The Communications Edge™
HMJ9
Advanced Product Information
High Dynamic Range FET Mixer
Product Features
Product Description
Functional Diagram
22 21 2019 18171615 1413 12
+35 dBm IIP3
The HMJ9 is a high dynamic range, GaAs FET
mixer. As an upconverter, this active FET mixer
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No External Matching Elements
Required
realizes a typical third order intercept point of
+35 dBm at an LO drive level of +17 dBm. The
HMJ9 comes in a low cost, J-lead package.
Typical applications include frequency up/down
conversion for receivers and transmitters used
in cellular communications systems.
RF 860-900 MHz
LO 1140-1160 MHz
IF 250-280 MHz
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+17 dBm Drive Level
+3V Bias (23 mA)
1 2 3 4 5 6 7 8 9 10 11
Low Cost Surface Mount J-Lead
Package
Function Pin No. Function Pin No.
Ground
IF
1
2
Ground
LO
12
13
Ground
+3V DC
Ground
3-9
10
11
Ground 14-20
RF
21
22
Ground
Specifications
Parameter
Units
Minimum
Typical
Maximum
Condition
Frequency Range:
RF
LO
IF
MHz
MHz
MHz
860
1140
250
900
1160
280
SSB Conversion Loss
Noise Figure
dB
dB
8.5
11
9.3
Isolation:
LO-RF
LO-IF
dB
dB
dB
18
40
20
50
25
IF-RF
IIP3
dBm
32
35
RF = 900 MHz (0dBm)
Return Loss:
RF Port
LO Port
IF Port
dB
dB
dB
10
9
15
Input P1dB
dBm
dBm
mA
23
17
23
LO Drive Level
DC Current at +3V Bias
35
Test conditions unless otherwise stated: RF = 900 MHz (-10 dBm), LO = 830 MHz (17 dBm), IF = 70 MHz and 25˚C.
Absolute Maximum Ratings
Ordering Information
Parameter
Rating
Part No.
Description
Operating Case Temperature
Storage Temperature
-40 to +85°C
-65 to +100°C
25 dBm
HMJ9
High Dynamic Range FET Mixer
(Available in tape and reel)
HMJ9-PCB
Fully Assembled Application Circuit
Maximum Input Power
1. Operation of this device above any of these parameters may cause permanent damage.
2. Total sum of LO port and RF port power should not exceed 25 dBm.
WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: 408-433-5649 • e-mail: sales@wj.com • Web site: www.wj.com
December 2000