The Communications Edge TM
CV111-1
PCS/DCS-band High Linearity Downconverter
Product Information
Product Features
Product Description
Functional Diagram
• High dynamic range downconverter
with integrated LO, IF, & RF amps
The CV111-1 is a high linearity downconverter designed
to meet the demanding issues for 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: 1710 – 2000 MHz
RF OUT
GND
N/C
1
2
3
4
5
6
7
IF
21 IF OUT
IF Amp
GND
20
• IF:
65 – 250 MHz
RF Amp
N/C
19
18
17
• +38 dBm Output IP3
GND
N/C
GND
BIAS
GND
LO IN
• +21 dBm Output P1dB
• 5.3 dB Noise Figure
LO Driver Amp
Functionality includes RF amplification, 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.
GND
MIXRF
16
15
RF
• Single supply operation (+5 V)
• 6x6 mm 28-pin QFN package
• Low-side LO configuration
LO
8
9
12
13
14
10
11
Typical applications include frequency down conversion,
modulation and demodulation for receivers used in
CDMA/GSM/TDMA, CDMA2000, W-CDMA, GPRS,
and EDGE 2.5G mobile infrastructure technologies for
PCS / DCS frequency bands.
• Common footprint with other
PCS/UMTS/cellular versions
Specifications1
Parameters
Units Minimum Typical Maximum 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)
Output IP3
Output IP2
Output 1dB Compression Point
Noise Figure
MHz
MHz
MHz
%
1710
1460
65
2000
1935
250
240
±7.5
21
See note 2
See note 2
Temp = 25° C
dB
dB
±1.5
+38
+48
+21
5.3
0
Referenced to +25° C
See note 3
See note 3
dBm
dBm
dBm
dB
See note 4
LO Input Drive Level
LO-RF Isolation
LO-IF Isolation
dBm
dB
dB
-2.5
+2.5
45
35
PLO = 0 dBm
PLO = 0 dBm
Return Loss: RF Port
Return Loss: LO Port
Return Loss: IF Port
Operating Supply Voltage
Supply Current
dB
dB
dB
V
14
14
11
+5
+4.9
290
+5.1
480
72.1
160
mA
360
failures
FIT Rating
Junction Temperature
@ 70o C ambient, 90% confidence
See note 5
/
1E9 hrs
°C
1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm in a downconverting application over the operating case temperature range.
2. 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.
3. Assumes the supply voltage = +5 V. OIP3 is measured with ∆f = 1 MHz with IFout = 5 dBm / tone.
4. Assumes LO injection noise is filtered at the thermal noise floor, -174 dBm/Hz, at the RF, IF, and Image frequencies.
5. 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
+6 V
+220 °C
+2 dBm
Part No.
Description
Operating Case Temperature
Storage Temperature
DC Voltage
CV111-1
PCS/DCS-band High Linearity Downconverter
Fully-Assembled Application Board,
RF = 1850 – 1910 MHz, IF = 240 MHz
Fully-Assembled Application Board,
RF = 1930 – 1990 MHz, IF = 240 MHz
CV111-1PCB240RX
CV111-1PCB240TX
Junction Temperature
RF Input (continuous)
Operation of this device above any of these parameters may cause permanent damage.
This document contains information on a new product.
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
July 2003
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