A D V E R T I S E M E N T

This is an high power RF amplifier circuit. With high power output, the FM signal will cover wide area. The manufacture of amplifier is very simple and easy.

Schematic Diagram:

30W FM transmiter schematic diagram

Component Parts:
C1, C2, C3, C4 = 10 – 80pF
C 5 = 10nF
C6 = 1000pF
C7 = 100nF
C8 = 2200mF/35V
L1 1 = coil with diameter of 10 mms, 1 mm
L2 7 = coils with diameter of 10 mms, 0,8 mm
L3 3 = coils with diameter of 10 mms, 1 mm
TR1 = BLY89
RFC = RF tsok
PCB Layout:

30W FM transmiter pcb layout

Circuit characterictics:
Tendency of operation: 18V
Current of Collector: max 3 5th
Gain: max 10dB
Force of Expense: 25-30 W
Output (order C): > 60%

Source: http://www.high-voltage-lab.com/81/linear-fm-30watt
Visit the web for detailed explanation abaout this FM Radio transmiter.

A D V E R T I S E M E N T

Electronics Online:'30W FM RF Amplifier circuit based on BLY89' was posted under category: Schematic Diagrams. Tags: 30W fm radio,  BLY89 fm transmiter,  fm rf amplifier,  rf amp circuit,  rf amplifier,  You can follow any responses to this 30W FM RF Amplifier circuit based on BLY89 Electronics Online through the RSS 2.0 feed.

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2 Responses to “30W FM RF Amplifier circuit based on BLY89”

  1. platch writes:
    No. 1 — September 8th, 2011 at 9:16 am

    Hello there! just would like to clarify what is meant by (L2 7 = coils with diameter of 10 mms, 0,8 mm)7 turns of coils with 10mms diameter with wire number .8mm? please drop me an email at plotzz@yahoo.com

  2. scott writes:
    No. 2 — October 18th, 2011 at 3:30 am

    on this diagram for this 30 watt amplifier on the drawn diagram there is one resitor shown on the diagram but on the components list there is no showing of any resistor. can anyone please help if you have made this amplifier


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