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CV211-3
Product Features
* High dynamic range downconverter with integrated LO and IF amplifiers
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
Product Description
The CV211-3 is a dual-channel high-linearity downconverter designed to meet the demanding performance, functionality, and cost goals of current and next generation mobile infrastructure basestations. It provides high dynamic range performance in a low profile surface-mount leadless package that measures 6 x 6 mm square. It is ideally suited for high dynamic range receiver front ends using diversity receive channels. Functionality includes frequency conversion and IF amplification, while an integrated LO driver amplifier powers the passive mixer. The MCM is implemented with reliable and mature GaAs MESFET and InGaP HBT technology. Typical applications include frequency downconversion used in W-CDMA 2.5G and 3G mobile base transceiver stations.
Functional Diagram
AMP1 INPUT IF1 OUTPUT 23 GND MIXER IF1 GND 28 RF 1 1 INPUT GND 2 BIAS 3 GND 4 N/C 5 GND 6 RF 2 7 INPUT 27 GND 26 25 24
* * * * * * * * *
Dual channels for diversity +28 dBm Input IP3 +11.5 dBm Input P1dB RF: 1900 - 2200 MHz IF: 65 - 200 MHz Single supply operation (+5 V) Pb-free 6mm 28-pin QFN package Low-side LO configuration Common footprint with other PCS/UMTS/cellular versions
RF
IF IF Amp 1
GND 22 21 BIAS 20 GND 19 N/C 18 GND 17 LO 16 GND 15 N/C 14 GND
LO Driver Amp IF Amp 2 RF
8 GND 9 MIXER IF2
IF
10 GND 11 AMP2 INPUT 12 GND 13 IF2 OUTPUT
Top View
Specifications (1)
Parameters
RF Frequency Range LO Frequency Range IF Frequency Range % Bandwidth around IF center frequency IF Test Frequency SSB Conversion Gain Gain Drift over Temp (-40 C to 85 C) Input IP3 Input IP2 Input 1 dB Compression Point Noise Figure LO Input Drive Level LO-RF Isolation LO-IF Isolation Branch-Branch Isolation Return Loss: RF Port Return Loss: LO Port Return Loss: IF Port Operating Supply Voltage Supply Current Thermal Resistance Junction Temperature
Units
MHz MHz MHz % MHz dB dB dBm dBm dBm dB dBm dB dB dB dB dB dB V mA C / W C
Min
Typ
1900 - 2200 1700 - 2135 65 - 200 7.5 75 9.5 0.3 +28 +35 +11.5 11.5 0 9 24 42 15 18 17 +5 380
Max
Comments
See note 2 See note 3 12 +1.5 Temp = 25 C Referenced to +25 C See note 4 See note 4 See note 4 See note 5 PLO = 0 dBm PLO = 0 dBm
8 -1.5 +25 +33
-2.5
+2.5
320
475 27 160
See note 6
1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm and IF = 75 MHz in a downconverting application at 25 C. 2. IF matching components affect the center IF frequency. Proper component values for other IF center frequencies than shown can be provided by emailing to applications.engineering@wj.com. 3. The IF bandwidth of the converter is defined as 15% around any center frequency in its operating IF frequency range. The bandwidth is determined with external components. Specifications are valid around the total 7.5% bandwidth. ie. with a center frequency of 80 MHz, the specifications are valid from 80 6 MHz. 4. Assumes the supply voltage = +5 V. IIP3 is measured with f = 1 MHz with RFin = -5 dBm / tone. 5. Assumes LO injection noise is filtered at the thermal noise floor, -174 dBm/Hz, at the RF, IF, and Image frequencies. 6. The maximum junction temperature ensures a minimum MTTF rating of 1 million hours of usage.
Absolute Maximum Rating
Parameter
Operating Case Temperature Storage Temperature DC Voltage Junction Temperature
Ordering Information
Part No.
CV211-3 CV211-3F CV211-3PCB75
Rating
-40 to +85 C -55 to +150 C +5.5 V +220 C
Description
UMTS-band Dual-Branch Downconverter
(leaded QFN Pkg)
UMTS-band Dual-Branch Downconverter
(lead-free/RoHS-compliant QFN Pkg)
Fully-Assembled Application Board, IF = 75MHz
Specifications and information are subject to change without notice
Operation of this device above any of these parameters may cause permanent damage.
WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com
Page 1 of 7 February 2005
CV211-3
AMP1 INPUT IF1 OUTPUT GND MIXER IF1 GND 28 RF 1 1 INPUT GND 2 BIAS 3 GND 4 N/C 5 GND 6 RF 2 7 INPUT 27 GND 26 25 24 23 GND 22 21 BIAS
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
Device Architecture / Application Circuit Information
IF IF Amp 1
Typical Downconverter Performance Chain Analysis (Each Branch)
20 GND 19 N/C 18 GND
RF
Stage LO Amp / MMIC Mixer IF Amplifier CV211-3
Gain (dB) -9 19
Input P1dB (dBm)
Input IP3 (dBm)
NF (dB)
Current (mA) 80 150 380*
Gain (dB)
LO Driver Amp IF Amp 2 RF
8 GND 9 MIXER IF2
17 LO 16 GND 15 N/C
11 30 9.3 2 22 1.8 Cumulative Performance
Cumulative Performance Input Input NF P1dB IP3 (dB) (dBm) (dBm) -9 11 30 9.3 10 8 27.5 11 10 +8 +27.5 11
IF
10 GND 11 AMP2 INPUT 12 GND 13 IF2 OUTPUT 14 GND
* The 2nd branch includes another mixer and IF amplifier, which increases the total current consumption of the MCM to be 380 mA.
Printed Circuit Board Material: .014" FR-4, 4 layers, .062" total thickness
CV211-3: The application circuit can be broken up into three main functions as denoted in the colored dotted areas above: RF/IF diplexing (blue), IF amplifier matching (green), and dc biasing (purple). There are various placeholders for chip components in the circuit schematic so that a common PCB can be used for all WJ dual-branch converters. Further details are given in the Application Note located on the website titled "CV2xx Series - PWB Design Guidelines". External Diplexer: This is only used with the cellular-band CV products. The mixer performs the diplexing internally for the CV211-3; therefore the components shown in the diplexer section should be not be loaded except for L3, L10, L7, and L11, which should contain a 0 jumper.
IF Amplifier Matching: The IF amplifier requires matching elements to optimize the performance of the amplifier to the desired IF center frequency. Since IF bandwidths are typically on the order of 5 to 10%, a simple two element matching network, in the form of either a high-pass or low-pass filter structure, is sufficient to match the MMIC IF amplifier over these narrow bandwidths. Proper component values for other IF center frequencies can be provided by emailing to applications.engineering@wj.com. DC biasing: DC bias must be provided for the LO and IF amplifiers in the converter. R1 sets the operating current for the last stage of the LO amplifier and is chosen to optimize the mixer LO drive level. Proper RF chokes and bypass capacitors are chosen for proper amplifier biasing at the intended frequency of operation. The "+5 V" dc bias should be supplied directly from a voltage regulator.
