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  • Oscillator operates from one cell

    2016-08-24 05:39:0659

    The circuit is powered by a single 1.35 V mercury cell and provides a 1 V square-wave output. As shown, the crystal is a tuned circuit between transist...

  • CRYSTAL_CONTROLLED_BUTLER_OSCILLATOR

    2016-08-24 05:22:2560

    Circuit NotcsA typical Butler oscillator (20-100 MHz) uses an FET in the second stage; the circuit is not reliable with two bipolars. Sometimes two FET...

  • 10_KV_R_F_OSCILLATOR_TYPE_CRT_SUPPLY

    2016-08-24 04:59:0160

    Associated regulator controls oscillator output. Considered less desirable than a-f oscillator supplies, which have no r-f radiation problem.-NBS, Hand...

  • TUNABLE_FREQUENCY_OSCILLATORS

    2016-08-24 04:55:0159

    The variable oscillator circuit includes active elements for discharging the timing capacitor CT shown in Fig. 66-7A. A second method is given as in Fi...

  • Quartz Crystal Oscillator

    2016-08-24 04:38:3562

    Quartz Crystal Oscillator Overview Quartz crystal oscillatoris a stable frequency generator using a Quartz Crystal as a resonator. In the crystal oscil...

  • Voltage Control Oscillator with Automatic Trace-Frequency-Wa

    2016-08-24 03:46:4159

    The picture shows the voltage control oscillator with automatic trace-frequency-way composed of MC34025P. The circuit can be used as voltage control os...

  • Tuned Base Oscillator

    2016-08-24 03:31:5460

    When a parallel tuned L-C circuit is placed in the base-to-ground circuit, the oscillator is known as the tuned-base oscillator . The basic circuit of ...

  • Colpitts Crystal Oscillator

    2016-08-24 01:36:4360

    Crystal Colpitts oscillator can be implemented using a transistor and a parallel mode crystal. Here is the schematic diagram of the circuit: In this ci...

  • Two-gate-quartz-oscillator

    2016-08-24 00:32:3259

    A SN7400 quartz crystal and a resistor provide a square-wave output of approximately 3.5 V. The circuit operates reliably at frequencies from 120 kHz t...

  • Op-Amp Colpitts Oscillator circuit (LT1191)

    2016-08-23 23:53:3960

    This article describes the Op-Amp Colpitts Oscillator circuit (LT1191). The content is very simple, very helpful. Components in this article can help y...

  • Ttl-compatible crystal oscillator

    2016-08-23 23:03:1659

    Adjust Rl for about 2 volts at the output of the first gate Adjust Cl for best output. Reprinted Url Of This Article: http://www.next.gr/oscillators/cr...

  • Low-voltage, low power, programmable crystal oscillator circ

    2016-08-23 23:01:0359

    Features : 1. Its working voltage is low, and it operates with single-supply, 2.0V low operating voltage. 2. Its power consumption is low, and the supp...

  • CONTROL_FOR_VOLTAGE_TUNED_OSCILLATOR

    2016-08-23 22:09:2661

    Input d-c control voltage required by SiC varistors of voltage-tuned oscillator is boosted by d-c amplifier stages that produce two control voltages (a...

  • NONLINEAR_VOLTAGE_CONTROLLED_OSCILLATOR

    2016-08-23 21:15:2859

    Use of conventional transistors rather than fet's means that Q1 and Q2 operate in knee region, where frequency does not vary linearly with d-c control ...

  • CARRIER_OSCILLATOR

    2016-08-23 19:38:1360

    Two MOSFETs serve with diode switching arrangement for selecting either upper or lower sideband. Circuit between gates couples oscillator to isolating ...

  • Beat Frequency Oscillator (BFO)

    2016-08-23 19:01:1359

    Beat Frequency Oscillator (BFO) Related Articles OSCILLATOR OPERATION TUNED BASE OSCILLATOR PHASE SHIFT OSCILLATOR COLPITTS OSCILLATOR Use the link OSC...

  • PULSED_OSCILLATOR

    2016-08-23 17:20:2259

    Circuit is pulsed on only when required ,as in tone generators where output is needed only occasionally and power must be conserved. Uses Wien-bridge o...

  • Crystal Oscillator Datasheet

    2016-08-23 16:06:1361

    4 MHz Crystal Oscillator Datasheet Download Acrystal oscillator datasheetis a technical specification related information from a crystal oscillator pro...

  • Overtone crystal oscillator

    2016-08-23 12:43:1459

    The crystal element in this circuit is connected directly between the base and ground. Capacitor Cl is used to improve the feedback due to the internal...

  • QUADRATURE_OUTPUTS_OSCILLATOR

    2016-08-23 11:04:2559

    The XR-567 functions as a precision oscillator with two separate square-wave outputs at pins 5 and 8, that are at nearly quadrature phase with each oth...

  • PRECISION_R_C_OSCILLATOR

    2016-08-23 10:51:1559

    Used in signal generator for testing systems by varying frequency over very small limits, as in aligning filters having sharp resonance curves. Cathode...

  • FREQUENCY_SHIFT_KEYED_OSCILLATOR

    2016-08-23 07:52:0859

    Q1 is Colpitts oscillator at 5 kc and Q2-Q3 is push-pull complementary-emitter amplifier with unity voltage gain. Either switch shorts amplifier, there...

  • IC_precision_oscillator

    2016-08-23 07:26:3259

    This circuit uses an XR-2209 to provide simultaneous triangle and square outputs over a frequency range of 0.01 Hz to 1 MHz, with a typical drift of 20...

  • RESISTANCE_CONTROLLED_DIGITAL_OSCILLATOR

    2016-08-23 06:11:3159

    This very simple, low cost oscillator, is built with two CMOS buffer inverters, two capacitors and a variable resistance. The circuit can work with vol...

  • AM_OSCILLATOR_FOR_WIRELESS_MICROPHONES

    2016-08-23 05:56:3759

    This circuit will generate an AM-modulated signal in the AM broadcast band that can be picked up on a receiver.About 2V of audio input will produce abo...

  • Simple sinusoidal oscillator circuit

    2016-08-23 05:33:5361

    It can change the frequency range, and the oscillating signal is adjusted by potentiometer RP1. Since the output resistance is very low ( 1KΩ),it issu...

  • Half-wave-Duty-cycle-oscillator

    2016-08-23 05:19:3759

    Frequency of oscillation depends on the R1/C1 time constant and allows frequency adjustment by varying R1. Reprinted Url Of This Article: http://www.ne...

  • PIERCE_HARMONIC_OSCILLATOR20_MHz

    2016-08-23 03:12:4559

    Circuit NotesThis circuit has excellent short term frequency stability because the external load tied across the crystal is mostly capacitive rather th...

  • State variable filter SVF Heterogeneous output oscillator

    2016-08-23 02:51:0060

    The figure above adds the averagevalue filter circuit andJFET on the basis ofthe SVF, andJFET is usedas a variable resistor AGC to achieve steady incre...

  • SIMPLE_TRIANGLE_SQUARE_WAVE_OSCILLATOR

    2016-08-23 02:04:1860

    Circuit Notes By making Rr variable it IS possible to alter the operating frequency over a 100 to 1range,Versatile triangle/square wave oscillator ha...

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