User's Manual
User Manual
1. Electrical Function
1.1 Input DC voltage :Vi=12V~24V
1.2 No-load voltage:Vo=5.0V~5.3V
1.3 With load current: Io=500mA
1.4 With load voltage:Vo=4.6V~5.3V
1.5 Four LED lights are displayed as 1 2 3 4
1.6 Digital display frequency 88MHZ~108MHZ
Gooseneck FM Transmitter schematic
1 Negative shrapnel 2 Cathode copper 3 Button switch 4 Channel switch+
5 Channel switch – 6 3.5mm Audio input
3. 4 6 5
1 2
image 1-1 The whole product schematic