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
“BOAT”-SNOWMOBILE
He was born and I grew up in that land of mother Russia, where the land most of the year is under a thick cover of snow, a reason those places is considered the birthplace of Santa...
A STEP WITHOUT A SKELETON!
What a pity that in his childhood the wise advice of adults fly in one ear and immediately out at another. Remember the many comments of parents and teachers like "straighten up!" or "sit...
