Position: Index > Oscillator Circuit >
  • 10 Mhz crystal oscillator

    2016-08-26 18:19:4061

    This xtal oscillator is a FET equivalent of a vacuum tube tuned to plate-tuned grid xtal oscillator. Feedback is via the drain to gate capacitance. Par...

  • SINGLE_OP_AMP_OSCILLATOR

    2016-08-26 17:41:0961

    This circuit has a Schmitt trigger and in-tegrator built around one op amp. Timing is controlled by the RC network. Voltage at the inverting input foll...

  • Bubba Oscillator

    2016-08-26 16:52:0761

    Bubba oscillator is another example of phase shift oscillator. The Bubba oscillator takes the advantage of quad op-amp package to get 45 degree phase s...

  • Low frequency crystal oscillator

    2016-08-26 16:40:5077

    This crystal-oscillator circuit uses a 455-kHz crystal. An easy project. Reprinted Url Of This Article: http://www.next.gr/oscillators/crystal/low-freq...

  • Butler emitter follower oscillator

    2016-08-26 14:49:3560

    This circuit operates at or near series resonance. It is a good circuit design with no parasitics It is easy to tune with good frequency stability. Rep...

  • Frequency Modulated Oscillator (1N757)

    2016-08-26 14:36:0362

    This article describes the Frequency Modulated Oscillator (1N757). The content is very simple, very helpful. Components in this article can help you un...

  • STABLE_INDUCTIVE_TUNED_OSCILLATOR

    2016-08-26 13:57:3661

    In frequency-shift keying (FSK) applications, when modulating high data rates, coupling data to the varactor can pose a problem. A duplex filter is nec...

  • Butler emitter follower oscillator 100Mhz

    2016-08-26 13:56:1773

    This circuit has good performance without amplifier has a gain of only one with built-in any parasitics because emitter follower negative feedback to s...

  • VERY LOW POWER GATED CRYSTAL OSCILLATORS

    2016-08-26 12:40:0860

    The circuit gates the output of a continuously operating 32KHz crystal oscillator to the input of a C-MOS buffer when clock pulses are needed. The tech...

  • The voltage-controlled oscillator circuit with triangular an

    2016-08-26 11:54:0760

    The figure shows the voltage-controlled oscillator circuit with triangular and square wave output. This circuit is the oscillator controlled by the vol...

  • Double T Sinusoidal Oscillator with Stable Output Circuit Co

    2016-08-26 06:52:1767

    As shown in the figureis the circuit for double T sinusoidal oscillator with stable output.This circuit uses automatic gain control amplifier LM170 to ...

  • 27255_MC_TUNNEL_DIODE_CRYSTAL_OSCILLATOR

    2016-08-26 06:32:4659

    Operates within tolerance of quartz crystal from -55 to + 85℃ and bias range of 110 to 150 mv for Citizens Band service. - Transistor Manual, Seventh...

  • Two -phase oscillator circuit diagram

    2016-08-26 05:53:0262

    In the circuit, it is composed of op-amps A1 and A2, etc., and the op-amp A1 is a low-pass filter, A2 is an integrator, and each phase lag 90 °, the t...

  • REMOTE_OSCILLATOR_HIGH_FREQUENCY_VFO

    2016-08-26 05:27:2165

    A remote VFO is sometimes used to control a transmitter or receiver. The circuit shown uses an MPF102 FET and is conyolled by a dc voltageat J3. The ta...

  • BUTLER_EMITTER_FOLLOWER_OSCILLATOR_BASIC_CIRCUIT

    2016-08-26 04:44:3660

    Circuit NotesThis circuit operates at or near series resonance. It is a good circuit design with no parasitics. It is easy to tune with good fre-quency...

  • 9_KC_OSCILLATOR_STABILIZER

    2016-08-26 04:22:1160

    Insures 24 w output over temperature range of -20 to +120°F. Zener diode voltage-regulating circuit prevents changes in collector supply voltage of os...

  • High-frequency crystal oscillator

    2016-08-26 03:31:3559

    A high speed oscillator is possible by combining an MECL 10 crystal oscillator with an MECL III frequency doubler as shown. One section of the MC10101 ...

  • Frequency Modulated Oscillator

    2016-08-26 02:22:3361

    This FM oscillator can be used for wireless audio, microphone and part-15 applications where stable frequency modulated oscillators is needed. Lt can b...

  • QUADRATURE__OSCILLATOR

    2016-08-26 01:04:2360

    Addition of diode limiter and positive-feedback resistor to UAF41 universal active filtrer gives precision quadrature oseillator.-Y. J. Wong, Design ...

  • A_SHORTWAVE_PULSED_MARKER_OSCILLATOR

    2016-08-25 21:08:5159

    A useful marker oscillator can be made using an NE555 to pulse the oscillator at an audio rate. This makes it easy to find the signal in the presence o...

  • CASCADED_UJT_RELAXATION_OSCILLATOR_DIVIDER

    2016-08-25 19:17:1761

    Class C Hartley master oscillator serves for synchronizing three basic relaxation oscillators that would otherwise be free-running. Dividers remain loc...

  • 48MHz HCMOS Oscillator

    2016-08-25 17:26:2059

    The figure shows the 48MHzcrystal oscillator composed of HCMOS IC. The fundamental frequency of the crystal is l6MHz, butit works in the third harmonic...

  • Low Distortion Oscillator (2N4416)

    2016-08-25 16:32:3165

    This article describes the Low Distortion Oscillator (2N4416). The content is very simple, very helpful. Components in this article can help you unders...

  • 32.768 KHz oscillator using a watch crystal

    2016-08-25 16:23:2363

    Below are a couple circuits you can use to produce a 32.768 KHz square wave from a common watch crystal. The output can be fed to a 15 stage binary cou...

  • LAST_CYCLE_COMPLETING_GATED_OSCILLATOR

    2016-08-25 16:16:2260

    Regenerative feedback at C enables the oscillator to complete its timing cycle, rather than immediately shutting it off. The IC used was a CD4011AE, al...

  • BLOCKING_OSCILLATOR_TRIGGER_GENERATOR

    2016-08-25 16:00:5960

    Generates relatively narrow pulses at adjustable repetition rate. Audio transformer provides positive feedback.-H. L. Armstrong, Transistorized Trigger...

  • Grid Dip Oscillator (GDO) Instrument

    2016-08-25 15:53:4060

    This is a grid dip oscillator (GDO) circuit developed by Luigi Falcone. This circuit uses seven plug in coils covering 3.0 to 30Mhz. This circuit can b...

  • OSCILLATOR_DOUBLER

    2016-08-25 14:22:5563

    Overtone crystal oscillator circuit that frequency-doubles in transistor can be frequency-modulated or used as stable voltage-controlled crystal oscill...

  • 48_KV_OSCILLATOR_TYPE_CRT_SUPPLY

    2016-08-25 09:48:0859

    One of earliest circuits in which a-f sine-wave oscillator was used as power source. Filter capacitors are significantly smaller than in conventional l...

  • Fundamental-frequency-crystal-oscillator

    2016-08-25 09:38:5761

    For frequencies below 20 MHz, a fundamental-frequency crystal can be used and the resonant tank is no longer required. Also, at this lower frequency ra...

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