MC4120
Open Carrier Double-Balanced Mixer
For Microwave Telecommunications
Rev. V2
Features
Product Image
LO & RF: 2.0 TO 10.0 GHz
IF: DC TO 2.0 GHz
LO DRIVE: +20 dBm (NOMINAL)
MICROSTRIP INTERFACE
Description
The MC4120 is a double balanced mixer, designed for use in
military, commercial and test equipment applications. The design
utilizes Schottky ring quad diodes and broadband soft dielectric
and ferrite baluns to attain excellent performance. This mixer can
also be used as a phase detector and/or bi-phase modulator since
the IF port is DC coupled to the diodes. The use of high
temperature solder and welded assembly processes used
internally makes it ideal for use in manual, semi-automated
assembly. Environmental screening available to MIL-STD-883,
MIL-STD-202, or MIL-DTL-28837, consult factory.
Ordering Information
Part Number
MC4120
Package
Open Carrier
Open Carrier
MC4120-2
Electrical Specifications: Z0 = 50 Lo = +20 dBm (Downconverter application only)
Typical
Guaranteed
Parameter
Test Conditions
Units
+25ºC
-54º to +85ºC
SSB Conversion Loss
(max) & SSB Noise
Figure (max)
fR = 4 to 8 GHz, fL = 4 to 8 GHz, fI = 0 to 1 GHz
fR = 3 to 9 GHz, fL = 3 to 9 GHz, fI = 0 to 1.5 GHz
fR = 2 to 10 GHz, fL = 2 to 10 GHz, fI = 0 to 2 GHz
dB
dB
dB
5.8
6.7
7.3
6.5
7.5
8.0
7.0
8.0
8.5
fR = 4 to 8 GHz
fR = 3 to 9 GHz
fR = 2 to 10 GHz
dB
dB
dB
35
25
25
28
18
18
25
16
16
Isolation, L to R (min)
Isolation, L to I (min)
fR = 4 to 8 GHz
fR = 3 to 9 GHz
fR = 2 to 10 GHz
dB
dB
dB
28
25
20
20
15
12
18
13
10
Isolation, R to I (min)
fL = 2 to 10 GHz
fL = +20 dBm
dB
30
1 dB Conversion Comp.
dBm
+12
fR1 = 3.9 GHz at –5 dBm, fR2 = 3.92 at –5 dBm,
fL = 4.2 GHz at +20 dBm
fR1 = 7.4 GHz at –5 dBm, fR2 = 7.42 at –5 dBm,
fL = 6.4 GHz at +20 dBm
dBm
dBm
+20
+21
Input IP3
1
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