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Single Supply Function Generator – Circuit Schematic
Single Supply Function Generator
The ratio R1/R2 sets the amplitude of the triangle wave, as referenced to the square-wave output. For both waveforms, the frequency of oscillation can be determ...
555 Tone Generator Circuit (8 ohm speaker) – Circuit Schematic
555 Tone Generator Circuit (8 ohm speaker)
This is a basic 555 squarewave oscillator used to produce a 1 Khz tone from an 8 ohm speaker. In the circuit on the left, the speaker is isolated from the oscil...
1.2GHz Voltage Controlled Oscillator With Linear Modulation – Circuit Schematic
1.2GHz Voltage Controlled Oscillator With Linear Modulation
Since high frequency voltage-controlled oscillators, or VCOs, are not easy to construct, Maxim ( has produced an integrated 1. 2GHz oscillator, the MAX2754. The...
synchronized sawtooth – Circuit Schematic
synchronized sawtooth
The sawtooth signal generated by this simple circuit is synchronized with the power line frequency. It is originally designed to control triac circuits but it c...
sine to square triangle wave – Circuit Schematic
sine to square triangle wave
If you need a triangle wave signal or a square one but you only have a sinewave generator, use this converter to avoid the trouble of beginning from scratch. It...
crystal controlled timebase – Circuit Schematic
crystal controlled timebase
This circuit provides a 50 Hz timebase signal that is independent from the power line frequency. It is designed to provide the 50 Hz signal for electronic circu...
Simple variable frequency oscillator – Circuit Schematic
Simple variable frequency oscillator
Simple variable frequency oscillator. This is a very simple circuit utilising a 555 timer IC to generate square wave of frequency that can be adjusted by a pote...
Square wave generator with CD4070 – Circuit Schematic
Square wave generator with CD4070
Square wave generator with CD4070. with this circuit it can generate square wave up to 2 MHz In this example I use CD4070 CMOS. VDD :....
3-state sound generator with LM556 – Circuit Schematic
3-state sound generator with LM556
3-state sound generator with LM556 . LM556 is a dual timer that can be operated as two LM555. The two timers operate independently of each other sharing only VC...
ULTRA PURE 125KHz SINE WAVE SIGNAL SOURCE – Circuit Schematic
ULTRA PURE 125KHz SINE WAVE SIGNAL SOURCE
ULTRA PURE 125KHz SINE WAVE SIGNAL SOURCE . For some RFID systems, which is at 125KHz, a very low distortion signal source is required. The circuit on this page...
Timer Blox – Circuit Schematic
Timer Blox
The LTC ®6990 is a precision silicon oscillator with a programmable frequency range of 488Hz to 2MHz. It can be used as a fixed-frequency or voltage-controlled...
LT1007/LT1037 Ultrapure 1kHz Sine Wave Generator – Circuit Schematic
LT1007/LT1037 Ultrapure 1kHz Sine Wave Generator
A lamp provides amplitude stability while the very low noise amplifier creates a pure sine wave signal. The R an C values set the oscillator frequency and the f...
Simple variable frequency oscillator circuit – Circuit Schematic
Simple variable frequency oscillator circuit
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1 KHz Sine Wave Generator Circuit – Circuit Schematic
1 KHz Sine Wave Generator Circuit
This is a design circuit for generates a good 1 KHz sine wave adopting the inverted Wien bridge configuration (C1-R3 & C2-R4). It features a variable output, lo...
FM Moulator with IC 555 – Circuit Schematic
FM Moulator with IC 555
FM Modulator circuit is a simple FM modulation circuit using IC 555, where the resulting modulated signal has a tenuous meeting depends on the signal frequency ...
Muscular stimulator circuit – Circuit Schematic
Muscular stimulator circuit
Figure 1 exhibits the circuit with the muscular stimulator. IC 7555 is actually wired just as one astable multivibrator to build about 80Hz pulses. The particul...
clock generator circuit – Circuit Schematic
clock generator circuit
The following diagram is the Clock Generator circuit diagram which build based on NAND Gate logic IC. You may use IC 7400 or 4011 for this circuit. The 7400 is ...
1Hz Clock Generator Circuit with Chip On Board (COB) – Circuit Schematic
1Hz Clock Generator Circuit with Chip On Board (COB)
1Hz Clock Generator Circuit with Chip On Board (COB). The COBs used in different watches may differ somewhat in their configuration. But by trial-and error one ...
Triangular Wave Generator Circuit – Circuit Schematic
Triangular Wave Generator Circuit
The generator embodies an integrator as a ramp generator and a threshold detector with hysterisis as a reset circuit. The integrator has been described in a pre...
wien bridge sine wave oscillator circuit using lm107 – Circuit Schematic
wien bridge sine wave oscillator circuit using lm107
This circuit is that the traditional tungsten filament lamp amplitude regulator is eliminated along with its time constant and linearity problems. In addition, ...