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WJ Communications

WJZ2020 Datasheet Preview

WJZ2020 Datasheet

Low Cost Mixer

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WJZ2020
Broadband Surface Mount Mixer
Product Features
x +29 dBm Input IP3
x RF: 800 – 1000 MHz
x LO: 700 – 900 MHz
x IF: 20 – 100 MHz
x +17 dBm LO Drive Level
x No Internal Solder Connections
x Lead Free/RoHS-compliant
SMT package
x No External Bias Required
Applications
x Up/down frequency conversion
x Phase Detector
x Image Rejection
x Current Controlled Attenuator
Product Description
Functional Diagram
The WJZ2020 is a passive double-balanced diode-ring
mixer that provides high dynamic range performance in a
Lead Free/ RoHS-compliant surface mount package. The
mixer is nominally driven with a LO input power of +17
dBm to optimize its performance. Other WJZ models are
available for other LO drive levels.
Targeted applications include frequency up/down
conversion, modulation and demodulation for receivers and
transmitters used in 2.5G and 3G GSM/CDMA/W-CDMA
systems. The device can also be used in Radar, Satellite,
Test / Medical Instruments, Avionics communications and
Navigation markets.
12 3
LO 8
4 RF
76
IF
Top View
5
Specifications
Parameter
SSB Conversion Loss
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Port-to-Port Isolation
L-R
L-I
R-I
3rd Order Input Intercept Point
1dB Input Compression Point
VSWR
RF Port
LO Port
IF Port
LO Drive Level
Units Min
dB
dB
dB
dB
dBm
dBm
27
20
dBm
Typ
6.2
36
32
32
+29
+14
1.6:1
1.2:1
1.1:1
+17
Max Notes
7.7 See note 1. Guaranteed at 7.2 dB max at 25oC
IF = 100MHz
1. Measured in a 50-ohm system with a nominal LO drive of +17 dBm, low side LO, in a downconverter application with LO = 700-900 MHz, RF = 800-1000 MHz, IF = 100 MHz
Absolute Maximum Rating
Parameter
Operating Case Temperature
Storage Temperature
RF Input Power
Rating
-40 to +85 qC
-65 to +100 °C
+23 dBm
Operation of this device above any of these parameters may cause permanent damage.
Ordering Information
Part No.
WJZ2020
WJZ2020-PCB
Description
Broadband Surface Mount Mixer
Fully-Assembled Mixer Application Board
Standard T/R reel size = 500 pieces on a 13” reel.
Specifications and information are subject to change without notice
WJ Communications, Inc x Phone 1-800-WJ1-4401 x FAX: 408-577-6621 x e-mail: sales@wj.com x Web site: www.wj.com
Page 1 of 3 April 2007




WJ Communications

WJZ2020 Datasheet Preview

WJZ2020 Datasheet

Low Cost Mixer

No Preview Available !

WJZ2020
Broadband Surface Mount Mixer
Performance Charts
Input IP3 vs RF Frequency
IF = 100 MHz, LO = 17 dBm, +25 ÛC
40
Conversion Loss vs RF Frequency
IF = 100 MHz, LO = 17 dBm, +25 ÛC
8
35 7
30 6
25 5
20
700 750 800 850 900 950 1000
RF Frequency (MHz)
4
700 750 800 850 900 950 1000
RF Frequency (MHz)
1.5
1.4
1.3
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1.2
1.1
1.0
700
LO VSWR vs Frequency
750 800 850 900 950 1000
Frequency (MHz)
2.2
2.0
1.8
1.6
1.4
1.2
1.0
700
RF VSWR vs Frequency
IF = 100 MHz, +25oC
750 800 850 900 950 1000
RF Frequency (MHz)
Isolation vs LO Frequency
60 IF = 100 MHz, +25 ÛC
L-I
50 L-R
40
30
20
700
750 800 850 900 950 1000
LO Frequency (MHz)
Specifications and information are subject to change without notice
WJ Communications, Inc x Phone 1-800-WJ1-4401 x FAX: 408-577-6621 x e-mail: sales@wj.com x Web site: www.wj.com
Page 2 of 3 April 2007


Part Number WJZ2020
Description Low Cost Mixer
Maker WJ Communications
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