SGC SG-2020 TEST DOCUMENT, Installation And Operation Manual

Page: 42 / 95

38
© 1998 SGC Inc
SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331
E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com
Adjust C56 on the LPA for minimum reverse swr detector voltage
(typically 3 mV).
17.6 FREQUENCY CALIBRATION
Is factory set only.
Note: Any adjustments made to the SG-2020, besides R46 CW
sidetone are NOT covered by the warranty.
17.7 NOMINAL OUTPUT POWER TEST
Set output capability of the transceiver by setting the output level to
“20”. Set generator to 1300 Hz 20 mV AF input to the microphone
connector; measured output power level should be:
1.8 - 25 MHz 20 watts ± 3 watts
above 25 MHz 14 watts minimum
17.8 STRESS POWER (MAXIMUM OUTPUT POWER)
Set maximum output capability of the transceiver by setting the out-
put level to “M” for maximum. With 20 mV AF input at the micro-
phone connector output power level should be:
Frequency Power Range
1.8 MHz 23 to 27 watts
3.7 MHz 23 to 35 watts
7 MHz 30 to 40 watts
14 MHz 35 to 45 watts
18 MHz 30 to 42 watts
29 MHz 14 to 23 watts
The above readings are for reference and orientation only and may
change without notice.
ATTENTION: The above stress power test should not be extended
more than ten seconds.
This test is not covered under warranty.