This is an mini fm Radio
transmitter circuit. The supply voltage is between 1.1 – 3 Volts with
power consumption is 1.8 mA at 1.5 Volts. This circuit should be able
to cover 30 meters of range max. at 1.5 Volts.
Skema rangkaian mini FM transmitter
Note:
* Use a battery for powering the circuit.It will reduce noise.
* An FM antenna from a old radio is a better option than the wire antenna.
PN2222A transistor description
This device is NPN General Purpose Amplifier for use as a medium power amplifier and switch requiring collector currents up to 500mA.
Absolute Maximum Ratings.
- Collector-Emitter Voltage (VCEO ) : 40 V.
- Collector-Base Voltage (VCBO) : 75 V.
- Emitter-Base Voltage (VEBO) : 6.0 V.
- Collector Current (IC) 1.0 : A.
- Operating and Storage Junction Temperature Range (TSTG) :- 55 ~ 150 °C.
- Collector-Emitter Breakdown Voltage : 40 V.
- Collector-Base Breakdown Voltage : 75 V.
- Emitter-Base Breakdown Voltage : 6.0 V.