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18W Audio Amplifier

Published:2012/12/19 21:28:00 Author:muriel | Keyword: 18W, Audio Amplifier

18W Audio Amplifier
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Preamp Circuit diagram

Published:2012/12/19 21:21:00 Author:muriel | Keyword: Preamp Circuit diagram

Preamp Circuit diagram
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Mini-MosFet Audio Amplifier

Published:2012/12/19 21:21:00 Author:muriel | Keyword: Mini-MosFet, Audio Amplifier

Mini-MosFet Audio Amplifier
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Modular Headphone Amplifier

Published:2012/12/19 21:18:00 Author:muriel | Keyword: Modular Headphone Amplifier

Modular Headphone Amplifier
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Modular Phono Preamplifier

Published:2012/12/19 21:18:00 Author:muriel | Keyword: Modular Phono Preamplifier

Modular Phono Preamplifier
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Modular Preamplifier Tone Control

Published:2012/12/19 21:17:00 Author:muriel | Keyword: Modular Preamplifier, Tone Control

Modular Preamplifier Tone Control
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Modular Preamplifier Switching Center

Published:2012/12/19 21:16:00 Author:muriel | Keyword: Modular Preamplifier , Switching Center

Modular Preamplifier Switching Center
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Modular Preamplifier Control Center II

Published:2012/12/19 21:15:00 Author:muriel | Keyword: Modular Preamplifier, Control Center II

Modular Preamplifier Control Center II
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Modular Preamplifier Control Center

Published:2012/12/19 21:15:00 Author:muriel | Keyword: Modular Preamplifier, Control Center

Modular Preamplifier Control Center
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45 Watt Class B Amplifier

Published:2012/12/19 21:13:00 Author:muriel | Keyword: 45 Watt, Class B Amplifier

45 Watt Class B Amplifier
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High input impedance rapidly inverting amplifier circuit diagram

Published:2012/12/19 2:43:00 Author:Ecco | Keyword: High , input impedance, rapidly , inverting amplifier

High input impedance rapidly inverting amplifier circuit diagram
The circuit uses FX101 high gain op amp, A1 is a rapid voltage follower, A2 is an inverting amplifier with the gain of 1. The circuit response time is short, frequency bandwidth is wide, voltage slew rate is up to 10V/μs. (View)

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Basic feedback amplifier circuit diagram

Published:2012/12/19 2:40:00 Author:Ecco | Keyword: Basic feedback amplifier

Basic feedback amplifier circuit diagram
The circuit consists of unipolar and bipolar transistors, voltage isconnected to negative feedback in series, and input impedance is high while output impedance is low, and the closed-loop gain is adjustable. This circuit structure is applicable for low-frequency or high-frequency signals, when the high-frequency signal works,it requires ceramic capacitors or polyester capacitors with low capacity to connect to the capacitors shown in figure in parallel, and it selects high-frequency transistors. (View)

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Audio mixer amplifier circuit diagram

Published:2012/12/19 1:26:00 Author:Ecco | Keyword: Audio mixer amplifier

Audio mixer amplifier circuit diagram
The audio mixer amplifier is a four-input audio mixer amplifier, and the output voltage is equal to the respective input signal. If the voltage gain is greater than 1, the value of R6 may be changed. (View)

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The new electronic fractional frequency power amplifier circuit diagram

Published:2012/12/19 2:25:00 Author:Ecco | Keyword: electronic, fractional frequency, power amplifier

$The new electronic fractional frequency power amplifier circuit diagram$
The circuit uses integrated power amplifier driver XG404. It can also achieve good characteristics of the filter divider while making power amplification, so it is a relatively ideal fidelity power amplifier. The rated output power without distortion ( harmonic distortion is less than 5% ) is 24W. The cutoff frequency on bass channel filter is 300Hz, C1 = 2C2 , C2 = 0.16μF, then R = 25KΩ, AU = ( R1 + RF ) / R1 = 100 ( FIG RF = 10KΩ , R1 = 100Ω ), and the cutoff frequency depends primarily on the coupling capacitor. (View)

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AC amplifier circuit diagram to offset large DC offset

Published:2012/12/19 2:00:00 Author:Ecco | Keyword: AC amplifier , offset, large DC offset

AC amplifier circuit diagram to offset large DC offset
This circuit is used to amplify low VLF signals with high to 250KHz and a large dc component. The gain of amplifier NE540L is 101, NE536T's Merits stream gain is 1, and it constitutes a part of low-pass network which can connect the DC input offset voltage to the inverting input terminal of the gain amplifier as common voltage, thereby suppressing the DC offset. (View)

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INA321/322 amplifier circuit diagram using feedback capacitor to improve dynamic characteristics

Published:2012/12/18 1:48:00 Author:Ecco | Keyword: amplifier , feedback capacitor , improve, dynamic characteristics

INA321/322 amplifier circuit diagram using feedback capacitor to improve dynamic characteristics
The both ends of the feedback resistor RF are connected to feedback capacitor CF in parallel, it is used to compensate for the feedback resistor, RG input equivalent capacitance and the effect on high - frequency signal from circuit board stray capacitance, so that the circuit has the best fast settling time. Output ( 6 feet ) end is connected to Rx, CL to reduce high-frequency noise, CIN is equal to INA321/322 input capacitance ( 3pF) and stray capacitance. RIN · CIN = RF · CF. (View)