Correction

In the Europe on $2000 a day article last month the printer got the fellows in the RSGB photo turned around. Apologies, We'll continue the stbrv next month.

work well with alt the circuits shown, it has good gain and adequate outputPower Supply

Fig. 7. The power supply recommended is a full wave one giving about 250v output. Filtering should be good to prevent hum modulation of the oscillator, Silicon diodes can be used in place of the 5V4*

Block Diagrams

This is the real secret in receiver design. First calculate what characteristics a receiver should have. After deciding whether it should be a simple or complex, single or double conversion, etc, receiver, lay out block diagrams

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