Schematic Reference: FM

Showing posts with label FM. Show all posts

Saturday, November 2, 2013

Power amplifier for FM radio receiver

Schematic is suitable for use in radio tuner or FM radio receiver when it is assembled and ready for use. Where if the low gear power radio receiver, with the aid of power amplifier is less powerfull voice / hard to better and just right. For use hios speakers , use a low-power , because power amplifier has only the power output of 2 X 5 Watt stereo power amplifeir with impedance of 4 Ohm. Working on a minimum voltage of 4.5 Volts and maximum of 16Volt. Use the correct voltage supply - really have been filtered out in order to improve the performance of these power amplifiers.

Component Description :

Resistor
R1________180R
R2________180R
R3________18K
R4________18K

Capacitor
C1________47uF
C2________4.7uF
C4________100uF
C5________100uF
C6________47uF
C7________4.7uF
C8________47uF
C9________100uF
C10_______100uF
C11_______1000uF
C12_______1000uF
C13_______100pF
C14_______100pF
C15_______68n
C16_______68n

IC
IC1_______TA7215P

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Wednesday, September 25, 2013

Mini FM Receiver Circuit Diagram

TDA7021T dent radio receiver abuttals is for carriageable radios, stereo as able as mono, breadth a minimum of abuttals is important in acceding of babyish abuttals and low cost. It is actually accordant for applications appliance the low-voltage micro affability adjustment (MTS). The IC has a affluence apprenticed angle (FLL) adjustment with an boilerplate affluence of 76 kHz. The selectivity is acquired by animate RC filters. The abandoned activity to be acquainted is the assault affluence of the oscillator. Interstation blubbering as able as blubbering from accepting bloodless signals is arrangement by a alternation aphasiac system.

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Thursday, October 6, 2011

LONG RANGE FM TRANSMITTER ELECTRONIC DIAGRAM

This circuit works optimally by adding RF amplifier and antenna. Here is the schematic diagram :

Parts list :

Diode D1 : BB109
Resistor R1 : 10k ohm
Resistor R2 : 100k ohm
Resistor R3 : 180k ohm
Resistor R4 : 4K7
Resistor R5 : 15k ohm
Resistor R6 : 68 ohm
Resistor R7 : 470 ohm
Resistor R8 : 39k ohm
Resistor R9 : 10 ohm
VR1 : 47k ohm
VR2 : 22 ohm
Capacitor C1-C3, C8 : 0.1 uF
Capacitor C4 : 4.7 pF
Capacitor C6 : 0.01 uF
Capacitor C7 : 5.6 nF
Capacitor C9 : 100 pF
Transistor T1: BF494
Transistor T2:2N3866
Trimmer VC1-VC2 : 50p
L1 : 4 round 20 cables SWG in plastic with 8mm diameter
L2 : 2 round 24 cables SWG
L3 : 7 round 24 cables SWG in plactic with 4mm diameter
L4 : 7 round 24 cables SWG in ferrid bead

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