Yaesu FT-250R, Техническое дополнение

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11
FT-250R Technical Supplement
Alignment
Test Setup
Set up the test equipment as shown below for transceiver
alignment, and supply 7.5 V DC power to the transceiver.
PLL Reference Frequency
With the wattmeter, dummy load and frequency
counter connected to the antenna jack, select 146 MHz,
key the transmitter, and adjust
TC1001
on the Main
Unit, if necessary, so the counter frequency is within
100 Hz of 146 MHz.
“TX S
ECTION
” A
LIGNMENT
S
ETUP
“RX S
ECTION
” A
LIGNMENT
S
ETUP
MIC GND
AF Signal
Generator
9.9 V DC
Regulated Power Supply
RF Sampling
Coupler
Inline
Wattmeter
50-ohms
Dummy Load
Frequency
Counter
Frequency
Counter
7.5 V DC
Regulated Power Supply
RF Signal
Generator
8-ohms
Dummy Load
SINAD
Meter
MIC GND
TC1001