To radio sounded good on the UHF band, it should be adjusted to exactly take the radio. Will help you with this indicator fine adjustment circuit of which offers Bulgarian journal “Radio Television Electronics”.
The DC component of the FM demodulator is supplied to the comparison circuit (comparator), is performed on four low-power silicon transistors! for example, KT315, KT361, and two LEDs АЛ102А—АЛ102В (see figure).
With the engine variable resistor R5 on the right shoulder of the comparator serves a reference voltage from a stabilized power supply.
Recommend to read
AND THE SUN AND THE WIND
At their summer cottage in inclement weather you can hide in the room. However, on a Sunny day sometimes want to hide from the scorching rays. And if the area no big trees, which would...
GRINDING HEAD
I want to tell you about how I make grinding head to work with a drill. They not just helped when I had to counterbore some hole or to "improve" a remote place. So, take a chip...
