The Communications Edge TM
CV210-2
Cellular-band Dual-Branch Downconverter
Product Information
Product Features
Product Description
Functional Diagram
• High dynamic range downconverter
with integrated LO and IF amplifiers
The CV210-2 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.
28
27
24
23
22
26
25
RF/IF
N/C
GND
BIAS
GND
N/C
1
2
3
4
5
6
7
BIAS
GND
N/C
21
20
19
18
17
16
15
• Dual channels for diversity
• +29.5 dBm Input IP3
IF Amp 1
• +12 dBm Input P1dB
GND
LO
• RF: 800 – 925 MHz
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.
LPF LO Driver Amp
IF Amp 2
• IF: 200 – 250 MHz
GND
N/C
GND
N/C
• Single supply operation (+5 V)
• 6x6 mm 28-pin QFN package
• Low-side LO configuration
RF/IF
10
8
9
12
13
14
11
Typical applications include frequency downconversion
used in CDMA/GSM/TDMA, CDMA2000, and EDGE
2.5G and 3G mobile base transceiver stations.
• Common footprint with other
PCS/UMTS/cellular versions
Top View
Specifications1
Parameters
Units
MHz
MHz
MHz
%
Min
800
550
Typ
Max
925
725
Comments
RF Frequency Range
LO Frequency Range
IF Center Frequency Range
% Bandwidth around IF center frequency
SSB Conversion Gain
Gain Drift over Temp (-40° C to 85° C)
Input IP3
Input IP2
Input 1 dB Compression Point
Noise Figure
200
240
±7.5
10
±0.3
+29.5
+39
+12
10.2
0
250
See note 2
See note 3
Temp = 25° C
Referenced to +25° C
See note 4
See note 4
See note 4
See note 5
dB
dB
8
12
1.5
-1.5
+25
+33
dBm
dBm
dBm
dB
dBm
dB
LO Input Drive Level
LO-RF Isolation
LO-IF Isolation
-2.5
+2.5
18
32
PLO = 0 dBm
PLO = 0 dBm
dB
Branch-Branch Isolation
Return Loss: RF Port
Return Loss: LO Port
Return Loss: IF Port
Operating Supply Voltage
Supply Current
dB
dB
dB
dB
45
20
20
12
+5
360
V
mA
°C / W
°C
320
475
27
160
Thermal Resistance
Junction Temperature
See note 6
1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm 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 240 MHz, the specifications are valid from 240 ± 18 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 MTBF rating of 1 million hours of usage.
Absolute Maximum Rating
Ordering Information
Parameters
Rating
-40° to +85° C
-55° to +125° C
+5.5 V
Part No.
Description
Operating Case Temperature
Storage Temperature
DC Voltage
CV210-2
Cellular-band Dual-Branch Downconverter
CV210-2PCB240 Fully-Assembled Application Board, IF = 240 MHz
Junction Temperature
+220 °C
Operation of this device above any of these parameters may cause permanent damage.
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
November 2003
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