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Capacitance negative feedback zigzag wave circuit (3)

Published:2011/11/10 20:44:00 Author:Ecco | Keyword: Capacitance , negative feedback, zigzag wave

Capacitance negative feedback zigzag wave circuit (3)
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Capacitance negative feedback zigzag wave circuit (2)

Published:2011/11/10 20:43:00 Author:Ecco | Keyword: Capacitance , negative feedback, zigzag wave

Capacitance negative feedback zigzag wave circuit (2)
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1000Hz Single-chip sawtooth wave circuit

Published:2011/11/10 20:42:00 Author:Ecco | Keyword: 1000Hz , Single-chip , sawtooth wave

1000Hz Single-chip sawtooth wave circuit
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Low-voltage, low power, programmable crystal oscillator circuit

Published:2011/11/28 20:48:00 Author:Ecco | Keyword: Low-voltage , low power, programmable, crystal oscillator

Low-voltage, low power, programmable crystal oscillator circuit
Features : 1. Its working voltage is low, and it operates with single-supply, 2.0V low operating voltage. 2. Its power consumption is low, and the supply current is 5 μA when it operates at 32kHz, and the current is 130μA when it operates at 1MHz. 3. It has a wide frequency range, operating frequency range is 10KHz ~ 10MHZ, and it is programmable. 4. The external components is few, and it only needs a crystal. 5 It has a good working stability. When it works in the whole operating temperature range, the oscillation frequency has a high stability .Pin and pin functions: HA7210 uses DIP dual in-line package, and it is shown in Figure 15-4 . The pin functions are as follow : pin 1 is the current positive pole; pin 2 is the current positive pole. (View)

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Point signal generator

Published:2011/11/22 2:07:00 Author:Ecco | Keyword: Point signal generator

Point signal generator
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The RF square wave oscillator with the frequency from DC to 20MHz

Published:2011/11/22 2:12:00 Author:Ecco | Keyword: RF , square wave oscillator, DC to 20MHz

The RF square wave oscillator with the frequency from DC to 20MHz
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Single-junction transistor sawtooth generator

Published:2011/11/22 2:08:00 Author:Ecco | Keyword: Single-junction transistor, sawtooth generator

Single-junction transistor sawtooth generator
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Single-junction transistor ladder wave generation circuit

Published:2011/11/22 2:18:00 Author:Ecco | Keyword: Single-junction transistor , ladder wave generation

Single-junction transistor ladder wave generation circuit
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Single-junction transistor square wave generating circuit

Published:2011/11/22 2:17:00 Author:Ecco | Keyword: Single-junction transistor , square wave generating

Single-junction transistor square wave generating circuit
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Single-junction transistor self-excited multivibrator frequency dividing circuit

Published:2011/11/21 2:00:00 Author:Ecco | Keyword: Single-junction transistor, self-excited, multivibrator, frequency dividing

Single-junction transistor self-excited multivibrator frequency dividing circuit
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Program-controlled oscillator

Published:2011/11/21 2:01:00 Author:Ecco | Keyword: Program-controlled oscillator

Program-controlled oscillator
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1850Hz digital integrated circuit oscillator

Published:2011/11/21 1:58:00 Author:Ecco | Keyword: 1850Hz , digital , integrated circuit, oscillator

1850Hz digital integrated circuit oscillator
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Audio frequency noise generator schematic

Published:2011/11/21 1:58:00 Author:Ecco | Keyword: Audio frequency , noise generator

Audio frequency noise generator schematic
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High-frequency noise signal oscillator

Published:2011/11/21 1:56:00 Author:Ecco | Keyword: High-frequency noise , signal oscillator

High-frequency noise signal oscillator
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10Hz ~ 100kHz ramp signal oscillator

Published:2011/11/28 21:03:00 Author:Ecco | Keyword: 10Hz ~ 100kHz , ramp signal oscillator

10Hz ~ 100kHz ramp signal oscillator
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Three-phase output oscillator

Published:2011/11/21 2:14:00 Author:Ecco | Keyword: Three-phase output oscillator

Three-phase output oscillator
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Three-phase square wave signal oscillator circuit

Published:2011/11/21 2:11:00 Author:Ecco | Keyword: Three-phase , square wave, signal oscillator

Three-phase square wave signal oscillator circuit

As shown in Figure 16-4 , a CD4017 is connected as senary counter, and the input clock is 300Hz.VD1 ~ VD9, R1 ~ R3 form the three three-input OR gates, which can respectively get two 50Hz three-phase wave signal with 120 degrees phase difference. A, B, C can obtain three -phase signal, and it is shown in Figure 16-5. (View)