6-Meter preamplifier provides 20db gain


Posted on Jun 8, 2012

Cl, C2, and C3 are miniature ceramic or plastic trimmers- Tl (main winding) is 0.34 µ,. Use of 11 turns of no. 24 enameled wire on a T37-10 toroid core. The antenna winding has one turn, and Ql the source winding has three turns. T2 primary consists of 11 turns of no. 24 enameled wire on a T37-10 toroid. Tap Ql drain is three turns from C2 the end of the winding. The secondary has three turns.


6-Meter preamplifier provides 20db gain
Click here to download the full size of the above Circuit.

T3 is the same as T2, except its secondary has one turn.




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