ExpEYES/C3/Diode-Rectifier-Transistor/Khasi

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Time Narration
00:01 Khublei. Ngi pdiangsngewbha iaphi sha ka jinghikai halor ka Diode, Rectifier and Transistor.
00:08 Ha kane ka jinghikai, ngin ia pule shaphang:

Ka jingtreikam jong ka PN Junction diode Diode kum u rectifier Ki jinglong jingman jong ka Diode IV Ki jinglong jingman jong ka Light emitting diode (LED) IV Out of Phase inverting amplifier bad Ka Transistor CE.

00:26 Hangne, nga pyndonkam da ka:

ExpEYES version 3.1.0 Ubuntu Linux OS version 14.04.

00:36 Ban bud ia kane ka jinghikai, phi dei ban don ia ka jingtip shaphang ka ExpEYES Junior interface.

Lada phim don, na ka bynta ka jinghikai ba iadei, sngewbha leit sha ka website jong ngi.

00:47 To ngin ia define shwa nyngkong ia u PN junction diode.
00:51 PN junction diode.

Udei u semiconductor device uba ailad ia ka current ba kan iaid lyngba ha kawei ka direction. Ka pynkylla ia u alternating current sha u direct current.

01:03 Ngin ia batai ia ka jingtreikam jong u PN junction diode kum u half wave rectifier.
01:09 Ha kane ka experiment, ngin ia:

Pynkylla ia ka AC signal sha u DC signal ha ka forward bias Pynkylla ia ka AC signal sha u DC signal ha ka reverse bias Filter ia u AC component da kaba pyndonkam ia u capacitor.

01:25 Mynta, ngan batai ia ki circuit connections.

1K resistor lah connect hapdeng u GND bad u A2. PN junction diode lah connect hapdeng u A2 bad SINE. SINE lah connect sha u A1. Hangne SINE kadei ka AC source. Kane kadei ka circuit diagram.

01:46 To ngin ia peit ia ka result ha ka Plot window.
01:49 Ha ka Plot window, nion ha u A1 bad tan sha u CH1. A1 lah assign sha u CH1.
01:56 Nion ha u A2 bad tan sha u CH2. A2 lah assign sha u CH2.
02:01 Pyniaid ia u mSec/div slider ban antad ia ki waves. Ar tylli ki sine waves lah generate.
02:10 Black trace kadei ka original sine wave.
02:13 Red trace kadei ka rectified sine wave. Negative half jong ka red trace lah weng lut baroh, namar ba kadei ka rectified wave.
02:23 Positive half kasdang hadien ba u diode u poi ha u threshold voltage. AC signal ka shah pynkylla sha u DC signal, ha ka forward bias.
02:34 Nion ha u CH1 bad tan sha u FIT.

Nion ha u CH2 bad tan sha u FIT.

02:40 Khmih ia ka voltage bad ka frequency values ha liang kamon jong ka window.
02:45 Haba pynphai ia ka diode connection, ka AC signal ka shah pynkylla sha ka DC signal ha ka reverse bias.
02:52 Ngin ia filter ia ka sine wave da kaba pyndonkam ia u 10uF (micro farad) capacitor. Ha kajuh ka connection, bujli ia u 1K resistor da u 10uF (micro farad) capacitor.
03:04 Kane kadei ka circuit diagram.
03:06 To ngin ia peit ia ka result ha ka Plot window.
03:09 Ha ka Plot window, ngi lah ban iohi ba ka rectified sine wave ka lah shah filter. Hangne, u AC component la khot ripple ha u DC.
03:20 Mynta ngin ia batai ia ka jinglong jingman u diode IV jong u PN junction diode bad LEDs.
03:27 Ngan batai ia ki circuit connections. PVS lah connect sha u IN1 lyngba u 1K resistor.
03:34 IN1 lah connect sha u GND lyngba u PN junction diode.
03:39 Kane kadei ka circuit diagram.
03:41 To ngin ai peit ia ka result ha ka Plot window.
03:44 Ha ka Plot window, nion ha u EXPERIMENTS button. Jied ia u Diode IV.
03:51 EYES:IV characteristics bad Schematic windows ki plie. Schematic window ka pyni ia ka circuit diagram.
04:00 Ha ka EYES:IV characteristics window, nion ha u START button.
04:05 Ka current ha kaba sdang ka neh katjuh hynrei ka kiew katba ka voltage ka kiew sha ka 0.6 volts.
04:13 Nion ha u FIT button.
04:16 Diode equation bad Ideality factor lah pyni. Ki Diode's ideality factor ki iapher hapdeng 1 bad 2.
04:26 Ngin ia bujli ia u diode da u red, green bad white LEDs, uwei pa uwei, ha ka circuit.
04:33 Sngewbha kynmaw ba u LED u thaba tang ha kawei ka direction, lada kam thaba, phai sha ka liang ba mar pyrshah bad sa connect biang sa shisien.
04:43 To ngin ia connect shwa nyngkong ia u red LED ha ka circuit. Kane kadei ka circuit diagram.
04:49 Ha ka Plot window, nion ha u EXPERIMENTS button. Jied Diode IV.
04:56 Ha ka EYES:IV characteristics window, nion ha u START button.

Ha ka diode IV curve, ka current ha kaba sdnag ka neh katjuh hynrei ka kiew katba ka voltage ka kiew sha ka 1.7 volts.

