Frequency Adjustable Pulse Generator Module NE555
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020
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Frequency Adjustable Pulse Generator Module NE555

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  • Product SKU: KG577
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Specification

Description

The NE555 is a popular integrated circuit (IC) timer chip that can be configured as an adjustable frequency pulse generator or timer. It's widely used in electronics projects for generating square wave or pulse waveforms with adjustable frequency and duty cycle. The "NE555 Adjustable Frequency Pulse Generator Module" typically incorporates the NE555 timer IC into a convenient module for ease of use.

Here's an overview of its features and how it works:

NE555 Timer IC: The core component of the module is the NE555 timer IC, which is a versatile timer/oscillator IC.

Adjustable Frequency: You can adjust the output frequency of the pulse generator by changing the resistor and capacitor values in the circuit. This allows you to create pulse waveforms at different frequencies within the NE555's operating range.

Duty Cycle Control: The NE555 can be configured to produce square waveforms with adjustable duty cycles (the ratio of on-time to off-time). This feature is useful for generating PWM (Pulse Width Modulation) signals.

Output Control: The module typically provides output pins where you can access the generated pulse waveform.

Input Pins: There are pins on the module for connecting external components like resistors and capacitors to set the timing parameters for the NE555.

Power Supply: The module requires a DC power supply voltage within the specified operating voltage range, typically between 4.5V and 15V.

How it Works:

The NE555 timer IC operates in various modes, but one of the most common configurations for pulse generation is the astable multivibrator mode. In this mode, the NE555 oscillates continuously, producing a square wave output.

Here's a simplified explanation of how the NE555 adjustable frequency pulse generator works:

Resistor and Capacitor Configuration: You connect external resistors and capacitors to specific pins on the NE555 to set the timing parameters. The values of these components determine the frequency and duty cycle of the output waveform.

Timing Components Charge and Discharge: The NE555 charges and discharges a capacitor based on the values of the connected resistors and capacitors. This charging and discharging cycle generates a voltage waveform across the capacitor.

Output Generation: The voltage waveform across the capacitor is used to trigger the NE555's internal comparator, which toggles the output between high and low states. This action produces a square wave output with a frequency and duty cycle determined by the timing components.

Adjustment: By changing the values of the resistors and capacitors, you can adjust the frequency and duty cycle of the generated pulse waveform. This allows you to create pulse signals with various characteristics for different applications.

Applications:

The NE555 adjustable frequency pulse generator module can be used in a wide range of applications, including. Generating clock signals for digital circuits. Creating PWM signals for motor speed control and LED dimming. Timing and control in various electronic projects. Generating square waveforms for audio and music-related projects.Educational purposes to learn about timing circuits.

Technical Details

  • IC Chip : NE555
  • Input Supply Voltage (VDC): 5 to 15
  • Output amplitude : 4.2V V-PP to 11.4V V-PP.
  • Output Current : 15mA for 5V 35mA for 12V
  • FSK Bit rates:1.2kbps to 300kbps
  • Voltage range:1.8V to 3.6V

Features

  • Working voltage: 5-12V
  • Minimum – 50% duty cycle, 3.7 Hz Maximum – 98% duty cycle, 1.3KHz
  • 100% Brand new and high quality!
  • A single channel output, the output duty cycle square wave is about fifty percent.
  • Onboard adjustable resistance, resistance can be controlled to adjust the output frequency.
  • Best choice for yourself or your friend. You will not be disappointed!

Physical Attributes

  • Color: Blue
  • L x W x H (mm): 25 x 14 x 11
  • Weight (gm) : 3

Documentation

Package Includes

  • 1 x Frequency Adjustable Pulse Generator Module NE555

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