Rangkaian Mini FM Radio Transmitter

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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.

Posted by SlowDoWn