Published:2011/5/9 3:29:00 Author:Rebekka | Keyword: FM tuner RF amplifier
Figure shows the FM tuner HP amplifier circuit instance. The amplifer signal frequency is 70 ~ 9OMHZ. When the signal frequency is 90MHZ. It is better to uses 10OOpF ceramic capacitor for decoupling capacitors. In addition, in order to increase the effect of the bypass capacitor in the high frequency circuit. The capacitor lead line should be as short as possible. (View)
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Published:2011/5/12 0:57:00 Author:Borg | Keyword: Intergrated Circuit, Sound Signal, Busy Noise
HA16830F is a specialized intergrated circuit produced by Hitachi, Japan, which can test and rectify busy noise of 400HZ and test conversationa sounds.
1.function features
HA16830 fulfills functions of testing the answering phone terminals, whose working voltage ranges 4.5-6.6V, typical working voltage is 5V.
2.pin functions and data
HA16830 is packaged in FP-2ON.
3.typical application circuit
HA16830F is a partial circuit of intelligent emegency calling systems, which is used by homes, the core of it is to test all the indoor sensors in turn and control them by using PICl6C55.
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Published:2011/5/12 1:45:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:45:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:44:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:44:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:44:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:43:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:45:00 Author:Nicole | Keyword: multimeter
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Published:2011/5/12 1:40:00 Author:Ecco | Keyword: Dongfeng, Peugeot Citroen Picasso , 1.6L engine , cooling system
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Published:2011/5/12 1:39:00 Author:Ecco | Keyword: Dongfeng , Peugeot Citroen Picasso , 2.0L engine , coolant temperature
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Published:2011/5/12 1:37:00 Author:Ecco | Keyword: Dongfeng , Peugeot Citroen Picasso , 1.6L engine , oil pressure
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Published:2011/5/12 1:28:00 Author:Ecco | Keyword: Honda Accord , 4-cylinder engine , control system
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Published:2011/5/12 1:36:00 Author:Ecco | Keyword: Dongfeng, Peugeot Citroen Picasso, 1.6L engine , jet ignition
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Published:2011/5/12 0:58:00 Author:Ecco | Keyword: Dongfeng, Peugeot Citroen Picasso , 2.0L engine , jet ignition
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Published:2011/5/12 1:35:00 Author:Ecco | Keyword: Accord ABS
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Published:2011/5/12 1:29:00 Author:Ecco | Keyword: Honda Accord, engine, control system
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Published:2011/5/12 1:33:00 Author:Ecco | Keyword: Bipolar offset adjusting
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Published:2011/5/12 1:32:00 Author:Ecco | Keyword: Zero input , unipolar offset adjusting
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Published:2011/5/12 1:15:00 Author:Ecco | Keyword: Monolithic , 3 1/2-bit, automatically converted , measuring range , digital multimeter
Monolithic 3 1/2-bit automatically converted measuring range digital multimeter circuit diagram composed of ICL7149 3 3 / 4 dual integrating A / D converter is shown as the chart.
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