Specifications and information are subject to change without notice
WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com
Page 2 of 7 February 2005
CV211-3
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
Application Circuit: IF = 75 MHz (CV211-3PCB75)
Bill of Materials
Ref. Desig. R1 R2, R3, R4, L3, L7 L10, L11 R6, R7 C1, C5, C10, C15 C4, C11 C6, C12, C14 C7, C13 L1 L4, L8 L5, L9 C2, C3, C8, C9, C16 C17, C19, C20, C21 C22, L2, L6 U1 Component 13 chip resistor 0 chip resistor 3.3 chip resistor 1000 pF chip capacitor 22 pF chip capacitor .01 F chip capacitor 100 pF chip capacitor 120 nH chip inductor 150 nH chip inductor 220 nH chip inductor Do Not Place CV211-3 WJ Converter QFN Size 0805 0603 0603 0603 0603 0603 0603 0603 0603 0805
PCB Layout
Circuit Board Material: .014" FR-4, 4 layers, .062" total thickness
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 3 of 7 February 2005
CV211-3
Conversion Gain vs IF Frequency
LO = 0 dBm, LO = 1875 MHz, low-side LO
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
CV211-3PCB75 Application Circuit Performance Plots
Input IP3 vs IF Frequency
LO = 0 dBm, LO = 1875 MHz, low-side LO
Input IP2 vs IF Frequency
LO = 0 dBm, LO = 1875 MHz, low-side LO
Conversion Gain (dB)
11 Input IP3 (dBm) 10 9 8 7 6 65
-40 C +25 C +85 C
32 30 28 26 24 22 85 65
-40 C +25 C +85 C
40 Input IP2 (dBm) 38 36 34 32 30 85 65
-40 C +25 C +85 C
70
75 IF Frequency (MHz)
80
70
75 IF Frequency (MHz)
80
70
75 IF Frequency (MHz)
80
85
Conversion Gain vs RF Frequency
25 C, IF = 75 MHz, low-side LO
Input IP3 vs RF Frequency
25 C, IF = 75 MHz, low-side LO
Input IP2 vs RF Frequency
25 C, IF = 75 MHz, low-side LO
Conversion Gain (dB)
11 Input IP3 (dBm) 10 9 8 7 6 1900 1950 2000 2050
LO = -2.5 dBm LO = 0 dBm LO = 2.5 dBm
32 30 28 26 24 22 1900 1950 2000 2050
LO = -2.5 dBm LO = 0 dBm LO = 2.5 dBm
40 Input IP2 (dBm) 38 36 34 32 30 1900 1950 2000 2050
LO = -2.5 dBm LO = 0 dBm LO = 2.5 dBm
2100
2150
2200
2100
2150
2200
2100
2150
2200
RF Frequency (MHz)
Conversion Gain vs RF Frequency
LO = 0 dBm, IF = 75 MHz, low-side LO
RF Frequency (MHz)
Input IP3 vs RF Frequency
LO = 0 dBm, IF = 75 MHz, low-side LO
RF Frequency (MHz)
Input IP2 vs RF Frequency
LO = 0 dBm, IF = 75 MHz, low-side LO
Conversion Gain (dB)
11 Input IP3 (dBm) 10 9 8 7 6 1900
-40 C +25 C +85 C
32 30 28 26 24 22 2200 1900
-40 C +25 C +85 C
40 Input IP2 (dBm) 38 36 34 32 30 2200 1900
-40 C +25 C +85 C
1950
2000
2050
2100
2150
1950
2000
2050
2100
2150
1950
2000
2050
2100
2150
2200
RF Frequency (MHz)
Conversion Gain vs RF Frequency
25 C, LO = 0 dBm, IF = 75 MHz, low-side LO
RF Frequency (MHz)
Input IP3 vs RF Frequency
25 C, LO = 0 dBm, IF = 75 MHz, low-side LO
RF Frequency (MHz)
Input IP2 vs RF Frequency
25 C, LO = 0 dBm, IF = 75 MHz, low-side LO
11 Conversion Gain (dB) Input IP3 (dBm) 10 9 8 7 6 1900 1950 2000 2050 2100
32 30 28 26 24 22 1900 1950 2000 2050 2100 Input IP2 (dBm)
40 38 36 34 32 30 1900 1950 2000 2050 2100
Vdd = 4.9 V Vdd = 5.0 V Vdd = 5.1 V
2150 2200
Vdd = 4.9 V Vdd = 5.0 V Vdd = 5.1 V
2150 2200
Vdd = 4.9 V Vdd = 5.0 V Vdd = 5.1 V
2150 2200
RF Frequency (MHz)
RF Frequency (MHz)
RF Frequency (MHz)
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 4 of 7 February 2005
CV211-3
L-R Isolation vs LO Frequency
Referenced with LO = 0 dBm
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
CV211-3PCB75 Application Circuit Performance Plots (cont'd)
L-I Isolation vs LO Frequency
Referenced with LO = 0 dBm
Branch-Branch Isolation vs RF Frequency
25 C
25 L-R Isolation (dB) 20 15 10 5 0 1600
-40 C +25 C +85 C
30 L-I Isolation (dB) Isolation (dB)
-40 C +25 C +85 C
50 40 30 20 10 0 2200 1900 1950 2000 2050 2100 2150 2200
25 20 15 10 5
1700
1800
1900
2000
2100
2200
1600
1700
1800
1900
2000
2100
LO Frequency (MHz)
