MD-179
MD-179 is Termination Insensitive Mixer manufactured by MACOM Technology Solutions.
Features n Intermodulation Ratio is Insensitive to Port Mismatches n VSWR: <2.0:1 Typical Midband n Isolation: 35 d B Typical Midband n Impedance: 50 Ohms Nominal n Maximum Input Power: 350 m W Max @ 25°C, Derated to 85°C @ 3.2 m W/°C n LO Power: +24 d Bm Max. n MIL-STD-883 Screening Available
Description
The unique design of the termination insensitive mixer (TIM) enables it to apply high reverse voltage to diodes during their “off” phase, in the LO cycle. This allows for higher power level performance with minimum distortion. In addition the TIM has internal loads that provide a good match and also absorb mixer generated LO frequency terms. bined, these features give the mixer its insensitivity to external mismatches, plus superior VSWR.
FP-2 (MD-179)
C-7 (MDC-179)
Rev. V3
Pin Configuration (MD-179)
Pin No. 1 2 3 4
Function GND GND GND IF
Pin No. 5 6 7 8
Function LO GND GND RF
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MD- / MDC-179
Termination Insensitive Mixer, 1
- 4000 MHz
Electrical Specifications1: TA = -55°C to +85°C
Parameter
Test Conditions
Frequency
Units
Min
Typ
Frequency Range Conversion Loss 2,3
RF, LO Ports IF Port
Isolation
LO to RF
LO to IF
RF to IF
RF Input
SSB Noise Figure
Typical Two-Tone IM Ratio
1 d B pression 1 d B Desensitization
Within 1 d B of Conversion Loss Max with a
- 10 d Bm input, each tone 60 MHz IF
3rd Order Intermodulation Ratio
Degradation
@ IF VSWR...