XIEGU X108G, Руководство по обслуживанию

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4.2.10 Transmit closed loop debugging
Required machines and its settings
Machine Setting specs
Digital multimeter DC voltage test gear
Spectrum analyzer Central frequency:14.25MHz BW:5MHz
50W RF load
1) Set the receiving frequency of X108G to be 14.25000MHz, [CW] mode
，
power 20W
2) Connect the RF load to the antenna interface of the X108G.
3) Press the CW key to start the transmit, measure G2 voltage of the transmitting amplifier Q3 by digital
multimeter.
4) Adjust the IF transformerT8 to make the test voltage value be minimum.
PotentiometerRW5
IF
transformerT8