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Old 25th December 2007, 02:15 AM   (permalink (permalink))
Default Neeed help ``part1
From this page http://www.uoguelph.ca/~antoon/circ/tx15trak.htm

I wanted to know when i will build 1 .Can i use for C1 a a 6.6volt capacitor or a 16v capacitor.


For C2which disk capacitor do i hav to use`????
disk capacitor 2kv 470pf
disk capaci. 2kv 330pf
disk capacitor 2kv 560pf
disk capacitor 2kv 270pf
cond. 680pf 10% 2kv
disk capacitor 3kv 820pf
also: c3000 1k also: c
capacitor also: c30
disk condensator
disc cap. 3kv 2.2n
disk capacitor 2kv 1200pf
disk capacitor 2kv 2200pf
disc capac.3kv 1.2n
disc capacitor 3kv 1.5n
disc capac. 3kv 1nf
disc capac. 3kv 2.2n

And from C3 which trimmer capacitor?????
2320-2

trimmer/variable capacitor (johanson manufacturing)
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ctz3e-10a-w1-pf
trimmer/variable capacitor (avx)
ctz3e-30c-w1-pf
variable capacitor trimmer capacitance m (avx)
ctz3e-40c-w1-pf
variable capacitor trimmer capacitance m (avx)
tzw4z1r5a001r00
trimmer cap, high power (murata)
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trim capacitor 2-10pf
TRIM10P
trim capacitor 2-10pf
TRIM22P
trim capacitor 4-20pf
TRIM30P
trim capacitor 3.3-33pf
TRIM100P
trim capacitor 7-100pf
TRIM39P
trim capacitor 5.5-40pf
TRIM65P
trim capacitor 5.5-65pf
TRIM80P
trim capacitor 5.5-80pf

and for C4 which disk capacitor????`
disk capacitor 2kv 470pf
disk capaci. 2kv 330pf
disk capacitor 2kv 560pf
disk capacitor 2kv 270pf
cond. 680pf 10% 2kv
disk capacitor 3kv 820pf
also: c3000 1k also: c
capacitor also: c30
disk condensator
disc cap. 3kv 2.2n
disk capacitor 2kv 1200pf
disk capacitor 2kv 2200pf
disc capac.3kv 1.2n
disc capacitor 3kv 1.5n
disc capac. 3kv 1nf
disc capac. 3kv 2.2n
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Old 25th December 2007, 05:05 PM   (permalink (permalink))
Default
C1 can be 6.6v or 16v.
C2 has to be 10nF or 0.01uF. As long as it's over around 3v it should be fine.
C4 is 4.7 pF As long as it's over around 3v it should be fine.
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Old 25th December 2007, 05:43 PM   (permalink (permalink))
Default help ??????
http://www.uoguelph.ca/~antoon/circ/tx15trak.htm

R1-10K.
is it like a switch or a piece if it is just a piece how many W does it have to have?????????????????????????????????????????????? ??
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Old 25th December 2007, 08:17 PM   (permalink (permalink))
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It's a resistor, and it only needs to be small - 1/4W is fine.
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Old 26th December 2007, 12:13 AM   (permalink (permalink))
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th2nk u soooooooo much.
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Old 26th December 2007, 12:25 AM   (permalink (permalink))
Default help ?????
For this construction!

http://www.uoguelph.ca/~antoon/circ/tx15trak.htm

For C1 the electric capacitor how many volts can it be?+
Can I use a 6.3 V or 16 V one?
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Old 26th December 2007, 12:30 AM   (permalink (permalink))
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really i soo appreciate it
first electronic thing that ill be doing
so thats why i dunt know anything
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Old 26th December 2007, 12:33 AM   (permalink (permalink))
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The voltagew across C1 in the circuit is very low so either capacitor's voltage rating is fine.
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Old 26th December 2007, 12:34 AM   (permalink (permalink))
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thnx i appreciate it
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Old 26th December 2007, 12:40 AM   (permalink (permalink))
Default help ????
for this construction!
http://www.uoguelph.ca/~antoon/circ/tx15trak.htm

For C2 can I use this part ?
http://www.oomipood.ee/index.php?t=k...ARNELL_1009893
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Old 26th December 2007, 12:51 AM   (permalink (permalink))
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The part you provided a link for is rated at 600V. a 100V capacitor will work the same, it will be smaller and it will probablybe less expensive.
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Old 26th December 2007, 01:23 AM   (permalink (permalink))
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Its Cheap enough for me !!!

In American dollars its under 50cents 1
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Old 26th December 2007, 01:34 AM   (permalink (permalink))
Default last help??for now
http://www.uoguelph.ca/~antoon/circ/tx15trak.htm
from that page C3-is from this page
http://www.oomipood.ee/index.php?t=k...ARNELL_1215715
the part the right one



For Q1- Is this the right part for it

2n3904: si transistor npn 40v-0.2a-300mhz

Specifications

type number: 2N3904
description: si-npn lp
ratings: 40V-0.2A
remarks: 300MHz
Last edited by kartulisupp; 26th December 2007 at 01:37 AM.
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Old 26th December 2007, 02:29 AM   (permalink (permalink))
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Good luck trying to find a LM3909, been obsolete for years.
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Old 26th December 2007, 02:52 AM   (permalink (permalink))
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can i put a different one that would hav the same effect
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