پروژه زبان فنی همراه با ترجمه
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قسمتی از متن لاتین:
Shortwava Transmitter
This transmitter circuit operates in shortwave HF band (6 MHz to 15 MHz), and can be used for short-range communication and for educational purposes.
The circuit consists of a mic amplifier , a variable frequency oscillator , and modulation amplifier stages. Transistor T1 (BF195) is used as a simple RF oscillator , Resistors R6 and R7 determine base bias , while resistor R9 is used for stability . Feedback is provided by 150pF capacitor C11 to sustain. The primary of shortwave oscillator coil and variable condenser VC1 (365pF , 1/2J gang) form the frequency determining…
