For reference list of the component I have on the A12 board:
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- 10H116 : Triple line receiver?
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- LM6321: high speed buffer?
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- MC143 : Low power RF mixer?
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- AD7545 : CMOS multiplying DAC
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- AD847 : AOP
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-OP37 : AOP
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- PH2222A: NPT transistor?
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- TL071C: AOP
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- 78M05 : 5V 1A LDO
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-DG408 : CMOS multiplexer
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-HC273A: CMOS gate flip-flop
MattSNE