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  • TGS_gas_smoke_detector_using_a_McMOS_gated_oscillator_for_tr

    2016-08-28 13:30:2160

    TGS gas/smoke detector using a McMOS gated oscillator for triac control (courtesy Motorola Semiconductor Products Inc.)....

  • local oscillator circuit with 465KHz difference frequency

    2016-08-28 13:26:4460

    V1 is a frequency converter tube with oscillation and frequency mixing functions. The local oscillator circuit forms a transfomer feedback oscillator c...

  • ULTRASONIC_OSCILLATOR_KEYER

    2016-08-28 10:31:2459

    Generates keying pulses up to 2 sec wide at prf down to 0.1 pps. Oscillator cutoff bias is gated off during pulse operation and switched off during c-w...

  • HIGH_CURRENT_OSCILLATOR

    2016-08-28 09:32:3361

    The oscillator output of the XR-567 can be amplified using the output amplifier and high-current logic output available at pin 8. In this manner, the c...

  • GATE_DIP_OSCILLATOR_II

    2016-08-28 09:31:5562

    Useful for measuring the resonant frequencies of antennas, tuned circuits, and also as a tuned detector, this circuit is a modem variation of the class...

  • VOLTAGE_VARIABLE_90_MC_OSCILLATOR

    2016-08-28 07:54:0061

    Ceramic triode in 18-Mc crystal stage has high short-term stability, yet can be pulled about 2 kc by voltage-variable capacitor C1. Fifth harmonic is a...

  • Oscillator Operation

    2016-08-28 07:29:3459

    How an oscillator operates ? Oscillator Feedback Related Articles BASIC OSCILLATORY CIRCUITS TRANSISTOR PHASE SHIFT OSCILLATOR NEGATIVE RESISTANCE OSCI...

  • LTC6945 Wideband Point-to-Point Radio Local Oscillator

    2016-08-28 06:52:4760

    View Full Size Image View Original Datasheet The LTC6945 is a high performance, low noise, 6GHz phase locked loop (PLL), including a reference divider,...

  • TWO_PHASE_OSCILLATOR

    2016-08-28 06:27:4359

    Unknown signal to be analyzed is multiplied independently by each of two output reference signals, A and B. Oscillator uses two 90° phase-shift networ...

  • Wide frequency oscillator

    2016-08-28 06:01:2559

    An oscillator/amplifier is resistively tunable over a wide frequency range. Feedback circuits containing operational amplifiers, resistors, and capacit...

  • The quartz crystal oscillator circuit using NAND gate

    2016-08-28 05:19:0059

    The circuit uses two 7400 TTL NAND gates, the oscillator frequency can reach 18MHz. Two 820 Ω resistors must be selected by oscillator frequency....

  • Clapp Oscillator

    2016-08-28 03:22:1261

    The Clapp oscillator shown in figure. is a refinement of theColpitts oscillator. The single inductor found in the Colpitts oscillator is replaced by a ...

  • 45MHz FET oscillator circuit

    2016-08-28 02:10:5361

    The circuit's quartz crystal is between the source and drain of field effect transistor. The operating point is determined by the source resistor. Indu...

  • CD4047_CMOS_OSCILLATOR

    2016-08-28 00:46:4359

    This CMOS square-wave oscillator is based on the 4047 multivibrator circuit, which can be used for either monostable ( one-shot ) or astable applicatio...

  • VARIABLE_AMPLITUDE_TUNNEL_DIODE_OSCILLATOR

    2016-08-28 00:06:2760

    Attenuating resistor RA varies magnitude of oscillator swing, so oscillator operates over limited highly linear portion of diode conductance curve.- Tr...

  • Voltage-controlled duty cycle oscillator circuit

    2016-08-27 22:51:5759

    The picture shows the self-excited multivibrator which is composed of 555 timer. FET VTl is used as the voltage-controlled resistor (VVR). Changing the...

  • PLL Oscillator for Medium Wave Application Circuit Schematic

    2016-08-27 22:20:5960

    This article describes the PLL Oscillator for Medium Wave Application Circuit Schematic Diagram (MC145106). The content is very simple, very helpful. C...

  • Drum tone oscillators CIRCUIT (NE5532)

    2016-08-27 21:43:5659

    This article describes the Drum tone oscillators CIRCUIT (NE5532). The principle is very simple, very practical. The circuit components can help you un...

  • Precision pulse oscillator with frequency demodulation circu

    2016-08-27 21:26:1059

    Precision pulse oscillator with frequency demodulation circuit LM567 and multi-stage divider MPl826 is shown as figure....

  • LOCAL_OSCILLATOR_FOR_DOUBLE_BALANCED_MIXERS

    2016-08-27 21:05:0061

    This circuit has an amplifier to supply +10 dBm to an SBL series (Mini-circuits) or similar type doubly-balanced mixer assembly. This circuit has value...

  • The circuit of 100kHz oscillator

    2016-08-27 20:39:4360

    The circuit uses a standard quartz crystal oscillator SQ4804A, and the bias between output frequency and standard frequency does not exceed 100 × 10-6...

  • Low frequency oscillator (flashing shine circuit) circuit 1

    2016-08-27 20:16:2261

    The chart shows a flashing shine circuit, and when the circuit works, twolight-emitting diodes will shine simultaneously. The working principle of the ...

  • FET_VOLTAGE_CONTROLLED_OSCILLATOR

    2016-08-27 20:10:0361

    Produces excellent sine-wave output with good linearity over frequency range of 1,500 to 2,500 cps, for control voltage of 0to 7 V d-c. Circuit is resi...

  • SWEEP_FREQUENCY_CLAPP_OSCILLATOR

    2016-08-27 19:29:3762

    Tank circuit L1-C1-C2-C3 sweeps frequency of transistor Clapp oscillator over range of 5 to 15 Mc when current through bias winding of L1 is varied fro...

  • Stable sine wave oscillator composed of F007

    2016-08-27 18:04:1459

    The chart shows the stable sine wave oscillator circuit. In order to obtain a stable oscillation, it requires a loop gain with 1. If the gain is too la...

  • Overtone_crystal_oscillator_with_operating_range_of_20_MHz_t

    2016-08-27 17:48:0760

    Overtone crystal oscillator with operating range of 20 MHz to 100 MHz depending on crystal selection and tank tuning. VEE is -5.2 volts (courtesy Motor...

  • Tuning fork oscillator

    2016-08-27 16:27:2762

    Figure (a) uses regulator circuit D1 tolimit amplitute, and theinput and output phase-shift tuning fork is 180o.Figure (b)uses transistor saturation to...

  • 8O0_kHz_OSCILLATOR

    2016-08-27 16:05:3359

    National LM3909 IC operating from single 1.5-V cell is used with standard AM radio ferrite antenna coil having tap 4070 of turns from one end, with sta...

  • 1024KHz temperature compensation crystal oscillator circuit

    2016-08-27 15:28:4760

    This circuit SJT is 1024kHz temperature compensation crystal oscillator. Circuit theoryis asshown. Because output signal level of the circuit is low, t...

  • 415_MHz_frequency_modulated_oscillator_using_a_3N204_dual_ga

    2016-08-27 15:15:0163

    415 MHz frequency-modulated oscillator using a 3N204 dual-gate MOSFET. The 3N212 must be selected for IDSS greater than 20 mA (courtesy Texas Instrumen...

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