Position: Index > Oscillator Circuit >
  • Basic_quartz_stabilized_oscillator

    2016-08-17 12:14:0359

    This circuit uses a crystal within an amplifier's feedback path to create an oscillator. Although shown as 10 MHz, the circuit works well with a wide v...

  • Varactor-tuned 10 mhz ceramic resonator oscillator

    2016-08-17 12:01:5582

    The FET input amplifier has fixed bias with source feedback. This provides a very high input impedance with very low capacitance. The FET amplifier dri...

  • ASTABLE_OSCILLATOR

    2016-08-17 10:29:1860

    Before power is applied, the input and output are at ground potential and capacitor C is discharged. On power-on, the output goes high (VDD) and C char...

  • Low-frequency-pierce-oscillator

    2016-08-17 09:49:2960

    The Pierce circuit oscillates at 4kHz. At low frequencies, the crystal`s internal series resistance Rs is quite high (45 Kat 4kHz). Therefore, an FET-b...

  • Precision Gated Oscillator Circuit

    2016-08-17 07:19:2859

    A 1-kHz gated oscillator with no long turn-on cycle is show. R2, R3, and D1 preset the voltage on tuning capacitor CI to % of the supply voltage. Repri...

  • 150 To 30000Khz Oscillator

    2016-08-17 07:12:3760

    CI capacitor in series with the crystal may be used to adjust the output frequency of the oscillator. The valu e can range between 20 pF and 0.01 ^iF, ...

  • Four-decade variable oscillator

    2016-08-17 07:10:2960

    The circuit consists of a variable current source that charges a capacitor, which is rapidly discharged by a Schmitt-trigger comparator. The sawtooth w...

  • STRAIN_GAGE_OSCILLATOR

    2016-08-17 07:08:1759

    Produces f-m signal output that is directly proportional to applied force, such as stress or pressure resistive-type gage. Operating and band, edge fre...

  • Crystal Oscillator

    2016-08-17 07:07:2760

    Crystal oscillator, especially the low frequency one, can be easily implemented using op-amp as the amplifier. Here is the schematic diagram of such ci...

  • TRIANGLE_WAVE_OSCILLATOR

    2016-08-17 05:18:4259

    U1-b acts as an integrator while U1-a is a threshold detector. R2 sets the trip level and therefore the amplitude. R3 controls charging current of C1 a...

  • MODIFIED_UJT_RELAXATION_OSCILLATOR_PRODUCES_GLEAN_AUDIO_SINU

    2016-08-17 05:13:5860

    Circuit NotesBy placing a tuned circuit in the UJT oscillator's current-pulse path, a 3750-Hz sinusoid can be created at B2 with the component values s...

  • RC sine wave oscillator circuit

    2016-08-17 04:13:3560

    Common RC sine wave oscillator circuit is RC series-parallel sine wave oscillator circuit. It is also called Wien bridge sine wave oscillator circuit.S...

  • 44MHz quartz crystal oscillator circuit

    2016-08-17 03:58:0660

    The 44MHz quartz crystal oscillator circuit is as shown in figure 1. In order to get the high oscillation frequency, this circuit uses the frequency mu...

  • TTL_ORYSTAL_OSCILLATOR

    2016-08-17 03:44:3859

    Here is an oscillator circuit that uses no L/C components. It uses two sections of a 7400 TTL IC, two resistors, and a crystal to make up a simple and ...

  • 1_MHz_PIERCE_OSCILLATORS

    2016-08-17 02:45:5360

    Simple network design is a key feature of the Pierce circuit, as these 1-MHz oscillators illustrate .Operating the crystal slightly above resonance (Fi...

  • STABLE_SUBCARRIER_OSCILLATOR

    2016-08-17 02:34:5159

    Two Colpitts oscillators, designed for 7,350 cps and 12,300 cps, are used with reactance-type frequency modulation. Input stage of each oscilllator is ...

  • Crystal oscillator using TTL

    2016-08-17 02:03:3159

    This are simple and cheapcrystal oscillator circuit, that we use a few parts comprises a TTL digital numberSN7404(Package contains six inverters), four...

  • Square wave oscillator(741)

    2016-08-17 01:57:0860

    As the picture shows, this is an oscillator of square wave. It can generate the square wave with more than 100 to 1000 Hz frequency. Its frequency can ...

  • Comparator_oscillator_clock_generator

    2016-08-16 23:11:2060

    Fig, 15-36 This self-starting fixed-frequency oscillator gives excellent frequency stability. The frequency is determined by R1/C1, and R2 provides the...

  • The separate excitation crossover oscillator used in four re

    2016-08-16 19:54:5659

    The figure shows the separate excitation crossover oscillator used in four recirculating water lantern controller, the circuit only adopts two sets of ...

  • CMOS_CRYSTAL_OSCILLATOR

    2016-08-16 19:28:0861

    Circuit NotesThis circuit has a frequency range of 0.5 MHz to 2.0 MHz. Frequency can be adjusted to a precise value with trimmer capacitor C2. The seco...

  • Electronic Siren Oscillator Circuit

    2016-08-16 19:02:4060

    An electronic siren including yelp and wail oscillators, means for mixing the signals from the yelp and wail oscillators, and an amplifier output circu...

  • Tuned Collector Oscillator

    2016-08-16 18:40:5760

    Tuned collector oscillator. Tuned collector oscillation is a type of transistor LC oscillator where the tuned circuit (tank) consists of a  transforme...

  • Colpitts harmonic oscillator

    2016-08-16 17:31:3760

    This circuit operates 30-200 ppm above series resonance. Physically simple, but analytically complex It is inexpensive with fair frequency stability. R...

  • Tank Circuit and it's uses in Oscillator

    2016-08-16 17:04:4361

    Tank circuit is basically made by an LC circuit. It is also called a resonant circuit, tuned circuit. It is an electric circuit consisting of a capacit...

  • Oscillator for electronic musical instruments

    2016-08-16 16:58:5261

    The circuit comprises two RC circuits, the value can determine the oscillation frequency. The output rectangular wave voltage is approximately 7.5V. It...

  • 330_MHz_CRYSTAL_OSCILLATOR

    2016-08-16 16:44:3859

    A μPC 16516G IC operates in the fundamental mode with an experimental crystal at 330 MHz. The 56-to-270 pF capacitor is not critical; about + 1-dBm RF...

  • Ultrasonic transducer oscillator circuit

    2016-08-16 16:39:5359

    Allows the transducer to oscillate at its self-resonating point, with no tedious setup. As far as I can tell, the circuit will run on 5V-9V....

  • HARTLEY_JFET_OSCILLATOR

    2016-08-16 16:24:0561

    This simple Hartley JFET oscillator has a built-in zener-diode regulator to condition the power-supply voltage down to 9.1 V. L1 depends on the desired...

  • EASY_START_UP_CRYSTAL_OSCILLATOR

    2016-08-16 16:03:2359

    This low cost, crystal-controlled oscillator uses one TTL gate. Two factors ensure oscillator start-up: The connection of NAND gates G1, G2, and G3 int...

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