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Author Topic: 1-to-3 transistor circuit design projects  (Read 14984 times)

Offline rommelpm

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Re: 1-to-3 transistor circuit design projects
« Reply #80 on: August 07, 2008, 08:48:11 PM »
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Re: 1-to-3 transistor circuit design projects
« Reply #80 on: August 07, 2008, 08:48:11 PM »

Offline paranz

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Re: 1-to-3 transistor circuit design projects
« Reply #81 on: August 07, 2008, 10:43:49 PM »
try ko gumawa later ng complete FM transmitter/receiver, using discrete transistors...

problema ko lang is lack of inductors, audio transformers, and IF cans... Wala kasi dito sa amin..
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Re: 1-to-3 transistor circuit design projects
« Reply #81 on: August 07, 2008, 10:43:49 PM »

Offline Cute_Worm_1983

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Re: 1-to-3 transistor circuit design projects
« Reply #82 on: August 07, 2008, 11:25:59 PM »



electronic buzzer, quiet simple pero useful siya.
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Re: 1-to-3 transistor circuit design projects
« Reply #82 on: August 07, 2008, 11:25:59 PM »

Offline marcelino

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Re: 1-to-3 transistor circuit design projects
« Reply #83 on: August 07, 2008, 11:28:45 PM »
multivibrator... dalawa lang.
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Re: 1-to-3 transistor circuit design projects
« Reply #83 on: August 07, 2008, 11:28:45 PM »

Offline danny

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Re: 1-to-3 transistor circuit design projects
« Reply #84 on: August 08, 2008, 09:24:23 AM »
Quote from: rommelpm on August 07, 2008, 08:48:11 PM
my audio amplifier projects:

40 W rms:


see other links:

35 W rms:
http://img181.imageshack.us/img181/7941/amp35wyt0.jpg

150 W rms:
http://img181.imageshack.us/img181/5657/amp50wcp2.jpg

150 W rms:
 
http://img93.imageshack.us/img93/1895/amp150wep2.jpg

 ;) ;)



yung 35 watts na amp mo? nagawa mo na ba un or
by paper lang?, kinda curious sa design, parang may flaw
pero im not sure yet, I just glance to it.
anyway, thanks for posting.
I hope we can exchange some Ideas sometime.

I am in the process of designing small wattage amps
to higher wattage. It will take me a while coz I am doing it
on my free time. :)
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danny

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Re: 1-to-3 transistor circuit design projects
« Reply #84 on: August 08, 2008, 09:24:23 AM »

Offline j a y k e z

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Re: 1-to-3 transistor circuit design projects
« Reply #85 on: August 08, 2008, 11:06:24 AM »
parang type ko po etong gawin ahehehe

tested mo na po ba ito bossing?
mga ilan naman po kaya ang magagastos sa circuit na to?
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Offline danny

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Re: 1-to-3 transistor circuit design projects
« Reply #86 on: August 08, 2008, 11:10:25 AM »
nde naman cguro kamahalan kc
konti lang naman ang parts. very simple.
na test na kaya ni rommel ito.
pwede mo simulate para maka cgurado ka. :)
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danny

Offline RaffT

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Re: 1-to-3 transistor circuit design projects
« Reply #87 on: August 08, 2008, 08:45:35 PM »
Quote from: marcelino on August 07, 2008, 11:28:45 PM
multivibrator... dalawa lang.

OT:

 yung sa VIBRATOR, ilan??? ;D
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Offline RaffT

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Re: 1-to-3 transistor circuit design projects
« Reply #88 on: August 08, 2008, 08:48:29 PM »
Quote from: bulate1983 on August 07, 2008, 11:25:59 PM


electronic buzzer, quiet simple pero useful siya.

di pa ako nakapag bukas ng mga electronic buzzer.. I wonder if gagana rin yang discretes with a 3 "connection" piezo...
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Offline Cute_Worm_1983

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Re: 1-to-3 transistor circuit design projects
« Reply #89 on: August 08, 2008, 09:01:55 PM »
^ yung nasa market na electronic buzzer, halos parehas sila ng circuit. yung iba buzzer na buksan ko, kalimitan 3 pins ang piezo.

 
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Offline rdpzycho

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Re: 1-to-3 transistor circuit design projects
« Reply #90 on: August 09, 2008, 12:13:00 AM »
Quote from: -=Rafft=- on August 08, 2008, 08:45:35 PM
OT:

 yung sa VIBRATOR, ilan??? ;D

walang transistor dun. switch lang. ;D
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Offline Cute_Worm_1983

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Re: 1-to-3 transistor circuit design projects
« Reply #91 on: August 09, 2008, 12:25:22 AM »
^ mukhang ibang vibrator yan ah!  :o ;D :o
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Offline rdpzycho

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Re: 1-to-3 transistor circuit design projects
« Reply #92 on: August 09, 2008, 12:33:38 AM »
 ;D ;D ;D
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Offline danny

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Re: 1-to-3 transistor circuit design projects
« Reply #93 on: August 09, 2008, 08:34:00 AM »
Quote from: bulate1983 on August 09, 2008, 12:25:22 AM
^ mukhang ibang vibrator yan ah!  :o ;D :o

hahaha iba atang vibrator na itong naiisip mo ah
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Offline j a y k e z

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Re: 1-to-3 transistor circuit design projects
« Reply #94 on: August 09, 2008, 10:36:52 AM »
Quote from: danny on August 09, 2008, 08:34:00 AM
hahaha iba atang vibrator na itong naiisip mo ah


vibrator ng cellpon ahahah ang liit noh :D
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Offline danny

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Re: 1-to-3 transistor circuit design projects
« Reply #95 on: August 09, 2008, 10:40:20 AM »
naku ang liit nun hehehhehe ;D
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Offline RaffT

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Re: 1-to-3 transistor circuit design projects
« Reply #96 on: August 09, 2008, 10:48:46 AM »
nyahahha OT na tayo lahat ;D

back to topic... :) pwede rin ang 1 transistor Light detector or commonly known as phototransistor

 hehehe I bet nalimutan na ninyo ito ano?? heheheheheheheh

 open the top of a 2N3055 transistor, ok na yan...
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Offline 0b00000111

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Re: 1-to-3 transistor circuit design projects
« Reply #97 on: August 09, 2008, 10:57:27 AM »
Quote from: rdpzycho on August 09, 2008, 12:13:00 AM
walang transistor dun. switch lang. ;D

hehehehe.. yung iba may control knob para mavary yung intensity ;D ;D ;D siguro gumamit sila ng PWM doon ;D ;D ;D
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Offline RaffT

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Re: 1-to-3 transistor circuit design projects
« Reply #98 on: August 09, 2008, 10:59:13 AM »
Quote from: Cute_7 on August 09, 2008, 10:57:27 AM
hehehehe.. yung iba may control knob para mavary yung intensity ;D ;D ;D siguro gumamit sila ng PWM doon ;D ;D ;D

hhhmmmmm BAKIT ALAM MO??? hehehehehe ;D
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Offline 0b00000111

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Re: 1-to-3 transistor circuit design projects
« Reply #99 on: August 09, 2008, 11:08:17 AM »
;D ;D ;D nabasa ko lang sa newspaper yan ;D ;D ;D
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Re: 1-to-3 transistor circuit design projects
« Reply #99 on: August 09, 2008, 11:08:17 AM »
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