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XTal Testers – Circuit Schematic
XTal Testers
This is a simple XTal tester circuit. T1 and XTal have formed an oscillator. C1 and C2 are voltage divider for oscillator. if the XTal is safe, the oscillator w...
Adjustable High/Low Frequency Sine wave generators – Circuit Schematic
Adjustable High/Low Frequency Sine wave generators
This circuit uses the versatile MAX038 function generator. Although in this circuit some of the advanced characteristics of this IC are disabled, you can genera...
Low-distortion Audio-range Oscillators – Circuit Schematic
Low-distortion Audio-range Oscillators
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Self-powered Sine to Square wave Converters – Circuit Schematic
Self-powered Sine to Square wave Converters
This circuit is intended to provide good square waves converting a sine wave picked-up from an existing generator. Its major feature consists in the fact that n...
1KHz Sinewave Generators – Circuit Schematic
1KHz Sinewave Generators
This circuit generates a good 1KHz sinewave using the inverted Wien bridge configuration (C1-R3 & C2-R4). Features a variable output, low distortion and low out...
Reverse Bias Oscillators – Circuit Schematic
Reverse Bias Oscillators
There are a number of npn transistors that will oscillate in the audio range when reverse biased. Minimum supply voltage is 7V for low power transistors such as...
Low Frequency Oscillator – Circuit Schematic
Low Frequency Oscillator
A low frequency test oscillator for testing tone controls and experimenting.....
Commodore 64 Clock Circuits – Circuit Schematic
Commodore 64 Clock Circuits
Crystal Y1 develops a 14. 31818MHz fundamental frequency clock signal. U31 is a Dual Voltage Controlled Oscillator. The output on pin 10 is a 14. 31818 MHz cloc...
colpitts oscillator – Circuit Schematic
colpitts oscillator
I thought I would try to use a standard telephone earpiece`s inductance as the L of a Colpitts oscillator, and in so doing eliminate the need for a separate amp...
3 phase sinewave generator – Circuit Schematic
3 phase sinewave generator
I would have assumed that anyone interested in building one of these would have a reasonable understanding of electronics in general and the use of operational ...
Ultra Low Voltage Nanopower Lc (colpitts) Oscillator Circuit – Circuit Schematic
Ultra Low Voltage Nanopower Lc (colpitts) Oscillator Circuit
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Ultra Low Voltage Micropower Crystal Oscillator Circuit – Circuit Schematic
Ultra Low Voltage Micropower Crystal Oscillator Circuit
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SM5021 Crystal Oscillator Module IC – Circuit Schematic
SM5021 Crystal Oscillator Module IC
The CF8223A is a FSK (Frequency shift keying) decoder and DTMF (Dual Tone multi-frequency) receiver IC. It is fabricated using a CMOS process and features a pow...
SEL2411AA Crystal Clock Oscillator 3.3 & 5V High Frequency ECL – Circuit Schematic
SEL2411AA Crystal Clock Oscillator 3.3 & 5V High Frequency ECL
SI2171 is a sub package of SI2170, If you need see the description, please click SI2170. If you need SI2171`s datasheet, please download it from below. By Silic...
SM5023 Crystal Oscillator Module IC – Circuit Schematic
SM5023 Crystal Oscillator Module IC
SEL2411AA is a sub package of SEL2410, If you need see the description, please click SEL2410. If you need SEL2411AA`s datasheet, please download it from below. ...
OCXOW-AR1 OCXOW Oven Controlled Crystal Oscillator – Circuit Schematic
OCXOW-AR1 OCXOW Oven Controlled Crystal Oscillator
The OPB350 series liquid Sensor is designed to work with 1/16 [1. 6mm] 1/8 [3. 2mm], 3/16 [4. 8 mm] and 1/4 [6. 3 mm] outside diameter clear tubes. When output ...
LT1684CN Micropower Ring Tone Generator – Circuit Schematic
LT1684CN Micropower Ring Tone Generator
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LM331 Precision Voltage-to-Frequency Converter – Circuit Schematic
LM331 Precision Voltage-to-Frequency Converter
The LM3361A contains a complete narrow band FM de- modulation system operable to less than 2V supply voltage. Blocks within the device include an Oscillator mix...
Hv440: High Voltage Ring Generator – Circuit Schematic
Hv440: High Voltage Ring Generator
The HV739 is a monolithic single channel, high-speed, high voltage, ultrasound transmitter pulser. This integrated, high performance circuit is in a single, 5x5...
Design Of Op Amp Sine Wave Oscillators – Circuit Schematic
Design Of Op Amp Sine Wave Oscillators
The HV732 is a complete, high-speed, high voltage ultra- sound transmitter pulser. This high performance CMOS in- tegrated circuit (IC) is in a single 7x7x0. 9m...