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Single Gate Relaxation Oscillator
2016-08-31 14:28:5666Below is a relaxation oscillator circuit using a 74HC14, an inverter with a Schmitt trigger input. Its mean that the transition point for an increasing...
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VARYING_FREQUENCY_OSCILLATOR
2016-08-31 12:01:5573Output frequency of alarm tone generator changes continuously. With suitable ampliler and loudspeaker, can easily be heard in noisy environments where ...
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Easy_tune_sine_wave_oscillator
2016-08-31 11:49:1477This circuit provides both sine- and square-wave outputs at frequencies from below 20 Hz to above 20 kHz, by varying R3. R8 sets amplitude.Distortion v...
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20Mhz-vhf-crystal-oscillator
2016-08-31 11:18:2873A typical circuit at 20 MHz is shown. The crystal, which has an internal series resistance Rs of 14ohm, oscillates at its third harmonic. The diode cla...
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The oscillator circuit diagram composed of crystal inverter
2016-08-31 10:48:0174In the circuit, crystal X ( 3.2MHz ) forms the oscillator circuit, after its oscillation output is connected to BCD counter CD4518, it will divide the ...
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OSCILLATOR_OUTPUT_STAGE
2016-08-31 10:11:2462Used with incremental-tuning precision R-C oscillator for testing and aligning equipment having sharp resonances. oscillator signal is fed through phas...
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TRANSDUCER_DRIVEN_CRYSTAL_OSCILLATOR
2016-08-31 10:10:5664Sensitive 70-Mc one-tube oscillator feeds local and remote tank circuits to which capacitive or inductive transducers may be connetted, for conversion ...
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TONE_BURST_OSCILLATOR_AND_DECODER
2016-08-31 09:42:5468A tone burst sent at the beginning of each transmission is decoded (at receiver) by a PLL causing output from pin 3 of logic gate to turn on carrier-op...
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20_MHz_VHF_CRYSTAL_OSCILLATOR
2016-08-31 09:38:5865A typical circuit at 20 MHz is shown. The crystal, which has an internal series resistance RS, of 14 Ω , oscillates at its third harmonic. The diode c...
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Comparator Based Crystal Oscillator
2016-08-31 07:51:1664Although a simple crystal oscillator may be built from one comparator of an LT1720/LT1721, this will suffer from a number of inherent shortcomings and ...
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74HC4060 14-stage binary ripple counter with oscillator
2016-08-31 07:47:3072there is one drawback of using these chips comparing to 8250 chips, as there is no Programmable Baud Rate Generator or any other means of changing spee...
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NE555N Timer Oscillator Circuits
2016-08-31 06:29:1871The NE555N is a highly stable controller capable of producing accurate timing pulses. With a monostable operation, the time delay is controlled by one ...
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CB_CRYSTAL_OSCILLATOR
2016-08-31 05:13:0270Uses low-cost crystal having high series resistance, up to 30 ohms. Provides adequate output to supply most master oscillator-power amplifier applicati...
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THREE_FREQUENCY_AUDIO_OSCILLATOR
2016-08-31 04:58:4968The full circuit diagram for the audio sine-wave generator is shown. Resistors R1 and R2 bias the noninverting (pin 3) input of IC1, and their parallel...
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TOUCH_OPERATED_CODE_PRACTICE_OSCILLATOR
2016-08-31 04:04:2865A touch-operated CPO is shown in the figure. The gates of IC1-a are biased high through the two 22-MΩ resistors (R1 and R2), keeping its output low. G...
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UNIVERSAL_TEST_OSCILLATOR
2016-08-31 03:39:2371Crystal is in feedback path of Pierce oscillator, between base and collector of al, with 2.5-mH RF choke in place of tuned collector circuit. Oscillato...
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How to Use VCO buffer for Isolating Oscillator Circuit
2016-08-31 03:34:1863The article herein describes information on howvoltage controlled oscillator (VCO) buffermay isolate oscillator circuits output problems. The VCO buffe...
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INDUCTION_HEATER_POWER_OSCILLATOR
2016-08-31 03:16:2766Circuit includes power supplies for oscillator and keyer bias.-R. E. Mathews and F. R.Sias, Jr., Testing Space Craft with Induction Heaters, Electronic...
