Description

Description:

This Kit use the d1800 core chip, it as a radio receiving application specific integrated circuit, part of power amplifier select D2822. Interphone transmitter part adopts a two-stage amplifier circuit. The first stage is the oscillation and amplification circuit; the second stage is the launch part, use dedicated launch tube to improve the efficiency of the launch. It has many advantages, beautiful shape, small size, less external components, high sensitivity, stable performance, power consumption, high output power and so on. With no error on assembling, after debugging can receive radio station, it do not need adjustment. It can listen to the radio station, also can realize mutual intercommunication.

Parameters:

FM Band: 88 MHZ to 108 MHZ
Working power supply voltage range: 2.5V-5V
Quiescent current: 13.5mA
Signal-to-noise ratio >80dB
Harmonic distortion <0.8%
Output power: ≥350mA
Transmitter operating current: about 18mA
Intercom distance: 50-100 meters

Package included:

2 x DIY FM Radio Wireless Interphone Radio Electronic Kit