• Skip to main content
  • Skip to primary sidebar

Making Easy Circuits

Learn and build electronic circuits

You are here: Home / Audio and Amplifier / Simple Bird Sound Generator Circuit

Simple Bird Sound Generator Circuit

Last Updated on November 16, 2024 by Admin Leave a Comment

This image shows a basic circuit that makes a chirping bird sound. It uses everyday parts, like a small transformer you'd find in a portable radio.

How it works:

The circuit uses a transistor and a tiny transformer to create this loop.

Regular house current comes in, a resistor (4K7) tones it down for the circuit's DC side.

A diode flips the AC current to DC, and a capacitor smooths it out.

This smoothed DC reaches the transistor's base, which turns it on. When the transistor is on, it connects one coil of the transformer to ground.

This grounding cuts off the voltage going to the transistor, so it switches off.

The transformer, due to this on-off action, generates a voltage pulse that gets pushed back to the other coil.

When the transistor is off, the base voltage recovers, and the whole process starts again.

These ongoing pulses in the transformer create a strong electrical pressure (EMF) that gets amplified by the loudspeaker, making the chirping sound.

This circuit uses a combination of a 10k resistor and a 0.1uF capacitor to control the transistor's feedback loop.

By turning the 4.7kΩ potentiometer, you can adjust the frequency of the chirping sound along with another 0.1uF capacitor. These adjustments help you fine-tune the exact tone of the bird chirp to achieve the desired effect.

Keep this circuit unplugged while handling it! Direct connection of this circuit to the mains AC voltage is exceedingly risky and has the potential to result in fatalities or major injuries. Work on the circuit only when it is fully unplugged, and proceed with great caution.

SimpleBirdSoundGeneratorCircuitDiagram

Parts List

  • Resistors
  • 4.7 k 5 watt = 1
  • 10 k 1 watt = 1
  • 1 k 1/4 watt = 1
  • preset, trimpot 4.7 k = 1
  • Capacitors
  • 1000 µF, 50 V = 1
  • 470 µF, 25 V = 1
  • Ceramic Disc 0.1 µF = 1
  • Transistor 8050 = 1
  • Audio Output Transformer = 1
  • Push button = 1

Making the bird chirp:

This circuit can create very realistic bird sounds! It has a control knob that lets you change the pitch of the chirp from low to high frequencies. The size of the speaker (ideally 4 to 6 inches and placed in the same enclosure) also affects the overall sound quality.

Behind the chirp:

Technically, this circuit is a type of oscillator called a free-running multivibrator. By turning a knob labeled "R4," you can adjust the frequency of the chirp between 1,000 and 10,000 Hertz (Hz).

The secret to the bird-like sound comes from a separate low-frequency oscillator circuit that uses a neon bulb (M3). This circuit creates a signal that controls transistor Q1. Interestingly, if you remove capacitor C1, the chirping effect disappears, and the circuit becomes a regular variable-frequency multivibrator. Transistors Q3 and Q4 play a role in amplifying and outputting the final signal.

120 V Bird sound Chirping Effect circuit diagram

Parts List

parts list for bird chirping sound simulator

You can any standard audio output transformer as shown below, for T1:

audio output transformer

Another Simple Bird Sound Generator

one transistor bird chirping sound simulator circuit diagram

Bringing Bird Sounds to Life: How This Simulator Works

This bird sound simulator is like a mini-orchestra for bird noises! It uses three special circuits called relaxation oscillators, along with a "decade counter."

Each relaxation oscillator is a type called an astable multivibrator. These clever circuits use chips called CMOS logic inverters (AMV1 to AMV3) to create their own unique rhythms.

AMV1 is particularly interesting because it generates a very slow pulse, just a fraction of a hertz (cycle per second). This slow pulse acts like a conductor's baton, telling the decade counter chip (IC2) how fast to keep track of the beat.

Wide Range Bird Sound Simulator circuit diagram

In accordance with clock pulses, logic 1 traverses outputs Q0 through Q9 when the counter is in operation.

The AMV2 oscillator uses a high-frequency note to simulate bird vocal chords.

When modulating the AMV2 output, the AMV3 oscillator offers a variety of frequencies.

Unlike synthetic chimes, this system accurately replicates the sounds of live birds.

Resistance between C4 and R4 determines the frequency from AMV3.

To be more precise, a resistor flips between R8 and R11.

Using counter outputs, CMOS changes the ES1 to ES4 control resistor switching.

This configuration guarantees sporadic emission, more akin to actual birds than repetitive noise.

The circuit provides several ways to customize the sound of the bird.

To get desired bird sound effects, modify the values of the resistors (R8-R11), counter outputs, and switch connections (ES1-ES4).

You'll also like:

  • 1.  Constant Volume FET Amplifier Circuit
  • 2.  Make this Booming Pistol Sound Simulator Circuit
  • 3.  Class B and Class AB Amplifier Circuits
  • 4.  Audio Signal Conditioner Circuit
  • 5.  Motor Boat Sound Generator Circuit
  • 6.  Simple Audio Circuits

About Admin

Hey friends, Thanks a bunch for stopping by this site! I am an engineer with a Bachelor of Engineering in Electronics and Telecommunication. One of my passions is gathering information from all sorts of electronics books and tutorials. I then take that information and compile it into a language that is super easy to understand. My goal is to make those complex electronics circuit concepts and technical terms much more accessible for all the new and budding electronics engineers out there. I can also design customized circuit diagrams as required by the users.
If you have any questions related to this field, please do not hesitate to drop a comment! I am always here and ready to help you out with any queries you might have. I cannot wait to hear from you!

Reader Interactions

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Primary Sidebar

Categories

  • 3 Phase (4)
  • 8051 Microcontroller (1)
  • Arduino (11)
  • Audio and Amplifier (102)
  • Automation (8)
  • Battery Chargers (64)
  • Bicycle Projects (4)
  • Car and Motorcycle Projects (39)
  • Datasheets (10)
  • DIY Projects (5)
  • Electrical (15)
  • Free Energy (6)
  • Games Projects (2)
  • High Voltage (14)
  • Hobby Projects (30)
  • Household Circuits (2)
  • IC 555 Circuits (5)
  • Ignition Circuits (2)
  • Indicators (50)
  • Infrared (6)
  • Inverter Circuits (29)
  • Lights and Lamps (97)
  • Medical (8)
  • Meter and Tester Circuits (38)
  • Motor Driver (17)
  • New Circuits (56)
  • Oscillators (30)
  • Pets and Pests (5)
  • Power supply (80)
  • Protection Circuits (25)
  • PWM (9)
  • Remote Control (20)
  • Security and Alarm Circuit (48)
  • Sensors and Detectors (66)
  • Signal Processor (23)
  • Solar Controller Circuits (62)
  • SSR (3)
  • Temperature Controller (20)
  • Timer (25)
  • Transformerless (7)
  • Transmitters (12)
  • Tutorials (45)
  • UPS (2)
  • Voltage Regulators (57)
  • Water Sensor and Controller (29)
  • Home
  • Privacy Policy
  • Contact
  • Disclaimer
  • Copyright

© 2025 · Making Easy Circuits