Description

NE555 Pulse Generator Rectangular Wave Frequency Adjustable Duty Cycle Small Signal Generator

Description:

Size: 20mm*40mm

Function: to generate different frequency square wave or square wave;

Parameters:

(1) power supply input voltage: 5V-12VDC. when 5V power supply, the output current is about 10MA; when 12V power supply, output current can be left in 30MA Right;

(2) frequency: 5 bands (actual value)

The J1 file: 0.6Hz ~ 25Hz

The J2 file: 7Hz ~ 300Hz

The J3 file: 50Hz ~ 2.5kHz

J4 block: 350kHz ~ 6.6kHz

J5 block: 6.7kHz ~ 180kHz

Adjustable duty cycle range: 0.4-0.99

(3) the LED output indicator light, low level LED light , high level LED arc,

LED flashing speed represents the frequency output change; in addition to the jumper can choose different frequency

Paragraph, RV1 control can adjust the frequency, the regulation of LED flicker can be regarded as adjust and change the corresponding frequency change;

(4) the input current: 100MA

(5): 4.2V--11.4V output voltage peak (with power supply voltage change.

Chemical)

(6) calculation formula of the output frequency: T=0.7 (Ra+2Rb) C Ra,

Rb 0-10K adjustable;

(7) the input: VCC connect positive electrode of power supply GND connect negative electrode of power supply output: VCC OUT GND  The input voltage and the output are consistent, the purpose is convenient for the user to use, and can be follow-up power supply.OUT as frequency signal output.

Package Included:

1 * NE555 pulse generator