The 3116-7890 Downconverter converts 7.8 - 9.0 GHz to 0.95 - 2.15 GHz (non-inverted) with a 6.85 GHz local oscillator. The gain is +35 dB maximum and is adjustable in 1 ± 1 dB steps. Front panel LEDs provide indication of Remote operation, PLL Alarm and DC Power. Gain and internal/external/Auto reference frequency selection are controlled by front panel switches or remote selection (via RS-232C/485, standard; Ethernet Optional) and are viewable on the LCD Display. Connectors are Type N female for the RF and BNC female for the LBand and external reference input and reference output. In AUTO, the 10 MHz reference stays in external if the external level is +3 dBm, ±3 dB. The 3116 is powered by a 100-240 ± 10% VAC power supply, and housed in a 1 3/4” X 19 “ X 14” rack mount chassis.
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