05:11 To ngin ia connect ia u green LED ha ka circuit.
05:15 Ha ka Plot window, nion ha u EXPERIMENTS button. Jied Diode IV.
05:22 Ha ka EYES:IV characteristics window, nion ha u START button.
05:27 Ha u diode IV curve, ka current ha kaba sdang ka neh katjuh hynrei ka kiew katba ka voltage ka kiew sha ka 1.8 volts. Hangne, ka value ka lah ban iapher khyndiat.
05:40 To ngin ia connect ia u white LED ha ka circuit.
05:44 Ha ka Plot window, nion ha u EXPERIMENTS button. Jied Diode IV.
05:51 Ha ka EYES:IV characteristics window, nion ha u START button.

Ha ka diode IV curve, ka current ha kaba sdang ka neh katjuh hynrei ka kiew katba ka voltage ka kiew sha ka 2.6 volts.

06:05 Mynta, ngin ia batai ia u 180 degree out of phase sine waves.
06:10 Ngi lah ban leh ia kane da ka jing invert ia ka output jong ka SINE da kaba pyndonkam ia u amplifier. Hangne, ngi pyndonkam ia u 51K resistor na ka bynta ka amplification.
06:21 Ngan batai ia ki circuit connections.
06:24 A1 lah connect sha u SINE.

51K resistor lah connect hapdeng u SINE bad IN. OUT lah connect sha u A2.

06:35 Kane kadei ka circuit diagram.
06:37 To ngin ia peit ia ka result ha ka Plot window.
06:40 Ha ka Plot window, nion ha u A1 bad tan sha u CH1. A1 lah assign sha u CH1.
06:49 Nion ha u A2 bad tan sha u CH2.

A2 lah assign sha u CH2.

06:54 Pyniaid ia u mSec/div slider ban antad ia ki waves. Ar tylli ki Sine waves ki iapher ha ki phase da 180 degree lah generate.
07:04 Nion ha u CH1 bad tan sha u FIT.

Nion ha u CH2 bad tan sha u FIT.

07:10 Voltage bad frequency values lah pyni ha ka liang kamon.
07:15 Nion kamon jong u mouse ha u CH1. Voltage, frequency bad Phase shift values lah pyni ha trai jong ka window.
07:25 Mynta, ngin ia plot ia u transistor CE (collector emitter) character istic curves.
07:31 Sngewbha pyndonkam ia u 2N2222, NPN transistor. Solder ia ki wires jong u transistor khnang ba u transistor lah ban connect bha ha ka rukom ba biang ha ka ExpEYES kit.
07:44 Ngan batai ia ka circuit connections.

SQR1 lah connect sha u 200K resistor. 200K resistor lah connect sha u base jong u transistor.

07:56 PVS lah connect sha u collector da kaba pyndonkam ia u 1K resistor.

IN1 lah connect hapdeng u 1K resistor bad collector.

08:06 Emitter lah connect sha u GND (ground).

100uF (micro farad) capacitor lah connect hapdeng u 200K resistor bad GND. Kane kadei ka circuit diagram.

08:18 To ngin ia peit ia result ha ka Plot window.
08:21 Ha ka Plot window, Set PVS value kum 3 volts. PVS lah set sha u 3 volts ban ai ia ka internal voltage.
08:31 Nion ha u EXPERIMENTS button bad jied Transistor CE.
08:37 EYES Junior: Transistor CE characteristics bad Schematic windows ki plie.

Schematic window ka pyni ia ka circuit diagram.

08:47 Ha ka EYES Junior: Transistor CE characteristics window, pynkylla ia ka base voltage sha u 1 Volt.
08:55 Nion ha u START button. Collector current ka kiew bad kalong constant.

Collector current ka long marjan sha u 0.3 mA. Base Current kadei 2uA(micro ampere).

09:10 Pynkylla ia ka base voltage sha u 2 Volts bad nion ha u START button. Collector current kadei 1.5 mA
09:19 Base Current kadei 7uA(micro ampere).
09:23 Pynkylla ia ka base voltage sha u 3V bad nion ha u START button. Collector current kadei 2.7mA
09:33 Base Current kadei 12uA(micro ampere).
09:37 To ngin ia batai kyllum.
09:38 Ha kane ka jinghikai, ngi lah pule shaphang:

Ka jingtreikam jong ka PN Junction diode Diode kum u rectifier Ka jinglong jingman jong u Diode IV Ka jinglong jingman jong u LED IV Out of Phase inverting amplifier bad Transistor CE.

09:58 Kum ka assignment-

Thew ia ka intensity jong ka light bad ka variation jong ka na ka tynrai. Kane kadei ka circuit diagram. Ka output kadei ban long ha kane kadur.

10:13 Kane ka video ka kyllum lang ia ka Spoken Tutorial project. Lada phim don ia ka bandwidth, phi lah ban shu download bad peit ia ka.
10:21 Ngi pynlong ia ki workshops da kaba pyndonkam ia ki Spoken Tutorials bad ngi ai certificates. Sngewbha contact sha ngi.
10:28 Ia ka Spoken Tutorial project la bei pisa da ka NMEICT, MHRD, Sorkar India.
10:34 Ia kane ka video lah noh synniang da U Pdiangburom na Shillong. Khublei shibun.

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