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Содержание A-SV610PRO

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Страница 41: ...ain The circuit shall have an output proportional of input less switching loss The bias voltage is dependant on R3 value which also defines Q1 emitter output DC voltage Other condition may exist depen...

Страница 42: ...ching voltage Even when the vb base bias voltage reaches near 0vdc the lowest the collector voltage will get is 650mv Such configuration of a transistor is good where a circuit is expected to operate...

Страница 43: ...SV343 A SV240 VIDEO 1 SPEAKER A RECEIVER CLEAR TX SV373 VIDEO 1 SPEAKER A RECEIVER CLEAR TX SV424 A SV640 CD POWER RECEIVER CLEAR TX SV434 CD POWER RECEIVER CLEAR TX SV444 454 VIDEO 1 SPEAKER A RECEIV...

Страница 44: ...board and the first printed wiring board PWB was created Later these became to be known as printed circuit boards PCB s Today almost all electronic assemblies are made with a PCB The PCB itself is us...

Страница 45: ...x Amps x PF 3 PF Input Watts Volts x Amps x 1 732 1 KW Volts x Amps x PF 1000 1 Amps 746 x HP Volts x Eff x PF 1 Eff 746 x HP Volts x Amps x PF 1 PF Input Watts Volts x Amps HP 3 Volts x Amps x 1 732...

Страница 46: ...nd a circuit design employing such technique for the purpose of switching and sensory compare device buffer Fig1 and Fig2 are just to show some of the results that may be found when the value of R3 is...

Страница 47: ...raid If the desoldering braid is not drawing the solder but just seems to push it around the board add a small amount of solder flux to the braid and try it again After most of the solder has been wic...

Страница 48: ...s for the other sides Hot air desoldering tool There are several types of hot air desoldering systems Desoldering tools range from the inexpensive portable pyropen type that uses butane fuel and a cat...

Страница 49: ...move it once you have the corners soldered in place Add a bit of solder flux liquid or paste to the unsoldered pins and then solder the remaining pins Adding the flux allows the molten solder to adher...

Страница 50: ...within the transistor Output should be expected to invert Such configuration may be used as Voltage dependant switching and control such as amplifier bias stage ALC and sensory circuits The ability to...

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