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Pierce oscillator – Circuit Schematic
Pierce oscillator
The oscillator transistor is Ql, and the crystal is placed between the collector and base. Feedback is improved by the use of the collector-emitter capacitor C2...
Crystal-controlled oscillator – Circuit Schematic
Crystal-controlled oscillator
This circuit oscillates without the crystal. With the crystal in the circuit, the frequency will be that of the crystal...
Colpitts oscillator – Circuit Schematic
Colpitts oscillator
This circuit will operate with fundamental-mode crystals in the range of 1 MHz to 20 MHz. Feedback is controlled by capacitor voltage divider C2/C3...
Miller oscillator – Circuit Schematic
Miller oscillator
The drain of the JFET Miller oscillator is tuned to the resonant frequency of the crystal...
Precision clock generator – Circuit Schematic
Precision clock generator
The CMOS IC directly drives 5 TTL loads from either of 2 buffered outputs...
Tube-type crystal oscillator – Circuit Schematic
Tube-type crystal oscillator
The pilot lamp limits current to prevent damage to the crystal...
Pierce harmonic oscillator – Circuit Schematic
Pierce harmonic oscillator
This circuit operates 10-40 ppm above series resonance...
Butler common base oscillator – Circuit Schematic
Butler common base oscillator
This circuit operates at or near series resonance...
Butler emitter follower oscillator – Circuit Schematic
Butler emitter follower oscillator
This circuit operates at or near series resonance. It is a good circuit design with no parasitics...
Colpitts harmonic oscillator – Circuit Schematic
Colpitts harmonic oscillator
This circuit operates 30-200 ppm above series resonance. Physically simple, but analytically complex...
Butler emitter follower oscillator 100Mhz – Circuit Schematic
Butler emitter follower oscillator 100Mhz
This circuit has good performance without amplifier has a gain of only one with built-in any parasitics because emitter follower negative feedback...
Crystal oscillator – Circuit Schematic
Crystal oscillator
International Crystal OF-1 LO oscillator circuit for fundamental-mode...
Colpitts harmonic oscillator 100Mhz – Circuit Schematic
Colpitts harmonic oscillator 100Mhz
L1C1 are selected to be resonant at a frequency below the desired crystal harmonic but above the crystal"s next lower odd harmonic. C2 should have a value of 30...
Pierce harmonic oscillator 20Mhz – Circuit Schematic
Pierce harmonic oscillator 20Mhz
This circuit has excellent short term frequency stability because the external load tied across the crystal is mostly capacitive rather than resistive...
Temperature-compensated crystal oscillator – Circuit Schematic
Temperature-compensated crystal oscillator
Two different negative-coefficient capacitors are blended to produce the desired change in capacitance to counteract...
Cmos crystal oscillator – Circuit Schematic
Cmos crystal oscillator
This circuit has a frequency range of 0 MHz to 2 MHz. Frequency can be adjusted to a precise value with trimmer capacitor C2...
Crystal checker – Circuit Schematic
Crystal checker
This circuit is a simple Pierce oscillator with an LED go/no go display...
Third-overtone crystal oscillator – Circuit Schematic
Third-overtone crystal oscillator
This circuit uses a 74S00 Schottky TTL gate...
96Mhz crystal oscillator – Circuit Schematic
96Mhz crystal oscillator
This circuit provides reliable oscillation and an output dose to one volt peak-to-peak...
Low frequency crystal oscillator – Circuit Schematic
Low frequency crystal oscillator
This crystal-oscillator circuit uses a 455-kHz crystal....