T=85C 5 6 7
18
20
22
24
26
28
30
Pout(dBm) F=4.9 F=5.15 F=5.35 F=5.725 F=5.875
Idc vs Pout, T=25C
0.7 0.6 Idc(A)
Idc(A) 0.4 0.3
Iq (DC bias point) vs Vsupply (V+ and Vpc)
0.5 0.4 0.3 0.2 13 15 17 19 21 23 25 27 29 Pout(dBm) F=4.9 F=5.15 F=5.35 F=5.725 F=5.875
0.2 0.1 0 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 Vsupply(V) T=-40C T=25C T=85C
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 3
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
4.9 - 5.9 GHz Evaluation Board Data (VBIAS = 5.0V, Iq = 220mA)
802.11a EVM, OFDM, 54Mb/s, 64QAM
EVM vs Pout, T=25C
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) F=4.9 F=5.15 F=5.35 F=5.725 F=5.875 18 20 22 24
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10
EVM vs Pout, F=4.9GHz
EVM(%)
EVM(%)
12
14
16 Pout(dBm)
18
20
22
24
T=-40C
T=25C
T=85C
EVM vs Pout, F=5.15GHz
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) T=-40C T=25C T=85C 18 20 22 24
EVM vs Pout, F=5.35GHz
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) T=-40C T=25C T=85C 18 20 22 24
EVM(%)
EVM vs Pout, F=5.725GHz
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) T=-40C T=25C T=85C 18 20 22 24
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10
EVM(%)
EVM vs Pout, F=5.875GHz
EVM(%)
EVM(%)
12
14
16 Pout(dBm)
18
20
22
24
T=-40C
T=25C
T=85C
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 4
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
4.9 - 5.9 GHz Evaluation Board Data (VBIAS = 5.0V, Iq = 220mA)
IM3 vs Pout (2 tone avg), T=25C Tone Spacing=1MHz
-30 -32 -34 -36 -38 -40 -42 -44 -46 -48 -50 8 10 12 14 16 18 20 22 24 26 Pout(dBm)
2.6 2.4 2.2 2.0 Vdet(V) 1.8 1.6 1.4 1.2 1.0 0.8 12
RF Detector Output (Vdet) vs Pout F=4.9GHz
IM3(dBc)
14
16
18
20
22
24
26
28
30
Pout(dBm)
F=4.9
F=5.15
F=5.35
F=5.725
F=5.875
T=-40C
T=25C
T=85C
RF Detector Output (Vdet) vs Pout F=5.15GHz
2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 12 14 16 18 20 22 24 26 28 30 Pout(dBm) T=-40C T=25C T=85C
2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 12
RF Detector Output (Vdet) vs Pout F=5.35GHz
Vdet(V)
Vdet(V)
14
16
18
20
22
24
26
28
30
Pout(dBm) T=-40C T=25C T=85C
RF Detector Output (Vdet) vs Pout F=5.725GHz
2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 12 14 16 18 20 22 24 26 28 30 Pout(dBm) T=-40C T=25C T=85C
2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 12
RF Detector Output (Vdet) vs Pout F=5.875GHz
Vdet(V)
Vdet(V)
14
16
18
20
22
24
26
28
30
Pout(dBm) T=-40C T=25C T=85C
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 5
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
4.9 - 5.9 GHz Evaluation Board Data with Improved Linearity Bias (VBIAS = 5.0V, Iq = 270mA)
Note: Linearity improvements are primarily at backed off Pout levels. EVM data is 802.11a, OFDM, 54Mb/s, 64QAM
IM3 vs Pout (2 tone avg), T=25C Tone Spacing=1MHz
-20 -25 -30 IM3(dBc) -40 -45 -50 -55 -60 -65 -70 10 12 14 16 18 20 22 24 26 28 Pout(dBm) -35
EVM vs Pout, F=4.9GHz
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) 18 20 22 24
F=4.9
F=5.15
F=5.35
F=5.725
F=5.875
EVM(%)
T=-40C
T=25C
T=85C
EVM vs Pout, F=5.15GHz
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) T=-40C T=25C T=85C 18 20 22 24
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10
EVM vs Pout, F=5.35GHz
EVM(%)
EVM(%)
12
14
16 Pout(dBm)
18
20
22
24
T=-40C
T=25C
T=85C
EVM vs Pout, F=5.725GHz
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10 12 14 16 Pout(dBm) T=-40C T=25C T=85C 18 20 22 24
6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 8 10
EVM vs Pout, F=5.825GHz
EVM(%)
EVM(%)
12
14
16 Pout(dBm)
18
20
22
24
T=-40C
T=25C
T=85C
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 6
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
4.9 - 5.9 GHz Evaluation Board Schematic For V+ = Vcc = 5.0V
Notes: Pins 1,3,5,9,11,15 and 17 are unwired (N/C) inside the package. Refer to page 2 for detailed pin descriptions. Some of these pins are wired to adjacent pins or grounded as shown in the application circuit. This is to maintain consistency with the evaluation board layout shown below. It is recommended to use this layout and wiring to achieve the specified performance. To prevent potential damage, do not apply voltage to the Vpc pin that is +1V greater than voltage applied to pin 20 (Vbias/Vcc) unless Vpc supply current capability is less than 10 mA.
4.9 - 5.9 GHz Evaluation Board Layout For V+ = Vcc = 5.0V
- Board material GETEK, 10mil thick, Dk=3.9, 2 oz. copper finish
C1 C6 R7 C4 Q1 L1
SZA5044
C3 C2 C5
R1
303 South Technology Court Broomfield, CO 80021
R3 R2 R4 R5
R6
Phone: (800) SMI-MMIC 7
http://www.sirenza.com EDS-103585 Rev C
Preliminary SZA-5044 4.9-5.9 GHz Power Amp
Part Number Ordering Information
Part Number SZA-5044 Reel Size 13" Devices/Reel 3000
Part Symbolization
The part will be symbolized with an "SZA-5044" marking designator on the top surface of the package.
Package Outline Drawing (dimensions in mm):
SZA5044 LOT ID
Recommended Land Pattern (dimensions in mm[in]):
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 8
http://www.sirenza.com EDS-103585 Rev C

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