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  • Linear Circuit of Thermistors

    2017-03-14 19:58:4861

    The picture is thermistors linear circuit.This circuit is also constant current source circuit and its same phase input port's benchmark voltage is pro...

  • Dual_linear_regulator_with_high_output_current

    2017-03-14 16:01:0162

    This circuit provides a +15-V and a -15-V output, both of which are capable of delivering 2.5 A. Load regulation is 10 mV at full load. Connection info...

  • LINEAR_INDUCTANCE_METER

    2017-03-14 11:52:2962

    Using the fact that in an RL circuit, the pulse width seen across the inductor is proportional to the inductance, this circuit reads this indirectly on...

  • FAST_ACTING_NONLINEAR_FEEDBACK

    2017-03-14 11:35:0164

    Keeps output variation within 8 db for input level variation of 38 db. Amplifies 100-kc square waves and limits output amplitude without introducing ph...

  • Linear FM 50Watt with BLY90

    2017-03-14 10:50:0061

    A amplifier of force RF for the FM, is always essential for the amateur that wants it strengthens some small transmitter, that likely already it has ma...

  • XR2211 Linear FM Detector

    2017-03-14 09:40:4765

    This is a linear FM detector circuit. This circuit usually is used in telemetry applications and wide range of analog communications. The main part of ...

  • LINEAR_OUTPUT_RAMP

    2017-03-14 07:18:2061

    Provides high frequency stability as required for use in sound synthesizers. Can be synchronized to another oscillator. Uses 555 timer in astable mode,...

  • Optical isolation device transmission linearity improving ci

    2017-03-14 06:54:1460

    It uses negative feedback techniquesto greatly improve the transmission photocoupler linearity.In figure (a), D1 is in the feedback path, the current f...

  • Linear frequency meter

    2017-03-14 05:36:1462

    The 555 is used in a monostable multivibrator circuit that puts out a fixed timewidth pulse which is triggered by the unknown input frequency. Reprinte...

  • Ultra Low Drop Linear Voltage Regulator(IRF540)

    2017-03-14 05:26:5876

    This article describes the Ultra Low Drop Linear Voltage Regulator (IRF540). The principle is very simple, very practical. The circuit components can h...

  • Linear_amplifier_using_wideband_hybrids

    2017-03-14 00:28:4160

    This circuit shows three wideband hybrid amplifiers cascaded to form a linear amplifier. Figure 2-48B shows the hybrid amplifier connections. As shown ...

  • LINEAR_OPTOCOUPLER_CIRCUIT_FOR_INSTRUMENTATION

    2017-03-13 23:43:2363

    A dual optocoupler is used in a configuration which has the same current throughout as the LEDs. Assuming similar optocoupler features the output volta...

  • QRP HF LINEAR AMPLIFIER

    2017-03-13 22:17:4661

    This project was a particular surprise for me in that the BC547 (equiv 2N2222) can be used to build a 500mW linear amplifer covering the entire HF band...

  • The selectable Voltages 6V, 9V, and 12V Linear Voltage Regul

    2017-03-13 21:43:2260

    We can build a multiple voltage power supply 6, 9, and 12V (AC-DC Adapter) with the circuit shown in the following schematic diagram. Not only provide ...

  • Two Way Active Crossover with Linear Phase Response

    2017-03-13 20:43:4262

    Figure 1 The circuit was designed for the purpose of creating an active crossover circuit for 2-way output while having a response that is linear in ph...

  • 16__to_30_MHz_100__140__180_W_linear_amplifier_for_mobile_op

    2017-03-13 18:01:2061

    Figure 2-54A shows the basic circuit for the amplifier, and Fig.2-54B shows the parts list for three verslons of the circuit. All three verslons operat...

  • LINEAR_SAWTOOTH_WITH_SPLIT_TIMING_CAPACITOR

    2017-03-13 17:34:1862

    To compensate for linearity deterioration, timing capacitor of emitter-coupled mvbr is split info two equal parts, and feed, back resistor is connected...

  • ADJUSTABLE_NONLINEAR_RAMP

    2017-03-13 16:34:4961

    Circuit provides predistortion of sweep with concavity or convexity as required to compensate for nonlinearity of circuit being driven, Q1 operates as ...

  • LINEAR_IC_SIREN

    2017-03-13 12:09:1761

    A low-frequency, op-amp oscillator and a VCO, both configured from a single MC3405 dual op amp and dual comparator, are the major components in a siren...

  • Linear voltage ramp generator

    2017-03-13 10:54:4362

    In the monostable mode, the resistor can be replaced by aconstant current source to provide a linear ramp voltage The capacitor still charges from 0 to...

  • 60w Linear Amplifier electronic circuit diagram

    2017-03-13 09:07:4163

    The 60 Watt linear amplifier is simple all solid state circuit using power mosfet IRF840. The IRF series of power transistors are available in various ...

  • Linear FM 50Watt with BLY90

    2017-03-13 08:34:5362

    A amplifier of force RF for the FM, is always essential for the amateur that wants it strengthens some small transmitter, that likely already it has ma...

  • PHASE_SHIFTER_WITH_LINEAR_BIASING

    2017-03-13 07:53:3661

    Frequency range of more than two decades can be obtained from voltage-controlled oscillator when linear biasing is used for phase-shift circuit.-R. A. ...

  • LINEAR_F_M_MODULATOR

    2017-03-12 18:16:4864

    Adding emitter-followers to useable mvbr makes output frequency linear function (within 0.01%) of input voltage for 50% modulation above and below cent...

  • Build A 9 dB, 70cm, Collinear Antenna From Coax

    2017-03-12 18:12:0562

    Build A 9 dB, 70cm, Collinear Antenna From Coax Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repe...

  • VOLTAGE_CONTROLLED_NONLINEAR

    2017-03-12 17:45:1961

    Circuit produces function E0 = Xy/12, where X is input voltage in range of +10 mV to +10 V and Y is analog programming voltage in range of -0.4 V to -1...

  • ISO100 optocoupler linear isolated amplifier circuit diagram

    2017-03-12 15:03:0768

    ISO100 is the optocoupler isolation amplifier. It uses LED to produce coupling light, and the negative feedback of coupling light is added to the input...

  • DC_LINEAR_COUPLER

    2017-03-12 14:13:2160

    The accuracy of direct linear coupling of analog current signals via an optocoupler is determined by the coupler linearity and its temperature coeffici...

  • Linear Optocoupler Circuit

    2017-03-12 11:48:2463

    This linear optocoupler is built with MOC5010 and can be used to isolate a circuit from main grid, audio interface, in medical electronics and many oth...

  • Broadband linear detector circuit

    2017-03-12 10:32:4161

    Broadband linear detector circuit is shown as the chart 1-27. It is used in the millvoltmeter and other linear detector circuits with the bandwidth in ...

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