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TS820.1
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1992-09-15
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404b
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12 lines
ts820.1
1. Solid state conversion to change keying voltage at the CW
key kack from -65V to +4.4V. See QST Dec. 1983 pg. 39 for schematic.
2. Schottky diodes improve product detector. QST Oct. 1987 pg. 37.
3. WARC bands for the TS-820(S). See QST Feb. 1983 pg. 36.
4. MOD to allow CW using either filter position after addition of
500 hertz filter. See 73 Magazine April 1980 pg. 70.