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Número de pieza | CV211-2A | |
Descripción | UMTS-band Dual-Branch Downconverter | |
Fabricantes | WJ Communication | |
Logotipo | ||
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CV211-2A
UMTS-band Dual-Branch Downconverter
The Communications Edge TM
Product Information
Product Features
• High dynamic range downconverter
with integrated LO and IF amplifiers
• Dual channels for diversity
• +30 dBm Input IP3
• +12.5 dBm Input P1dB
• RF: 1900 – 2200 MHz
• IF: 65 – 300 MHz
• +5V Single supply operation
• Pb-free 6mm 28-pin QFN package
• Low-side LO configuration
• Common footprint with other
PCS/cellular versions
Specifications (1)
Product Description
The CV211-2A is a dual-channel high-linearity down-
converter 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
RF 1
INPUT
1
GND 2
28 27 26
IF
RF
BIAS 3
GND 4
GND 5
GND 6
RF 2 7
INPUT RF
8
IF
9 10
25 24 23 22
IF Amp 1
LO Driver Amp
IF Amp 2
11 12 13 14
21 BIAS
20 GND
19 GND
18 GND
17 LO
16 GND
15 GND
Top View
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 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
8
-1.5
+25
+33
-2.5
320
Typ
1900 – 2200
1600 – 2135
65 – 300
±7.5
240
10
±0.6
+30
+37
+12.5
11
0
12
26
44
15
18
14
+5
380
Max Comments
See note 2
See note 3
12 Temp = 25 °C
+1.5 Referenced to +25 °C
See note 4
See note 4
See note 4
See note 5
+2.5
PLO = 0 dBm
PLO = 0 dBm
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 = 240 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 [email protected].
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 Δf = 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
Ordering Information
Parameter
Operating Case Temperature
Storage Temperature
DC Voltage
Junction Temperature
Rating
-40 to +85 °C
-55 to +150 °C
+5.5 V
+220 °C
Part No.
CV211-2AF
CV211-2APCB75
CV211-2APCB240
Description
UMTS-band Dual-Branch Downconverter
(lead-free/RoHS-compliant 6x6mm QFN package)
Fully Assembled Eval. Board, IF = 75MHz
Fully Assembled Eval. Board, IF = 240MHz
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: [email protected] • Web site: www.wj.com
Page 1 of 9 March 2006
1 page CV211-2A
UMTS-band Dual-Branch Downconverter
The Communications Edge TM
Product Information
CV211-2APCB75 Application Circuit Performance Plots (cont’d)
L-RIsolationvs LOFrequency
ReferencedwithLO=0 dBm
25
L-I Isolationvs LOFrequency
ReferencedwithLO=0 dBm
30
Branch-BranchIsolationvs RFFrequency
25° C
50
20 25 40
15 20 30
10 15 20
5
0
1600
-40° C
1700 1800
+25° C
1900 2000
+85° C
2100 2200
LOFrequency (MHz)
10
5
1600
-40° C
1700 1800
+25° C
1900 2000
+85° C
2100 2200
LOFrequency (MHz)
10
0
1900 1950 2000 2050 2100 2150 2200
RFFrequency (MHz)
0
5
10
15
20
25
30
65
IFReturnLoss vs RFFrequency
25° C
70 75 80
IF Frequency (MHz)
RFReturnLossvs RFFrequency
25° C
0
LOReturnLossvs LOFrequency
25° C
0
5
10
10
15 20
20
30
25
30 40
85 1900 1950 2000 2050 2100 2150 2200 1600 1700 1800 1900 2000 2100 2200
RFFrequency (MHz)
LOFrequency (MHz)
Noise Figure vs Temperature
RF=1950MHz, IF=75 MHz, LO=0dBm@1875 MHz
14
Input P1dBvs Temperature
RF=1950MHz, IF=75 MHz, LO=0dBm@1875 MHz
14
12 12
10 10
88
66
4
-40 -20 0 20 40 60 80
Temperature (°C)
4
-40 -20 0 20 40 60 80
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: [email protected] • Web site: www.wj.com
Page 5 of 9 March 2006
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet CV211-2A.PDF ] |
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