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  • Audio Amplifier with DC Volume Control (TDA7052B)

    2015-01-05 21:52:25198

    The TDA7052B and TDA7052BT are 0.5 W and 1 W mono Bridge-Tied Load (BTL) output amplifiers with DC volume control. Not only have been designed for use ...

  • TDA7266 7+7W Dual Bridge Amplifier

    2015-01-05 21:37:56940

    The TDA7266 is a 7+7W dual bridge amplifier specially designed for TV and Portable Radio applications. TDA7266 Features (1)Wide supply voltage range (3...

  • LM12 150W audio amplifier

    2015-01-05 21:26:14147

    LM12 operational amplifier can output currents up to 10A. The LM12 in encapsulated in TO-3 with 4 pins, can support up to 800W and has enough internal ...

  • TV Antenna Amplifier Circuit

    2015-01-05 21:25:56212

    A very simple and cheap tv antenna amplifier circuit built with BF961 a NChannel Dual Gate MOS common transistor used for input and mixer stages especi...

  • Preamplifier Powered Dynamic Microphone

    2015-01-05 21:24:4577

    Figure 1 The circuit was designed to provide more efficient output with a dynamic microphone by using a low noise preamplifier. Dynamic Microphone – ...

  • Bench Amplifier

    2015-01-05 21:24:34103

    Description: A small 325mW amplifier with a voltage gain of 200 that can be used as a bench amplifier, signal tracer or used to amplify the output from...

  • 8W Broadband FM RF Amplifier

    2015-01-05 21:22:15205

    8W Broadband FM RF Amplifier Here's 8W broadband FM RF amplifier using 2SC1971 VHF power transistor. The RF Amplifier PCB layout designed for FM broadb...

  • TDA230-25w Bridge Low-frequency Power Amplifier Circuit Diag

    2015-01-05 21:13:49329

    This circuit uses two TDA2030, connected into a bridge circuit, both sides of the circuit structure and parameters are identical. The right of the IC f...

  • Amp with Tone Controls & Soft Switching

    2015-01-05 21:11:11112

    Built around an LM380, this amplifier includes tone controls and electronic soft switching . The soft switching circuitry ensures power is built up gra...

  • Wideband Noise Measurement Test Circuit Amplifier of CA3130

    2015-01-05 21:06:2070

    The circuit diagram below appearsCA3130 test circuit amplifierwhich is used forwideband noise measurement service. It results in 30dB gain for its outp...

  • Distortion Booster

    2015-01-05 21:02:14111

    The following circuit is an distortion booster effect for your electric guitar. I don’t know whether this circuit is really works or not, you may try...

  • NPN Transistor Common Collector Amplifier

    2015-01-05 21:01:33171

    This is circuit of NPN Common Collector Amplifier. This circuit can be used for impedance matching. This circuit similar to the Emitter Follower circui...

  • LM359N video amplifier CIRCUIT (LM359N)

    2015-01-05 20:57:24103

    This article describes the LM359N video amplifier CIRCUIT (LM359N). The content is very simple, very helpful. Components in this article can help you u...

  • LM7121 voltage feedback amplifier and its pin main character

    2015-01-05 20:57:2196

    Operating voltage range is ± 5.0 to ± 15V or a single 5.0 ~ 36V; conversion rate is 1300V/μs; unity gain bandwidth is 175MHz; supply current is 5.3m...

  • The blind source device (LM567 and KD56022) (1)

    2015-01-05 20:44:4192

    The blind always takes a stick to help them avoid obstacles when they are out of homes. As the stick can't be too long, the distance is limited. By ins...

  • The detector amplifier without cooling

    2015-01-05 20:44:1767

    This circuit is a low-noise amplifier, its input isconnected with ORP10 lndium antimonide detector workingunder room temperature . Four low noise trans...

  • 60 W power amplifier

    2015-01-05 20:40:40121

    Thiscircuitisapoweramplifierthathasapowerabout60W.poweramplifiercircuitisverysimpleandthecircuitisverysuitableforthepoweryouuseyourguitaramplifier. tra...

  • High-Side Current Sense Amplifier Coverts 4-20mA Signal to 0

    2015-01-05 20:39:14133

    This is a simple circuit that can be used to convert a 4-20mA signal to a 0V to 5V analog voltage. It is ideal conversion to digital with an analog-to-...

  • NJM2043 dual low-noise op amp and its pin main characteristi

    2015-01-05 20:39:02105

    Input offset voltage is 300μV; bias current is 400nA; Gain Bandwidth Product GB = 14MH ; conversion rate is 6V/μs; noise is 0.4μVRMS; Current consum...

  • How to build 45 Watt Class-B Audio Power Amplifier

    2015-01-05 20:37:09111

    Description These goals were achieved by using a discrete-components op-amp driving a BJT complementary common-emitter output stage into Class B operat...

  • Common emitter amplifying circuit

    2015-01-05 20:34:45106

    Common emitter amplifying circuitThe amplifier's role: amplifiering faint signals (voltage, current, and power) to the required category. The role of e...

  • The power failure protection circuit of the single chip syst

    2015-01-05 20:27:11113

    When the main power is normal, the signal chip machine is powered by VCC5V, at the moment, the VCC5V power supply is charging the battery through D1 an...

  • Small Electret Microphone Pre-amplifier

    2015-01-05 20:27:07119

    The mic pre amp described here is designed to connect a small electret microphone and uses an integrated circuit type NE5532. As you can see, this sche...

  • Compact High-Performance 12V 20W Stereo Amplifier

    2015-01-05 20:26:36220

    Amplifiers which run from 12V DC generally dont put out much power and they are usually not hifi as well. But this little stereo amplifier ticks the po...

  • RF2155 programmable plus power amplifier pin circuit

    2015-01-05 20:20:2678

    RF2155 is the programmable plus amplifier IC, and it is used in 3V handheld systems. It uses advanced GaAs heterojunction bipolar transistor (HBT), and...

  • NFJ TA2024 Amplifier Kit Semifinished Product - Part 6

    2015-01-05 20:15:46102

    I have been making th 2 NFJ TA2020 kit currently in parallel , in relation to the impedance change ( manufacturer unknown ) was left over metallized fi...

  • 1-chip 40 watt amplifier circuit

    2015-01-05 20:08:26210

    This is a compact, easy to build amplifier that uses one IC only but delivers 40 watts of audio power. It is ideal for amplifying audio from your mobil...

  • Discrete Operational Amplifier

    2015-01-05 20:05:1682

    It seems that the poor old op-amp is a device that everyone loves to hate, even the really nice ones that come from Burr-Brown (now Texas Instruments) ...

  • Thermocouple Amplifier using CA3193 circuit diagram

    2015-01-05 19:59:46145

    Above circuit design is thermocouple amplifier circuit using CA3193 operating amplifier. The CA3193 is an excellent choice for use with thermocouples.?...

  • Mixer preamplifier with tone control

    2015-01-05 19:56:46346

    General purpose preamplifier/mixer accepts up to four inputs, has a gain of 1600, and provides bass and treble controls that can be varied ?± 10 dB at...

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