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SIREN_OSCILLATOR
2016-08-31 02:38:3563A CD4093 chip and a few components make up a siren oscillator, which drives power MOSFET T1. A 4-Ω speaker is driven directly from this device. The si...
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Oscillator Buffers
2016-08-31 01:45:4463CMOS buffers added to an op amp oscillator improve performance, largely as a result of nonsymmetry and variability of th e op amp`s output saturation v...
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Wide-Range Crystal Oscillator Circuit
2016-08-31 01:12:0965A circuit using one 7400 TTL10 can use crystals of the fundamental type, from 1 to about 13 MHz. Output is rich in harmonics, making this oscillator us...
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Temperature_compensated_crystal_oscillator
2016-08-31 00:47:5565This circuit uses an LTC1043 to differentiate between a temperature-sensing network and a dc reference. The singla-ended output biases a varactortuned ...
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Synchronized_oscillator
2016-08-30 22:38:3563This circuit shows a line-synchronized oscillator that will not lose lock under noisy line conditions. The circuit is suited to applications that requi...
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Voltage-controlled oscillator circuit
2016-08-30 22:27:1465The voltage-controlled oscillator circuit is as shown in the figure. The input voltage range of the oscillator is 0-10V, the change sensitivity is 1kHz...
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Digitally_programmed_oscillator
2016-08-30 21:52:3966Digitally programmed oscillator. The circuit uses an AD537 monolithic V/F converter and an AD7520 multiplying D/A convener. It is a programmable square...
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CRYSTAL_OR_CAPACITOR_OSCILLATOR
2016-08-30 19:40:3164Gives high stability from 800 kc to 3 Mc, from 0 to 65℃ with either crystal or capacitor. Optimum operating frequency can be found and utilized by ch...
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STABLE_LOWFREQUENCY_CRYSTAL_OSCILLATOR
2016-08-30 19:38:5164Circuit Notes This Colpitts-crystal oscillator IS ideal forlow frequency crystal oscillator circuits。 Ex-cellent stability is assured because the 2N3...
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Multi-output crystal oscillator
2016-08-30 18:34:3963The chart shows the multi-output crystal oscillator. It is mainly composed of three gates of A1, four resistors, two capacitors and a crystal. Rl ~ R4 ...
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FET_PHASE_SHIFT_OSCILLATOR
2016-08-30 16:50:3870Frequency of four-mesh phase-shift oscillator can be varied several cycles around 10 cps, using 2.5-meg pot. Attenuation of four-mesh feedback network ...
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UJT_OSCILLATOR
2016-08-30 16:23:2563When power is connected to the circuit, C1 charges through R1 and R3. When the voltage reaches the UJT gate's (G) threshold voltage (usually around 0.5...
- Tuned Base Oscillator
- VARYING_FREQUENCY_OSCILLATOR
- Variable-duty-cycle-oscillator
- Voltage control TTL symmetric harmonic oscillator circuit
- Pierce crystal oscillator
- temperature stable oscillator
- Voltage control oscillator circuit composed of the Schmitt t
- CMOS_CRYSTAL_OSCILLATOR
- 96_MHz_CRYSTAL_OSCILLATOR
- RC series-parallel frequency selection network oscillator ci
