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Index 196

The 6sn7 classic wiring circuit

Published:2011/6/20 22:25:00 Author:Seven | Keyword: classic wiring circuit

The 6sn7 classic wiring circuit is shown as above. (View)

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The FU-50 single terminal circuit

Published:2011/6/20 22:40:00 Author:Seven | Keyword: single terminal

The FU-50 single terminal circuit is shown as above. (View)

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The FU29 push-pull circuit

Published:2011/6/20 22:41:00 Author:Seven | Keyword: push-pull circuit

The FU29 push-pull circuit is shown as above. (View)

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The 6N11+6N5 headphone amplifier circuit

Published:2011/6/21 2:07:00 Author:Seven | Keyword: headphone amplifier

The 6N11+6N5 headphone amplifier circuit is shown as above. (View)

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The adv7175 and adv7176 digital video encoding integrated video amplifier circuit

Published:2011/6/19 20:46:00 Author:qqtang | Keyword: video encoding, integrated video amplifier

The adv7175 and adv7176 digital video encoding integrated video amplifier circuit in shown in the figure. (View)

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Operational Amplifier Absorber Circuit

Published:2011/6/14 23:35:00 Author:Robert | Keyword: Operational Amplifier, Absorber

Operational Amplifier Absorber Circuit

The operational amplifier is a device with high gain. By adding deep negative feedback when using, the operational amplifier can get good closed loop characteristic. But the negative feedback circuit always bring phaseshift for high-frequency signals. When this phaseshift get to 180。it would make the negative feedback to be positive feedback, so it would generate parasitic self-oscillation to make the opertaional amplifier unable to work normally. In the low frequency the self-oscillation is mostly generated by common power coupling. This case can be solved by strengthening the decoupling. In the high frequency the self-oscillation is solved by corresponding phase compensation method. (View)

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CD4069 six NOT gates integrated circuit

Published:2011/6/13 6:16:00 Author:Christina | Keyword: six NOT gates, integrated circuit

CD4069 six NOT gates integrated circuit

The CD4069 is designed as one kind of CMOS general six NOT gates integrated circuit that can be used in wide range of applications, and it can be used to form the oscillator, buffer, trigger and inverter.etc. 1.The internal circuit block diagram The CD4069 is in the 14-pin dual-row DIP package, the internal circuit block diagram is as shown in figure 1. Figure 1 The internal circuit block diagram of the CD4069 2.The open resistance between the pins The open resistance between the pins of the CD4069 which is measured by the 500 multimeter is as shown in figure 1. Figure 1 The open resistance between the pins of the CD4069 PS: When you are measuring this resistance, you use the black pen to touch the pin, when the pin recovers the normal position, some times the resistance is 13KΩ, and if you disconnect the pen, the resistance is ∞. (View)

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TV remote control 14 circuit

Published:2011/6/21 8:05:00 Author:John | Keyword: TV remote control

TV remote control 14 circuit
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TV remote control 09 circuit

Published:2011/6/21 9:07:00 Author:John | Keyword: TV remote control

TV remote control 09 circuit
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TV remote control 10 circuit

Published:2011/6/21 9:05:00 Author:John | Keyword: TV remote control

TV remote control 10 circuit
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TV remote control 11 circuit

Published:2011/6/21 8:09:00 Author:John | Keyword: TV remote control

TV remote control 11 circuit
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TV remote control 12 circuit

Published:2011/6/21 8:09:00 Author:John | Keyword: TV remote control

TV remote control 12 circuit
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TV remote control 13 circuit

Published:2011/6/21 8:06:00 Author:John | Keyword: TV remote control

TV remote control 13 circuit
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The AN7114 audio power amplifier circuit

Published:2011/6/20 21:27:00 Author:Seven | Keyword: power amplifier

The AN7114 audio power amplifier circuit
When Vvv=6.0V,THD=10% and RL=8Ω, the output power of AN7114 is 0.6W, the noise output is 3mV.Limit parameters: Vcc=11V, cooling power (without radiators) is 1.2W, which is 2.25W with radiators. The working temperature is -20—70℃, it is suitable for portable radios and stereo equipment as the power amplifier. (View)