HomeBrew

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[1] Building homebrew IF filter for SSB use, highest reasonable frequency?

[2] Need aluminum for amplifier chassis

[3] 400 Hz from 120 VAC

[4] Foxhole Radio detector variants

[5] Vacuum Tube T-R Switches

[6] Tester for cystal resonators article

[7] 4:1 Balun with T200-2 core

[8] making low-current 60 hz toroid transformer

[9] Auto-ranging analog voltmeter for variable power supply project

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