Home Computing Computer Accessories Audio & Video Accessories Computer SpeakersAM Radio Transmitter Board Short Wave Low Power Sound A

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AM Radio Transmitter Board Short Wave Low Power Sound A

₦ 39,700

₦ 79,40050%

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+ shipping from ₦ 7,698 to LEKKI-AJAH (SANGOTEDO)

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Product details

Feature:
1. Application: This is a short wave transmitter, mainly used in short wave radio experiments and tests, understand the principle of AM modulation.
2. Structure: Mainly consists of power input, sound amplification, sound modulation, 21MHZ high frequency oscillation, Class C high frequency amplification, 21MHZ low pass filter.
3. Power Input: Professional AM radio transmitter board, C1 to C6 for the filter capacitors, reduce the power supply interference ripples.
4. Sound Modulation: Transformer B1 secondary inductance sound voltage superimposed on the DC power, to get the modulation voltage with the change of the sound source.
5. High Frequency Oscillation: 21MHZ high frequency oscillation, crystal Y1 in the circuit is a parallel resonance, equivalent to the inductor.

Specification:

Item Type: AM Radio Transmitter Board
Material: PCB
Power Supply: Voltage DC Power Supply 9V2A; The Whole Current 50 to 80mA
Frequency: 21MHZ Crystal Frequency Stabilization
Adjustment Amplitude: 45%
High Frequency Power: 100mW
Modulation: Transformer High Potential Modulation
Sound Source: External Sound Source, Available Cell Phones, MP3, Computers, etc.
Transmitting Distance: Better Than 10m/32.8ft
Production Difficulty: Welding, Without Debugging
Applicable: Radio Enthusiasts, Students Experimental Testing.

Package List:

1 x AM Radio Transmitter Board 1 x Screw Package 1 x Instruction Manual 1 x Sound Cable 1 x Antenna

Specifications

Key Features

Application: This is a short wave transmitter, mainly used in short wave radio experiments and tests, understand the principle of AM modulation.
Structure: Mainly consists of power input, sound amplification, sound modulation, 21MHZ high frequency oscillation, Class C high frequency amplification, 21MHZ low pass filter.
Power Input: Professional AM radio transmitter board, C1 to C6 for the filter capacitors, reduce the power supply interference ripples.
Sound Modulation: Transformer B1 secondary inductance sound voltage superimposed on the DC power, to get the modulation voltage with the change of the sound source.
High Frequency Oscillation: 21MHZ high frequency oscillation, crystal Y1 in the circuit is a parallel resonance, equivalent to the inductor.