2009-38 Test Downconverter - Converts a 3.8 - 5.05 GHz signal to 900 - 2150 MHz with a high side local oscillator (LO) (inverted spectrum) for loop-back applications. With low phase noise, this unit down converts “clean” (having only this frequency) 3.8 - 5.05 GHz signals to 900 - 2150 MHz for test purposes. The 3.8 - 5.05 GHz input is mixed with a synthesized local oscillator (LO) signal to 900 - 2150 MHz. The mixer output goes to the output attenuator providing a nominal gain of -40 dB. Connectors are 75 ohm F female for the 900 - 2150 MHz output and 50 ohm N, female for the RF input. Front panel LEDs show DC power is applied (green) and if a PLL alarm occurs (red). DC power is provided by the LNB voltage from the receiver under test or by an external wall mount power supply (option -P, 115 VAC or Option -P4, 90-260 VAC). Option -C has no power supply and is powered by an external power supply like the 2000-01. The 2009 can be mounted on an 1 3/4 ” X 19 “ rack mount panel (option R ).
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