High Dynamic Range FET Mixer
HMJ8
Product Features
x
+37 dBm IIP3
x
No External Matching
Elements Required
Product Description
The HMJ8 is a high dynamic range GaAs FET mixer.
This active FET mixer realizes a typical third order
intercept point of +37 dBm at an LO drive level of +18
dBm. The HMJ8 comes in a low cost, 18-pin J-Lead
package. Typical applications include frequency up/down
conversion, modulation and demodulation for receivers
and transmitters used in communication systems.
Functional Diagram
x
RF 2200 - 2300 MHz
x
LO 2060 - 2160 MHz
x
IF 50 - 150 MHz
x
+18 dBm LO Drive Level
x
+3V Bias (22 mA)
x
Low Cost SMT J-Lead Package
Function
IF
LO
RF
+3V
Ground
Pin No.
2
11
17
8
All other pins
Specifications
(1)
Parameter
RF Frequency Range
LO Frequency Range
IF Frequency Range
SSB Conversion Loss
Noise Figure
LO-RF Isolation
LO-IF Isolation
RF-IF Isolation
Input IP3
RF Return Loss
LO Return Loss
IF Return Loss
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
Min
Typ
2200 – 2300
2060 – 2160
50 – 150
8.0
10.5
27
30
15
37
11
8.5
14
+23
+18
22
Max
Condition
9.0
22
20
32
35
1. Test conditions unless otherwise noted: 25 ºC, RF = 2250 MHz @ -10 dBm, LO = 2110 MHz @ +18 dBm, IF = 140 MHz
Absolute Maximum Rating
Parameters
Operating Case Temperature
Storage Temperature
Maximum Input Power
-40 to +85
qC
-65 to +100
qC
+25 dBm
Ordering Information
Part No.
HMJ8
HMJ8-PCB
Rating
Description
High Dynamic Range FET Mixer
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
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 May 2007
High Dynamic Range FET Mixer
HMJ8
Typical Performance Data
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 May 2007
High Dynamic Range FET Mixer
HMJ8
Outline Drawing
Product Marking
The component will be marked with an
“HMJ8” designator with a four-digit
alphanumeric lot number XXXX.
Tape and reel specifications for this part are
located on the website in the “Application
Notes” section.
HMJ8
US PAT. 5732345
mm
inch
ESD Information
ESD Rating:
Value:
Test:
Standard:
ESD Rating:
Value:
Test:
Standard:
Class 2
Passes at 2000 V
Human Body Model (HBM)
JEDEC Standard JESD22-A114
Class IV
Passes at 2000 V
Charged Device Model (CDM)
JEDEC Standard JESD22-C101
Mounting Config. Notes
1. Ground vias are critical for thermal and RF grounding
considerations.
2. A minimum of 28 ground vias are required for 14 mil FR4
boards.
3. If your PCB design rules allow, ground vias should be placed
under the land pattern for better RF performance. Otherwise
ground vias should be placed as close to the land pattern as
possible.
4. Trace width depends on the PCB material.
Land Pattern / Mounting Configuration
6.6
.260
11.94
.470
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 3 of 3 May 2007
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