ANTENTOP- 01- 2012, # 016

Regenerative Receiver on Pencil (Sputnik) Tubes

Credit Line: pp.: 20- 24 from book:

V.V. Voznyuk, For School Radio Section.- Moscow, Publishing House Energiya, 1970

The regenerative receiver may be made on pencil tube 1ZH29B, 1ZH24B, 1ZH18B or on almost any pencil tube. The receiver works at LW and MW Bands. However the receiver may work at HF- Bands with proper coils. It should be used high- ohmic headphones with the receiver. Figure 1 shows schematic of the receiver.

Coil L1 should work at the LW and MW- Bands. At the receiver part of the coil use at MW- Band and all coil used at LW Band. The coil may have any design. Here coil implemented on the form that was used at IF- Filter at an old tube receiver. The L1 has 100 + 200 turns. It is coiled by insulated wire in 0.1- mm (38- AWG). L2 has 60 turns. It is coiled by insulated wire in 0.1- mm (38- AWG).

Figure 2 shows design of the receiver. This one made on wooden or plastic plate with sizes 90 x 120- mm.

Front Cover of the Book

Figure 1 Schematic of the Regenerative Receiver

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