Published:2011/11/28 20:54:00 Author:Ecco | Keyword: Rectangular wave generator
In the circuit, T1, T2 form the oscillator, and T3 is the output stage. Network consists of high-pass filter (C3, C4, R6 + R7) and low-pass filter. Its output is added to T3 base by C6, R8 to get the required rectangular wave oscillation signal collector of T3.
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Published:2011/11/28 21:24:00 Author:Ecco | Keyword: Pulse generator, variable pulse width
Pulse frequency depends on the size of the capacitor C , and it can use 0.1μF or other values according needings. 12KΩ resistor is the load resistor for op-amp open collector. (View)
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Published:2011/11/25 1:14:00 Author:Ecco | Keyword: quartz crystal oscillator , external capacitor
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Published:2011/11/24 21:29:00 Author:Ecco | Keyword: Colpitts oscillator
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Published:2011/11/24 21:26:00 Author:Ecco | Keyword: Digitally controlled , l00kHz , oscillator circuit
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Published:2011/11/24 21:19:00 Author:Ecco | Keyword: Double-T , RC oscillator
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Published:2011/11/25 1:13:00 Author:Ecco | Keyword: RC , phase shift oscillator, adjustable output range
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Published:2011/11/25 1:12:00 Author:Ecco | Keyword: LC oscillator, automatically controlled , output level
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Published:2011/11/25 1:11:00 Author:Ecco | Keyword: Digital controlled , audio oscillator
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Published:2011/11/24 2:10:00 Author:Ecco | Keyword: Dual-tube , quartz crystal oscillator
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Published:2011/11/24 1:55:00 Author:Ecco | Keyword: RF -driven , audio oscillator
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Published:2011/11/24 2:02:00 Author:Ecco | Keyword: Sound level generator
The audio signal frequency generated by the circuit is 1KHz, and its value depends on the three RC network of feedback branch road. Output voltage is about 4.2V when the load resistance is approximately 200Ω , and the output voltage's distortion factor is relative to the amplification factor of the transistors, it generally is between the K = 1 ~ 10%.
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Published:2011/11/24 2:03:00 Author:Ecco | Keyword: lMHz oscillator , TTL gate
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Published:2011/11/24 2:09:00 Author:Ecco | Keyword: 4.59MHz, oscillator, TTL circuit
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Published:2011/11/23 2:33:00 Author:Ecco | Keyword: improving crystal frequency, parallel resonance
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Published:2011/11/23 2:34:00 Author:Ecco | Keyword: Practical, RF signal , oscillator
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Published:2011/11/23 2:35:00 Author:Ecco | Keyword: oscillator, FET tube , transistor
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Published:2011/11/23 2:37:00 Author:Ecco | Keyword: crystal oscillator, CNOS inverter
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Published:2011/11/23 2:36:00 Author:Ecco | Keyword: frequency multiplier , PLL
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Published:2011/11/24 1:55:00 Author:Ecco | Keyword: Ceramic oscillator
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