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MA87729-MO1 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – Varactor Controlled Oscillator Transceiver 24.150 GHz
Pay special attention to pin location diagram
here! Disregard earth (ground) marking!
Varactor bias = +1 vdc to +22 vdc
+Vbias = +5 to +6 vdc (from power supply)
IF = 200 ohms Z. always load with 2K resistor.
Connect earth/common here!