- Ultrasonic transducer oscillator circuit
- Square Wave Oscillator with Minimum Components Count
- The crystal oscillator circuit with frequency in 2MHz
- 1_MHz_PIERCE_OSCILLATORS
- LIGHT_CONTROLLED_OSCILLATOR
- Parallel resonant crystal oscillator composed of Gate circui
- TTL_OSCILLATOR
- Stable Sinusoidal Oscillator Circuit Composed of F007
- Basic JFET Pierce Crystal Oscillator
- FREQUENCY_DOUBLER_AND_CRYSTAL_OSCILLATOR
- 70MHz parallel crystal oscillator
- HIGH_CURRENT_OSCILLATOR
- Voltage control annular oscillator circuit
- CRYSTAL_CONTROLLED_BUTLER_OSCILLATOR
- VERY LOW POWER GATED CRYSTAL OSCILLATORS
- local oscillator circuit with 465KHz difference frequency
- Oscillator for electronic musical instruments
- Drum tone oscillators CIRCUIT (NE5532)
- GATE_DiP_OSCILLATOR_I
- Missing_pulse_detector_using_an_ECG955M_timer_oscillator_chi
- PULSED_OSCILLATOR
- 1Hz generator and 2Hertz oscillator
- Fifth-overtone oscillator
- LF Crystal Controlled Oscillator
- Relaxation Oscillators
- Rf oscillator
- VOLTAGE_CONTROLLED_CRYSTAL_OSCILLATOR
- Keying Oscillator Circuit
- TWO_STAGE_VARIABLE_FREQUENCY_CRYSTAL_OSCILLATOR
- RE_POWERED_SIDETONE_OSCILLATOR
- HIGH_STABILITY_3_35_MC_OSCILLATOR
- RING_OF_FIVE_NEON_OSCILLATOR
- ORYSTAL_OSCILLATOR_WITH_FM_CAPABILITY
- Simple_clock_oscillators
- ADJUSTABLE_SINE_WAVE_AUDIO_OSCILLATOR
- 4224_MHz_CRYSTAL_OSCILLATOR
- 455_kHz_OSCILLATOR
- 50Hz ACCURATE OSCILLATOR CIRCUIT SCHEMATIC DIAGRAM
- Produce Oscillator Applications Using the version of the 555
- Beat Frequency Oscillator (BFO)
- 800Hz Oscillator Circuit
- The voltage-controlled oscillator circuit with triangular an
- Precision pulse oscillator with frequency demodulation circu
- Low Power Oscillator
- DIGITAL_CTCSS_OSCILLATOR
- Voltage_controlled_sine_wave_oscillator_for_up_to_50_kHz
- Oscillator With Quadrature Output Using 567 IC
- MORSE_PRACTICE_OSCILLATOR
- Variable frequency oscillator
- The FET crystal oscillator circuit-inductance feedback oscil
- The LC oscillator circuit for electronic cello
- Crystal oscillator-doubler
- SHOCK_EXCITED_COSINE_WAVE_OSCILLATOR
- 90-125 Mhz Crystal RF Oscillator
- Qrp Sidetone Generator Code Practice Oscillator Circuit
- Colpitts Oscillator
- ASTABLE_OSCILLATORI
- STABLE_START_STOP_OSCILLATOR
- Hartley Oscillator
- Basic RF Oscillator circuit diagram
- The quartz crystal oscillator circuit using NAND gate
- TTL crystal oscillator
- 1 Second Time Base From Crystal Oscillator
- 471_MC_TUNNEL_DIODE_CRYSTAL_OSCILLATOR
- QUADRATURE_OSCILLATOR_USES_MULTI
- 100MHz quartz crystal oscillator circuit
- CASCADED_UJT_RELAXATION_OSCILLATOR_DIVIDER
- Voltage Sensitive Oscillator by 2N4891
- Circuit of Sine wave Oscillator with Ajustable Frequency and
- Tuned Collector Oscillator
- ULTRASONIC_OSCILLATOR_KEYER
- A_SHORTWAVE_PULSED_MARKER_OSCILLATOR
- HIGH_FREQUENCY_MOBILE_OSCILLATOR
- Op-Amp Colpitts Oscillator circuit (LT1191)
- Frequency Modulated Oscillator
- Oscillator / Pipe Locator(4060B)
- RF driver audio oscillator
- 100MHz power oscillator circuit using dual- gate FET
- INEXPENSIVE_OSCILLATOR_IS_TEMPERATURE_STABLE
- The 3-phase square wave signal oscillator
- PROGRAMMABLE_FREQUENCY_SINE_WAVE_OSCILLATOR
- Sensitive Oscillator Circuit Diagram
- COMBINED_R_F_AND_A_F_OSCILLATOR
- FAST_LOW_DUTY_CYCLE_PULSE_OSCILLATOR
- 45MHz FET oscillator circuit
- FEEDBACK_OSCILLATOR
- Feedback oscillator
- The Quartz crystal oscillator circuit
- FM_HF_OSCILLATOR_WITH_NO_VARACTOR
- STRIP_LINE_OSCILLATOR