Termination Insensitive Mixer
Rev. V5
CSM4T17
1
1
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1
Features
LO 1 to 3400 MHz
RF 1 to 3400 MHz
IF 1 to 2000 MHz
LO Drive +17 dBm (nominal)
High Intercept +25 dBm (typ)
+260° Reflow Compatible
Description
The CSM4T17 is a termination insensitive mixer, designed for use
in military, wireless, and test equipment applications. The design
utilizes Schottky bridge quad diodes, broadband ferrite baluns and
internal loads to provide excellent performance without degrada-
tion due to external VSWR mismatches.
Ordering Information
Part Number Package
CSM4T17 Surface Mount
Product Image
Electrical Specifications: Z
0
= 50
Lo = +17 dBm (Downconverter application only)
Parameter Test Conditions Units
Typical Guaranteed
+25ºC -40º to +85ºC
SSB Conversion
Loss(max)
fR = 1 to 2400 MHz, fL = 1 to 2400 MHz, fI = 1 to 2000 MHz
fR = 1 to 3400 MHz , fL = 1 to 3400 MHz , fI = 1 to 2000 MHz
dB
8.0 dB
9.0 dB
9.0
10.0
10.5
11.5
SSB Noise Figure dB Within 1 dB of conversion loss
L - R Isolation
(min)
fL = 1 to 2400 MHz
fL = 2400 to 3400 MHz
dB
35
25
25
20
23
18
L - I Isolation (min)
fL = 1 to 2400 MHz
fL = 2400 to 3400 MHz
dB
35
25
25
20
23
18
R - I Isolation (min) fR = 1 to 3400 MHz dB 30
1 dB Conversion
Comp.
fL= +17 dBm dBm +14
Input IP3 fR1 = 100 to 3400 MHz, fR2 = 100 to 3400 MHz, fL = 50 to 2000 MHz dBm +25
R-Port VSWR fR = 1 to 3400 MHz 2.0:1
L-Port VSWR fL = 1 to 3400 MHz 2.0:1
I-Port VSWR fI = 1 to 2000 MHz 2.0:1
