GMDC-A Multi-Octave Downconverter

GMDC-A Series Multi-Octave Downconverter belongs to our microwave downconverter series that has a high performance and an octave overage by RF signal. Its frequency step is precise and accurate to 10Hz with a variety of IF and signal bandwidth choices.

This series of converter is mainly used for electronic countermeasure system, radar system, and satellite communication system. Its excellent phase noise, clutter suppression, and in-band flatness data can provide a transparent RF transmission channel to all videos or data communications. All programming commands can be set through a local panel or through network remotely. GMDC-A series microwave downconverter is available in 2U/4U sizes.

Applications: T&M Systems/Satellite Communications/MIMO


Key Features


◼︎Multi-octave RF coverage (0.5 - 67GHz)

◼︎4GHz or above instantaneous signal bandwidth

◼︎Amplitude Equalization and Group Delay Equalization

◼︎Variety of commonly used IF and bandwidth combinations

◼︎Excellent phase noise specification (67GHz): ≤-100dBc/Hz@10kHz

◼︎Internal and external reference switching

◼︎Remote programming





Input Characteristics

Input Frequency Range 

GMDC20A: 0.5 to 20GHz

 GMDC26A: 0.5 to 26GHz

 GMDC40A: 0.5 to 40GHz

 GMDC50A: 0.5 to 50GHz

 GMDC67A: 0.5 to 67GH

Frequency Tuning Step Size 

10Hz

Maximum Input of Signal Power 

-30dBm(operating), +10dBm(damaged) (+5dBm operating, ATT35 support

Input LO Leakage

≤-80dBm

Input VSWR

≤2.5

Input Impedance

 50Ω

Output Characteristics

Output Frequency 

70±20MHz,140±40MHz,0.72±0.25GHz,1.2±0.25GHz,  1.2±0.5GHz,1.8±1GHz,  3±2GHz

(select between single or multiple IF outputs)

P-1 Output Power

≥ +13dBm

IM3 Output 

≤-60dBc (△5MHz, Maximum gain, Power output:2*-10dBm)

Output VSWR

 ≤1.4

Output Impedance 

50Ω

For more detailed information, please download the PDF Datasheet above.

GMDC-A Series Multi-Octave Downconverter belongs to our microwave downconverter series that has a high performance and an octave overage by RF signal. Its frequency step is precise and accurate to 10Hz with a variety of IF and signal bandwidth choices.

This series of converter is mainly used for electronic countermeasure system, radar system, and satellite communication system. Its excellent phase noise, clutter suppression, and in-band flatness data can provide a transparent RF transmission channel to all videos or data communications. All programming commands can be set through a local panel or through network remotely. GMDC-A series microwave downconverter is available in 2U/4U sizes.

Applications: T&M Systems/Satellite Communications/MIMO


For more detailed information, please download the PDF Datasheet above.

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