1、 Overview:HM370 is a small signal generator that generates 78-108MHz signals. It can also generate pulse alerts with adjustable frequency and duty cycle of 100KHz. This module is straightforward to use, input frequency news through means of key operations, and immediately replace output frequency、 Product application:● Signal generator;● Instrument calibration;● DC motor control;3、 Technical parameter table:Number Project Parameters Unit RemarksPulse sign range of 1-100000 Hz with an obligation cycle of 1-99%2 pulse responsibility cycle fluctuate 1-99% obligation cycle3 pulse sign amplitude five VDC maximum amplitude 5 Vp (output amplitude unchanged)4 FM signal frequency 78~108MHz5 FM sign amplitude 100MV6 operating voltage 7-12 VDC7 operating current<50 mA8 working temperature -40 ℃~65 ℃ CelsiusStorage temperature: -40 ℃ to 65 ℃ Celsius10 dimensions fifty seven * 45 * 20 mm size X width X height4、 Interface description and connected operationsP4 interface (power supply)VDD: Positive pole of power delivery (7-12V)GND: Negative pole of energy supplyP3 interface (output signal)FM: FM signal output: Pulse sign output: Negative pole of strength supply、 Button DescriptionFUN: (Select the operation bit for ambiance data) (Long press the FUN key to save the set parameter values): preceding page: Next page: Self added key: Self lowering key.