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
RACK HEADSETS
In our small apartments recently settled a combined sectional and furniture. And — please note! — the more expensive and better quality headsets, the less it pseudotolerance, pasted...
MINI CHOPPER
Handy little pollinic it is easy to make your own. You will need to segment blade bars of an agricultural mower. If you add the steel plate 2 mm thick — get a bilateral instrument,...
