Page 92 - Build Your Own Transistor Radios a Hobbyists Guide to High-Performance and Low-Powered Radio Circuits
P. 92
The primary of the RFC transformer is connected to the collector of the first
transistor, whereas the secondary is connected to a detection diode. A
measurement of this RFC transformer is as follows:
• Primary inductance is 936 IJH.
• Secondary inductance is 3,300 IJH.
The turns ratio of the RFC transformer is about 1:2 because the secondary
inductance is almost four times the inductance of the primary winding.
= \1
which means that
With the back cover taken off, Figure 6-2 shows the circuits of the Windsor radio,
and the RF transformer (aka RFC transformer) is pOinted out.