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CV210-2A 반도체 회로 부품 판매점

Cellular-band Dual-Branch Downconverter



WJ Communication 로고
WJ Communication
CV210-2A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
CV210-2A
Cellular-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
+29.5 dBm Input IP3
+12 dBm Input P1dB
RF: 800 – 960 MHz
IF: 200 – 250 MHz
+5V Single supply operation
Pb-free 6mm 28-pin QFN package
Low-side LO configuration
Common footprint with other
PCS/UMTS/cellular versions
Specifications (1)
Product Description
Functional Diagram
The CV210-2A 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
N/C 1
28 27 26 25 24 23 22
RF/IF
21 BIAS
dynamic range performance in a low profile lead- GND 2
IF Amp 1
20 GND
free/RoHS-compliant surface-mount leadless package that BIAS 3
measures 6x6 mm square.
GND 4
19 N/C
18 GND
It is ideally suited for high dynamic range receiver front N/C 5
LPF LO Driver Amp 17 LO
ends using diversity receive channels. Functionality GND 6
includes frequency conversion and IF amplification,
IF Amp 2
16 GND
while an integrated LO driver amplifier powers the N/C 7
RF/IF
15 N/C
passive mixer. The MCM is implemented with reliable
and mature GaAs MESFET and InGaP HBT technology.
8 9 10 11 12 13 14
Typical applications include frequency downconversion
used in CDMA/GSM/TDMA, CDMA2000, W-CDMA,
and EDGE 2.5G and 3G mobile base transceiver stations.
Top View
Parameters
RF Frequency Range
LO Frequency Range
IF Center 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
800 – 960
550 – 760
200 – 250
±7.5
240
10
±0.3
+29.5
+39
+12
10.2
0
18
32
45
20
20
12
+5
360
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
Parameter
Operating Case Temperature
Storage Temperature
DC Voltage
Junction Temperature
Rating
-40 to +85 °C
-55 to +150 °C
+5.5 V
+220 °C
Ordering Information
Part No.
CV210-2AF
CV210-2APCB240
Description
Cellular-band Dual-Branch Downconverter
(lead-free/RoHS-compliant 6x6mm QFN package)
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 6 March 2006


CV210-2A 데이터시트, 핀배열, 회로
CV210-2A
Cellular-band Dual-Branch Downconverter
The Communications Edge TM
Product Information
Device Architecture / Application Circuit Information
N/C 1
GND 2
BIAS 3
GND 4
N/C 5
GND 6
N/C 7
28 27 26 25 24 23 22
RF/IF
21 BIAS
IF Amp 1
20 GND
19 N/C
18 GND
LPF LO Driver Amp 17 LO
IF Amp 2
16 GND
RF/IF
15 N/C
8 9 10 11 12 13 14
Typical Downconverter Performance Chain Analysis (Each Branch)
Stage
Gain
(dB)
Input
P1dB
(dBm)
Input
IP3
(dBm)
Cumulative Performance
NF
(dB)
Current
(mA)
Gain
(dB)
Input
P1dB
(dBm)
Input
IP3
(dBm)
NF
(dB)
LO Amp / MMIC Mixer -9
11
30 9.3 85 -9 11
30 9.3
IF Amplifier
19 2
22 1.8 150 10 8 27.5 11
CV210-2A
Cumulative Performance
385*
10
+8
+27.5 11
* The 2nd branch includes another mixer and IF amplifier, which increases the total current consumption
of the MCM to be 385 mA.
Printed Circuit Board Material:
.014” FR-4, 4 layers, .062” total thickness
CV210-2A: 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: In a downconversion application, the incoming RF
signal impinges on the switching elements of the mixer; the interaction
with these switches produces a signal at the IF frequency. The two
signals (RF and IF) are directed to the appropriate ports by the external
diplexer. A six-element diplexer is used in the circuit implementation.
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 [email protected].
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: [email protected] Web site: www.wj..com
Page 2 of 6 March 2006




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CV210-2A converter

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Cellular-band Dual-Branch Downconverter - WJ Communication