Re: 'I.F Alignment Aid'
It seems a bit of a palaver when sig gens can be bought for almost no money. Alternatively you could build a single transistor oscillator using a scrap IFT and align to that - there's no need to align to precisely 465kHz so long as all stages are aligned to a common frequency. You don't even need to modulate the signal if you measure the DC voltage at the detector.
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