[Test-Equipment] Old Jackson tube tester

[k2cby at optonline.net]

The lack of electrolytic capacitors is no surprise.

You won't find them in a Hickok or a TV-* either, except to damp the panel
meter.

The Hickok design is a bridge circuit that uses ac throughout.

 

Miles B. Anderson, K2CBY
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Sag Harbor, New York 11963-3821

Tel.: (631) 725-4400

Fax: (631) 725-2223

Email: k2cby at optonline.net