silicon diode वाक्य
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- Conrail subsequently swapped out the Ignitrons in all of the remaining units for silicon diodes in the late 1970s and early 1980s, in-house and without any horsepower upgrades.
- Another method that was familiar in discrete-device logic circuits used a diode and a resistor, a germanium and a silicon diode, or three diodes in a negative feedback arrangement.
- General Electric constructed the first 60 E44s ( 4400-4459 ) using Ignitron rectifiers, and the final six units ( 4460-4465 ) with air-cooled silicon diode rectifiers.
- :: : Erm, actually for a silicon diode under forward bias, its resistance is fairly accurately given in ohms by the expression 25 / Ie where Ie is in milliamps.
- Germanium diodes ( or sometimes Schottky diodes ) are used instead of silicon diodes, because their lower forward voltage drop ( roughly 0.3V compared to 0.6V ) makes them more sensitive.
- The voltage drop across a forward-biased P-N junction in an ordinary silicon diode is 0.6v . I'm pretty sure the voltage drops in LED's are comparable.
- For example, a very common choice in texts about circuits using silicon diodes is " V Knee " = 0.7 V . Above the knee, the current continues to increase exponentially.
- It is used to detect recoiled target atoms and scattered beam ions using several detectors namely silicon diode detector, time-of-flight detector, gas ionization detector, etc . Such detectors are described below.
- A silicon diode has a typical forward voltage of 600 700 mV, while the Schottky's forward voltage is 150 450 mV . This lower forward voltage requirement allows higher switching speeds and better system efficiency.
- :: I agree it looks like half a 4148 but replacement depends on what its doing in the circuit : If it is biasing ( or compensating ) a silicon BE junct, then it better be a silicon diode.
- For lower voltages, Schottky diodes are commonly used as the rectifier elements; they have the advantages of faster recovery times than silicon diodes ( allowing low-loss operation at higher frequencies ) and a lower voltage drop when conducting.
- In low voltage converters ( around 10 volts and less ), the voltage drop of a diode ( typically around 0.7 to 1 volt for a silicon diode at its rated current ) has an adverse effect on efficiency.
- The exciter output is rectified by a 3-phase bridge-connected group of silicon diodes which are natural air cooled and accommodated in a bank of nine cubicles located on a platform cantilevered from the side of the foundation block.
- Continuing with the symbols : V _ T is the thermal voltage ( kT / q, about 26 mV at normal temperatures ), and n is known as the diode ideality factor ( for silicon diodes n is approximately 1 to 2 ).
- Modern regulated supplies mostly use a transformer, silicon diode bridge recitfier, reservoir capacitor and voltage regulator IC . There are variations on this theme, such as supplies with multiple voltage lines, variable regulators, power control lines, discrete circuits and so on.
- For Cryogenic temperature measurement down to 30K, PT-100 sensor ( "'resistance temperature detectors "'( "'RTDs "') ) is used, and for lower than 30K it is required to use Silicon Diode for accuracy.
- In fact, some silicon diodes are used as temperature sensors; for example, the CY7 series from OMEGA has a forward voltage of 1.02V in liquid nitrogen ( 77K ), 0.54V at room temperature, and 0.29V at 100 �C.
- The available power for traction is-produced at 600 V AC, and is rectified to DC through two groups of 30 silicon diodes, and eventually supplies six nose suspended traction motors which drive the wheels via a pinion gear at a ratio of 59 : 18.
- The traction alternator usually incorporates integral silicon diode rectifiers to provide the traction motors with up to 1200 volts DC ( DC traction, which is used directly ) or the common inverter bus ( AC traction, which is first inverted from dc to three-phase ac ).
- The'Turbo RAT'pedal uses red LEDs for this purpose ( red LEDs have about a twice as high forward voltage as the original silicon diodes ), while the'You Dirty RAT'pedal uses 1N34A germanium diodes ( clipping at a lower forward voltage ).
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