Published:2011/3/30 21:40:00 Author:Ecco | Keyword: Low power consumption, monostable
The circuitry shown as below, it includes a four 2 input port and NOT-gate CD4011 and a CMOS type 555, as a result whether it is inthe timing period of quiescent or high output level, it consumes very low. The portal 3 of CD4011, portal 4 constitute RS trigger. Because the whole circuitry presents in closed cycle, the pulse width is decided by the RC time constant, namely td=the 1.1 R1 C1.
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Published:2011/3/30 21:31:00 Author:Ecco
tda2004 circuit diagram 2 is as below:
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Published:2011/3/30 21:32:00 Author:Ecco | Keyword: Application
The Pinout function and referenced voltage of TDA1521:CSYN: 11V--inverted input 1(L sound channel input)VSYN: positive--going input 1VCH: 11V--consult 1(When OCL connection is 0V, OTL connection is 1/2 Vcc)SCK: 11V--output 1( L sound channel output)DI: 0V--negative electricity input(OTL connect to the earth)DO: 11V--output 2(R sound channel output)MON: 22V--positive electricity inputEXTCLK--positive-going input 2VCC--inverted input 2(L sound channel input) (View)
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Published:2011/3/30 21:19:00 Author:Ecco | Keyword: TTL level, LED
This circuitry could be used to observe the TTL electrical level when there's no cathode-ray oscillograph . 74123 integrated circuit contains two trigger type of monostable harmonic oscillators with input of zero clearing, and they are marked as A1 andA2 in this circuit respectively. When the input level changes, the tmonostable harmonic oscillator will light more light emitting diode. Because single firm extended the pulse width, even if the input brain is very narrow, naked eye can still arguing the brightness of diode. The exhibit explains three light-emitting diodes mean of different states. (View)
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Published:2011/3/29 20:11:00 Author:Ecco | Keyword: Ratio of the unknowns
This circuit is used as the situation of two signals share the same input line, for example, two leds irradiate a single photocell alternately. To measure the ratio of two unknowns, the precision better than 1%. During the period of T1, the input signal is sampled by S2, and storaged in C2, so that to make a comparison with reference voltage, the result of which can be obtained by the amplifier network AFE, added to gain control elements CLM6000. The adjusting signal gain of closed loop is increased, and the denominator of ratio is equal to reference voltage. And the molecular corresponding to T2 multiplied by the same gain, so the output of molecular direct ratio to the needed unknow value B/A .
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Published:2011/3/29 20:01:00 Author:Ecco | Keyword: cadmium nickel storage cell , recharger
CD4541 cadmium nickel storage cell recharger circuit diagram is as below:
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Published:2011/3/29 2:52:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode DM1500LFD5 is as below:
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Published:2011/3/29 2:51:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode HZM27FA is as below:
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Published:2011/3/29 2:49:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode HM5.6FA is as below:
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Published:2011/3/24 3:54:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode HZM6.8MFA is as below:
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Published:2011/3/24 3:48:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode MMBD4448HADW is as below:
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Published:2011/3/24 3:49:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode MMBD4448HAQW is as below:
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Published:2011/3/24 3:50:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode MMBD4448HCDW is as below:
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Published:2011/3/24 3:51:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode MMBD448HCQW is as below:
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Published:2011/3/24 3:51:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode MMBD4448HSDW is as below:
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Published:2011/3/24 3:52:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode MMBD4448HTW is as below:
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Published:2011/3/28 0:55:00 Author:Ecco | Keyword: Differentiator
Differentiator circuitry diagram is as below:
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Published:2011/3/28 0:57:00 Author:Ecco | Keyword: integrator
Integrator circuit diagram is as below:
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Published:2011/3/28 0:58:00 Author:Ecco | Keyword: crystal diode
The internal circuit diagram of crystal diode RKZ6.8MFAKT is as below:
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Published:2011/3/25 4:31:00 Author:Ecco | Keyword: Binary system, decimal system, decoding
The PS7447 BCD code goes to 7 translators can provide 7 total anode figures display. With six inverter RS7404 and binary input indicator constituting of 4 LEDs means that the input takes binary types to represent decimal system 0~9; It's suitable for teaching experiment.
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