IF Return Loss vs RF Frequency
25 C
LO Frequency (MHz)
RF Return Loss vs RF Frequency
25 C
RF Frequency (MHz)
LO Return Loss vs LO Frequency
25 C
0 Return Loss (dB) Return Loss (dB) 5 10 15 20 25 30 65 70 75 IF Frequency (MHz) 80 85
0 5 10 15 20 25 30 1900 1950 2000 2050 2100 2150 2200 Return Loss (dB)
0 10 20 30 40 1600 1700 1800 1900 2000 2100 2200
RF Frequency (MHz)
Noise Figure vs Temperature Input P1dB vs Temperature
RF = 1950 MHz, IF = 75 MHz, LO = 0 dBm @1875 MHz
LO Frequency (MHz)
RF = 1950 MHz, IF = 75 MHz, LO = 0 dBm @1875 MHz
14 12 10 8 6 4 -40 -20 0 20 40 60 80 Input P1dB (dBm) Noise Figure (dB)
14 12 10 8 6 4 -40 -20 0 20 40 60 80
Temperature (C)
Temperature (C)
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 5 of 7 February 2005
CV211-3
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
CV211-3 Mechanical Information
This package may contain lead-bearing materials. The plating material on the pins is PbSn.
Outline Drawing
Product Marking
The component will be lasermarked with a "CV211-3" product label with an alphanumeric lot code on the top surface of the package. Tape and reel specifications for this part will be located on the website in the "Application Notes" section.
ESD / MSL Information
ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard: Class 1B Passes 500V to <1000V Human Body Model (HBM) JEDEC Standard JESD22-A114 Class III Passes 500V to <1000V Charged Device Model (CDM) JEDEC Standard JESD22-C101
MSL Rating: Level 1 at +250C convection reflow Standard: JEDEC Standard J-STD-020
Functional Pin Layout Mounting Configuration / Land Pattern
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FUNCTION Channel 1 Mixer RF Input GND LO Amp Bias GND No Connect GND Channel 2 Mixer / RF Input GND Channel 2 Mixer / IF Output GND Channel 2 IF Amp Input GND Channel 2 IF Amp Output / Bias GND Pin 15 16 17 18 19 20 21 22 23 24 25 26 27 28 FUNCTION No Connect GND LO input GND No Connect GND +5 V GND Channel 1 IF Amp Output / Bias GND Channel 1 IF Amp Input GND Channel 1 Mixer IF Output GND
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 6 of 7 February 2005
CV211-3
The Communications Edge TM Product Information
UMTS-band Dual-Branch Downconverter
CV211-3F Mechanical Information
This package is lead-free/RoHS-compliant. It is compatible with both lead-free (maximum 260C reflow temperature) and leaded (maximum 245C reflow temperature) soldering processes. The plating material on the pins is annealed matte tin over copper.
Outline Drawing
Product Marking
The component will be lasermarked with a "CV211F-3" product label with an alphanumeric lot code on the top surface of the package. Tape and reel specifications for this part will be located on the website in the "Application Notes" section.
ESD / MSL Information
ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard: Class 1B Passes 500V to <1000V Human Body Model (HBM) JEDEC Standard JESD22-A114 Class III Passes 500V to <1000V Charged Device Model (CDM) JEDEC Standard JESD22-C101
MSL Rating: Level 2 at +260C convection reflow Standard: JEDEC Standard J-STD-020
Functional Pin Layout Mounting Configuration / Land Pattern
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FUNCTION Channel 1 Mixer RF Input GND LO Amp Bias GND No Connect GND Channel 2 Mixer / RF Input GND Channel 2 Mixer / IF Output GND Channel 2 IF Amp Input GND Channel 2 IF Amp Output / Bias GND Pin 15 16 17 18 19 20 21 22 23 24 25 26 27 28 FUNCTION No Connect GND LO input GND No Connect GND +5 V GND Channel 1 IF Amp Output / Bias GND Channel 1 IF Amp Input GND Channel 1 Mixer IF Output GND
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com Page 7 of 7 February 2005

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