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oscillator mcpos400 plus – Circuit Schematic
oscillator mcpos400 plus
This is a UHF oscillator circuit I designed to make use of the Mini-Circuits POS-400+ voltage controlled oscillator chip. By giving it a voltage from 0 to 12V o...
astable multivibrator – Circuit Schematic
astable multivibrator
* 2 x 47k ohm resisters anything from 22k to 100k ohm should work. Value of these changes the timing of blinking (larger the value, slower the blinking)....
Oscillator circuits – Circuit Schematic
Oscillator circuits
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high performance sawtooth generator – Circuit Schematic
high performance sawtooth generator
This is a design for sawtooth generator circuit. The advantage of this circuit is low cost and produces an auxiliary square wave at the same frequency. This cir...
tuned sine wave oscillator circuit – Circuit Schematic
tuned sine wave oscillator circuit
This is a design circuit for sine wave oscillators that will provide both a sine and square wave output for frequencies from below 20 Hz to above 20 KHz. The fr...
ultrasonic transmitter 40khz – Circuit Schematic
ultrasonic transmitter 40khz
40kHZ one ultrasonic transmitter circuit, the F1 ~ F3 three oscillators in the F3 is 40kHZ square wave output, frequency mainly by C1, R1 and RP decided to adju...
pll oscillator for medium wave – Circuit Schematic
pll oscillator for medium wave
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555 timer voltage controlled oscillator – Circuit Schematic
555 timer voltage controlled oscillator
This is a circuit of a voltage-controlled oscillator (VCO) that uses the 555 timer IC as the main component. As expected, the 555 timer is configured as an asta...
wien bridge oscillator circuit – Circuit Schematic
wien bridge oscillator circuit
This is a circuit that is known as wien bridge oscillator circuit. The circuit has positive and negative feedback loop. This circuit is work with control by op ...
tuned sine wave oscillator circuit – Circuit Schematic
tuned sine wave oscillator circuit
This is a design circuit for sine wave oscillators that will provide both a sine and square wave output for frequencies from below 20 Hz to above 20 KHz. The fr...
colpitts crystal oscillator circuit – Circuit Schematic
colpitts crystal oscillator circuit
This is a design schematic of a Crystal Colpitts oscillator can be implemented using a transistor and a parallel mode crystal. This is the figure of the circuit...
solid state tesla coil with 555 timer – Circuit Schematic
solid state tesla coil with 555 timer
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transistor astable multivibrator – Circuit Schematic
transistor astable multivibrator
Assume one of the transistor, say TR1 become conducting at first. Now, since TR1 is conducting, it`s collector emiter voltage should be ideally zero, but any wa...
phase locked loop pll oscillator – Circuit Schematic
phase locked loop pll oscillator
This 860 MHz Phase Locked Loop (PLL) oscillator circuit is for 1200 MHz transverter`s local oscillator with 435MHz rigs. The oscillator circuit uses PLL synthes...
fet low distortion crystal oscillator – Circuit Schematic
fet low distortion crystal oscillator
This is a design circuit for Low Distortion Crystal Oscillator circuit. This circuit generate a sine wave that has low phase noise and distortion. This circuit ...
Spectrum Stalker – Circuit Schematic
Spectrum Stalker
For one thing the Krohn-Hite 5100A VCO takes Zero to -17 VDC to drive the VCO output frequency. But the O-Scope X-axis wants 0 to +5. 7 volts to have the X-axis...
1058 to 1074 mhz vfo oscillator circuit – Circuit Schematic
1058 to 1074 mhz vfo oscillator circuit
I`ve re-drawn it to appearance the Colpitts oscillator added clearly. L is about 1. 5 uH; 19 turns in a T50-6 amount (yellow). The amount of C6 is begin exper...
precision phase locked loop circuit – Circuit Schematic
precision phase locked loop circuit
The precision Phase Locked Loop PLL in this circuit acts very much the same as the basic PLL, with refinements in various places. The flip-flops in the detector...
current controlled oscillator – Circuit Schematic
current controlled oscillator
This circuit was in EDN`s "design ideas" section in the March 5, 2007 issue. It`s a fairly simple circuit and an easy way to investigate how the inductance of a...
Nonlinear Oscillator – Circuit Schematic
Nonlinear Oscillator
The purpose of this experiment is to discover the properties of a nonlinear circuit which closely approximates a driven pendulum. It`s a great introduction to n...