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The SB-101 80...10 meter Ham Band
Transceiver came on the market in 1967 and was produced until
1970. It replaced the SB-100, that came on the market
in 1965. The SB-101
was then replaced by the SB-102, that was produced until
1975. The SB-100/SB-101/SB-102 series
resembled some of the Collins products at the time, so quite often they
were called "the poor mans Collins". The SB-101 was a slightly improved SB-100. The SB-102 was an improved SB-101. The major difference is that the SB-102 has a solid state VFO or
LMO (Linear Master Oscillator), as Heathkit called it, but the SB-100 and the SB-101 has a valve VFO (LMO).
My
SB-101 in excellent condition
The
SB-101
schematic
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