High Dynamic Range FET Mixer
HMJ9
The Communications Edge
™
Advanced Product Information
Product Features
•
+35 dBm IIP3
•
No External Matching Elements
•
•
•
•
•
•
Product Description
The HMJ9 is a high dynamic range, GaAs FET
mixer. As an upconverter, this active FET mixer
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.
Functional Diagram
22 21 2019 18171615 1413 12
Required
RF 860-900 MHz
LO 1140-1160 MHz
IF 250-280 MHz
+17 dBm Drive Level
+3V Bias (23 mA)
Low Cost Surface Mount J-Lead
Package
1 2 3 4 5 6 7 8 9 10 11
Function Pin No. Function Pin No.
Ground
1
Ground
12
IF
2
LO
13
Ground
3-9
Ground 14-20
+3V DC
10
RF
21
Ground
11
Ground
22
Specifications
Parameter
Frequency Range:
RF
LO
IF
SSB Conversion Loss
Noise Figure
Isolation:
LO-RF
LO-IF
IF-RF
IIP3
Return Loss:
RF Port
LO Port
IF Port
Input P1dB
LO Drive Level
DC Current at +3V Bias
Units
MHz
MHz
MHz
dB
dB
dB
dB
dB
dBm
dB
dB
dB
dBm
dBm
mA
Minimum
860
1140
250
8.5
11
18
40
32
20
50
25
35
10
9
15
23
17
23
Typical
Maximum
900
1160
280
9.3
Condition
RF = 900 MHz (0dBm)
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
Parameter
Operating Case Temperature
Storage Temperature
Maximum Input Power
Rating
-40 to +85°C
-65 to +100°C
25 dBm
Ordering Information
Part No.
HMJ9
HMJ9-PCB
Description
High Dynamic Range FET Mixer
(Available in tape and reel)
Fully Assembled Application Circuit
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
WJCI [ WJ COMMUNICATION. INC. ]
