Position: Index > Oscillator Circuit >
  • Voltage-Tuned Vhf Oscillator

    2016-08-22 06:30:0261

    This VHF VCO circuit is suitable for 30 to 200 MHz. Q1 can be replaced by a 2N3563 for operation above 100 MHz . LI is chosen to resonate to the desire...

  • Pierce XTAL Oscillator using JFET Circuit Schematic Diagram

    2016-08-22 06:16:2459

    This article describes the Pierce XTAL Oscillator using JFET Circuit Schematic Diagram (2N5484). The content is very simple, very helpful. Components i...

  • Collpitts Oscillator Circuit

    2016-08-22 03:43:3461

    As shown in the figure is a colpitz oscillator circuit. It has a crystal with fundamental frequency of 1499 kHz. Crystal SJT is connected at the ends o...

  • Square wave oscillator as wire tracer

    2016-08-22 02:51:2361

    The tracer works by placing a square-wave signal ?n the line to be traced, The square wave is full of harmonics. ? small radio placed close to a wire c...

  • First-order active phase shift oscillator(F007)

    2016-08-22 02:44:4360

    The chart shows the first-order active phase shift oscillator. In the circuit, A1 and A2 form the first order active phase shifter, and they form loops...

  • 100MHz Varicap Oscillator CIRCUIT (TL7759CP)

    2016-08-22 02:18:5860

    This article describes the 100MHz Varicap Oscillator CIRCUIT (TL7759CP). The content is very simple, very helpful. Components in this article can help ...

  • Voltage_controlled_oscillator_single_supply

    2016-08-22 02:09:2059

    This circuit shows the basic connection for an XR-2207 connected for single-supply operation .The functions and electrical characteristics are as shown...

  • Use the LM386 as the sine wave oscillator circuit

    2016-08-22 00:44:4369

    The driver alcohol detection alarm controller circuit is as shown in the figure. The QM-NJ9 is alcohol gas sensor, if it detects the alcohol odor, the ...

  • Inductance Three-point LC Oscillator Circuit

    2016-08-22 00:36:5360

    The picture 1 is inductance three-point LC oscillator circuit.Inductance coil L1 and L2 is a coil and 2 point is middle tap.If we suppose that the coll...

  • EASILY_TUNED_SINE_SQUARE_WAVE_OSCILLATORS

    2016-08-22 00:24:3961

    This circuit will provide both a sine and square wave output for frequencies from below 20 Hz to above 20 kHz. The frequency of oscillation is easily t...

  • 100_MC_VRAICAP_OSCILLATOR

    2016-08-21 23:47:2559

    Modulator consists of two variable-capacitance diodes in series to r-f and in parallel to audio modulating signals and d-c bias. Frequency deviation is...

  • Code-Practice Oscillator Iii

    2016-08-21 23:05:5559

    Capacitor CI charges through resistor Rl, and when the gate level established by potentiometer R2 is high enou gh, the SCR is triggered. Current flows ...

  • Voltage-tuned NE-602 oscillator circuit

    2016-08-21 22:46:0359

    Figure shows a pair of tuned circuits. The capacitor unit is the variable voltage capacitor diode or varactor VFO circuit. Diode display equivalent of ...

  • The LC oscillator circuit for electronic cello

    2016-08-21 22:03:0761

    This circuit is the improved hartley oscillator circuit, changing the base current can adjust the frequency in a given range. The output signal amplitu...

  • CMOS gate voltage-controlled oscillator circuit

    2016-08-21 21:39:5961

    As it is shown in the figure, two non-gates A1 and A2 form the self-excited multivibrator. The oscillation frequency of the circuit will change with th...

  • The voltage-controlled oscillator circuit with high output a

    2016-08-21 20:56:0561

    The voltage-controlled oscillator circuit with high output amplitude stability is as shown in the figure. In this circuit, the VT2 controls the collect...

  • Low Frequency Oscillator

    2016-08-21 19:21:4560

    Description: A low frequency test oscillator for testing tone controls and experimenting. Circuit Notes: The circuit is a standard wien bridge oscillat...

  • Bifilar oscillator metal detector

    2016-08-21 17:30:3060

    Its performance is not comparable to more advanced commercial products, of course, but it still works. Anyway, during WWII metal detectors based on the...

  • EXPONENTIAL_DIGITALLY_CONTROLLED_OSCILLATOR

    2016-08-21 16:24:1459

    The microprocessor-controlled oscillator has a 8159 to 1 frequency range covering 2.5 Hz to 20 kHz. An exponential, current output IC DAC functioning a...

  • HIGH_STABILITY_OSCILLATORS

    2016-08-21 16:05:4362

    These three high-stability oscillator circuits show the minor, but significant, differences between them: (a) Gouriet-Clapp oscillator with series reso...

  • QUADRATURE_WAVE_OSCILLATOR

    2016-08-21 12:13:5560

    By using a high-frequency quad current-feedback amplifier (the HA5025) as an RC oscillator, four quadrature sine waves can be generated. The HA5025's f...

  • Oscillator / Pipe Locator(4060B)

    2016-08-21 11:35:2459

    This article briefly describes the Oscillator / Pipe Locator (4060B). This principle is easy to understand, but also very practical. Depth understandin...

  • FEEDBACK_LOOP_STABILIZES_A_F_OSCILLATOR_AMPLIFIER

    2016-08-21 10:43:3860

    Wien bridge determines frequency of oscillator, which is combined with amplifier stages to give single oscillator stage having suffident output power t...

  • VOLTAGE_CONTROLLED_TWO_PHASE_OSCILLATOR

    2016-08-21 09:55:2259

    This circuit uses two multipliers for integration-with-contro llable-time -constants in a feedback loop. R2 and R5 will be recognized in the AD534 volt...

  • The oscillator circuit composed of frequency integrator circ

    2016-08-21 09:15:1360

    In the figure is the oscillator circuit composed of frequency integrator circuits. In the circuit, X is the 10.24MHz crystal oscillator. TC5082P contai...

  • 200_MC_VOLTAGE_CONTROLLED_OSCILLATOR

    2016-08-21 06:50:2659

    Uses two tunnel-diodes in astable mvbr to give symmetrical square wave output. Used to produce wide frequency swing with respect to center frequency, l...

  • BACKWARD_WAVE_OSCILLATOR_FILAMENT_SUPPLY

    2016-08-21 05:30:5459

    Provides constant voltage for filament of backward-wave oscillator. Output voltage is compared with fixed reference in d-c amplifier, and difference is...

  • BASIC_OSCILLATOR_CIRCUITS

    2016-08-21 03:58:5463

    Five basic types of LC oscillators are shown. The frequency can be changed by using the formula:where Leffective =equivalent inductance Ceffective =equ...

  • 471_MC_TUNNEL_DIODE_CRYSTAL_OSCILLATOR

    2016-08-21 03:08:3359

    Used in Fire Department service. 0perates within tolerance of quartz crystal from -55 to +85℃ and bias range of 110 to 150 mv for Citizens Band servi...

  • RING_OF_FIVE_NEON_OSCILLATOR

    2016-08-21 02:54:1559

    Can be used for sequential switching, with operating cycles of various lengths at audio and subaudio frequencies. When first turned on, one of lamps fi...

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