Relaxation Oscillator using UJT

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Product Details:

Power Operates at low power consumption
Display N/A; output observed on CRO/oscilloscope
Usage Used for waveform generation, clock pulse generation, as a timing circuit
Voltage 9V to 15V DC supply recommended
Product Type Electronic oscillator circuit/module
Material Glass epoxy PCB, electronic components (resistors, capacitors, UJT, etc.)
Design Compact PCB mounted components, standard electronics lab construction
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Relaxation Oscillator using UJT Price And Quantity

Minimum Order Quantity 1 Unit

Recommended Load High input impedance device (such as oscilloscope) for output monitoring
Adjustability Frequency adjustable via potentiometer/resistor
Terminal Output Test point or output port for waveform observation
Component Tolerance ±5% for resistors; ±10% for capacitors
Key Component 2N2646 UJT (or equivalent)
Oscillator Type Relaxation Oscillator using UJT (Unijunction Transistor)
Operating Temperature 0°C to 60°C (component dependent)
Application Educational demonstration, timing circuits, waveform generators
Safety Standards Conforms to standard low-voltage lab practices
Waveform Output Sharp pulses or sawtooth waveform
Package Includes Assembled PCB module (components population as shown in circuit image)
Connections Screw terminals or pin-headers for power and output
PCB Type FR-4 glass epoxy
Output Frequency Range Variable; typically 100 Hz to several kHz depending on RC values
Mounting Tabletop, suitable for breadboard or PCB mounting

Relaxation Oscillator using UJT Product Specifications

Illuminant None (electronic device, no illumination)
Material Glass epoxy PCB, electronic components (resistors, capacitors, UJT, etc.)
Power Source External DC battery or regulated power supply
Product Type Electronic oscillator circuit/module
Accuracy High frequency stability, repeatable output waveform
Detector N/A (Non-applicable; circuit for waveform generation not detection)
Charging Time Controlled by RC time constant; adjustable by resistor/capacitor values
Display N/A; output observed on CRO/oscilloscope
Power Operates at low power consumption
Usage Used for waveform generation, clock pulse generation, as a timing circuit
Voltage 9V to 15V DC supply recommended
Design Compact PCB mounted components, standard electronics lab construction
Dimension (L*W*H) Approx. 100mm x 70mm x 25mm (depending on board layout)
Weight Approximately 50g

Recommended Load High input impedance device (such as oscilloscope) for output monitoring
Adjustability Frequency adjustable via potentiometer/resistor
Terminal Output Test point or output port for waveform observation
Component Tolerance ±5% for resistors; ±10% for capacitors
Key Component 2N2646 UJT (or equivalent)
Oscillator Type Relaxation Oscillator using UJT (Unijunction Transistor)
Operating Temperature 0°C to 60°C (component dependent)
Application Educational demonstration, timing circuits, waveform generators
Safety Standards Conforms to standard low-voltage lab practices
Waveform Output Sharp pulses or sawtooth waveform
Package Includes Assembled PCB module (components population as shown in circuit image)
Connections Screw terminals or pin-headers for power and output
PCB Type FR-4 glass epoxy
Output Frequency Range Variable; typically 100 Hz to several kHz depending on RC values
Mounting Tabletop, suitable for breadboard or PCB mounting

Relaxation Oscillator using UJT Trade Information

Supply Ability 5 Unit Per Week
Delivery Time 4-5 Days
Main Export Market(s) Australia, North America, South America, Eastern Europe, Western Europe, Middle East, Central America, Asia, Africa
Main Domestic Market All India

Product Description

Relaxation Oscillator using UJT

Objective : To study the Frequency and Wave shape generated by Relaxation Oscillator.

Features : Instrument comprises of 30V DC Regulated Power Supply, Circuit diagram printed & components mounted on front panel

Precise and Adjustable Frequency Generation

Utilizing the reliable 2N2646 UJT, this relaxation oscillator provides highly repeatable and stable waveforms. The oscillator output frequency can be conveniently adjusted by varying RC values, allowing users to tailor the output for specific timing or waveform requirements. Its design enables simple observation and output connection via screw terminals or pin-headers.

Ideal for Educational and Laboratory Applications

The modules clear output and straightforward adjustment make it an excellent tool for electronics education or circuit labs. It demonstrates key concepts such as unijunction transistor switching, RC timing, and waveform generation, making abstract theory readily visible on an oscilloscope.

Reliable Construction for Consistent Results

Constructed on a durable FR-4 glass epoxy PCB and using electronic components with reliable tolerances, this oscillator offers predictable performance. It operates safely under standard lab conditions (0C to 60C) and is powered by a common 9V to 15V DC supply, ensuring compatibility and easy integration into existing test setups.

FAQs of Relaxation Oscillator using UJT:

Q: How do I adjust the output frequency of the relaxation oscillator module using a UJT?

A: You can change the output frequency by adjusting the potentiometer or resistor values in the RC section of the circuit. By increasing or decreasing the resistance, you alter the RC time constant, which directly affects how often the oscillator produces its output waveform.

Q: What kind of waveform can I observe from the output, and where do I connect my measuring device?

A: The oscillator produces sharp pulses or a sawtooth waveform at the output terminal. You should connect a high-impedance device, such as an oscilloscope, to the designated test point or output port to safely observe the waveform.

Q: When should I use a UJT-based relaxation oscillator over other timing circuits?

A: This oscillator is particularly beneficial when you need a simple yet stable and adjustable timing or waveform generation solution, especially for educational demonstrations, clock pulse generation, or as a reference timing circuit in the lab.

Q: Where can I mount or use this oscillator module?

A: The module is designed for tabletop use and can be placed on a breadboard for prototyping or mounted onto a PCB for permanent setups. Its compact size makes it suitable for various laboratory or classroom environments.

Q: What process is involved in changing the oscillators frequency range?

A: The frequency range is set by selecting appropriate resistor and capacitor values in the RC network. For a wider frequency range, you may use variable resistors (potentiometers) and capacitors with suitable tolerance ratings.

Q: What are the key benefits of using this relaxation oscillator in the classroom or lab?

A: The module offers high frequency stability, clear and repeatable waveforms, and ease of frequency adjustment, making it ideal for demonstrating electronic principles, testing timing responses, and generating test waveforms for other circuits.

Q: Is it safe to connect this module directly to standard laboratory power supplies?

A: Yes, the circuit is designed to operate within safe low-voltage ranges (9V to 15V DC) and conforms to standard lab safety practices, ensuring it is suitable for use with common regulated power sources.

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