Diodes & LEDs

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Germanium diodes- the definitive answer

Last post by rezzonics « 20 Dec 2014, 23:08
Replies: 34
by darkstar » 08 Aug 2011, 17:43
1

2
Rating: 1.08%

1)Ok so Ive searched round the not and ive found half people saying how much smoother they are than silicons and half people saying these are the...
34 Replies

45227 Views

Last post by rezzonics
20 Dec 2014, 23:08
varicap diodes

Last post by electrip « 01 Dec 2014, 17:11
Replies: 1
by rrroo » 30 Sep 2014, 08:15

I bought some strange components from a military surplus store. found out they are variable capacitance diodes.. are there any guitar related...

1 Replies

6436 Views

Last post by electrip
01 Dec 2014, 17:11
JFETS used like clipping diodes?

Last post by Frank_NH « 21 Nov 2014, 14:11
Replies: 8
by idy » 11 Nov 2014, 16:30

Rating: 0.43%

Any knowledge on regular JFETs used like clipping diodes in the Negative feedback loop of an opamp? Such is the first stage of the Such is the first...

8 Replies

8071 Views

Last post by Frank_NH
21 Nov 2014, 14:11
Sub for Bat85 - Schottkey in OCD-type circuit

Last post by cruisemates « 02 Oct 2014, 22:38
Replies: 2
by cruisemates » 02 Oct 2014, 17:54

I am making an Oddfellow Effects Caveman

It calls for a Schottkey Bat85 or IN60P.

What is a suitable alternative? I don't actually know what the...

2 Replies

7150 Views

Last post by cruisemates
02 Oct 2014, 22:38
Mod: 535Q crybaby led

Last post by wishicouldplay « 21 Sep 2014, 21:50

by wishicouldplay » 21 Sep 2014, 21:50

I am new to electronics and want to dive in by modding my 535q crybaby.
Specifically I want to have led come on blue when engaged and red when boost...

0 Replies

5896 Views

Last post by wishicouldplay
21 Sep 2014, 21:50
School me on clipping

Last post by astrobass « 20 Sep 2014, 03:44
Replies: 21
by sinner » 30 Aug 2014, 07:23
1

2
Rating: 0.22%

I'm working on new amp design. It's a vintage base with bit of modern twist. I'm going to give it to the DIY community very soon as an open source...
21 Replies

20683 Views

Last post by astrobass
20 Sep 2014, 03:44
Can LED be dimmed with volume POT?

Last post by Wezly « 20 Jul 2014, 21:03
Replies: 7
by Wezly » 18 Jul 2014, 16:55

Rating: 0.87%

Hey I'm building a really simple volume pedal, I'm wondering if it is possible to use one POT to fade an LED aswell as adjust the volume of my...

7 Replies

10482 Views

Last post by Wezly
20 Jul 2014, 21:03
Capacitance, tone, and clipping

Last post by Tall Steve « 15 Jun 2014, 06:44
Replies: 6
by Tall Steve » 14 Jun 2014, 16:36

Rating: 0.65%

Merlin started an interesting thread over at DIYStomp yesterday. Link: . Basically, he setup a clipping circuit and ran some tests using a 1kHz sine...

6 Replies

9888 Views

Last post by Tall Steve
15 Jun 2014, 06:44
Germanium Diode Options

Last post by soupbone « 18 May 2014, 10:49
Replies: 6
by soupbone » 17 May 2014, 08:33

I like using Germanium Diodes in certain circuits.The only one's I've used are the common 1N34a.I want to find a different Germanium that has a lot...

6 Replies

9246 Views

Last post by soupbone
18 May 2014, 10:49
Clipping Diodes

Last post by TubeDude22 « 25 Apr 2014, 14:42
Replies: 5
by soupbone » 15 Apr 2014, 07:12

Rating: 0.22%

Forgive me for asking a simple question.(I've been knocking back a little bit of Grandpa's Cough Medicine.lol) Symmetrical Clipping is with 2...

5 Replies

9082 Views

Last post by TubeDude22
25 Apr 2014, 14:42
DOD 230 Photocell?

Last post by daniel.madeireira « 28 Mar 2014, 05:16
Replies: 3
by mwynwood » 02 Jun 2012, 05:23

Rating: 0.22%

Hi everyone,
I'm building the DOD 230 from this vero:

I'm a little bit confused how to hook up the VTL5C10 or the LED/LDR combination.
The...

3 Replies

9312 Views

Last post by daniel.madeireira
28 Mar 2014, 05:16
Using an SPDT to change a Bi-colour LED

Last post by Sibob « 20 Dec 2013, 00:55
Replies: 5
by Sibob » 16 Dec 2013, 20:27

Hi guys,

I've just put this together and it works great:

However, I thought it would be great to have a Bi-colour LED so that I know when it's...

5 Replies

9219 Views

Last post by Sibob
20 Dec 2013, 00:55
how to get 200v 100mA or 1A rectifier bridge using 1n400x?

Last post by leftfingaz « 07 Nov 2013, 00:51
Replies: 6
by leftfingaz » 06 Nov 2013, 15:53

Rating: 0.65%

how to get 200v 100mA or 1A rectifier bridge using 1n400x? help. this is for my solid state amp without using diode bridge. here is the schematic

6 Replies

10820 Views

Last post by leftfingaz
07 Nov 2013, 00:51
Integrated Resistor LED's

Last post by PedroPerez « 08 Sep 2013, 10:27
Replies: 9
by danny0 » 03 Jan 2013, 13:26

Any of you guys use integrated resistor led's for your indicator led's? I found these at radio shack the other day and thought I'd give it a try. It...

9 Replies

12402 Views

Last post by PedroPerez
08 Sep 2013, 10:27
Diode: substitute UF4002 for 1N400x?

Last post by Relayer110 « 03 Sep 2013, 01:53
Replies: 6
by doctor_solar » 30 Aug 2013, 21:52

Rating: 0.22%

I was looking for some 1N400x diodes to use for the reverse power protection portion of a circuit and I found some UF4002. I compared the data sheets...

6 Replies

9869 Views

Last post by Relayer110
03 Sep 2013, 01:53
Can LED's be socketed?

Last post by DrNomis « 13 Jul 2013, 10:13
Replies: 3
by Spefinzephyr » 12 Jul 2013, 18:34

Rating: 0.65%

I wanna experiment with different color LED's on a circuit I'm building on vero and I was wondering if I could use the led with a 2 pin socket I...

3 Replies

8007 Views

Last post by DrNomis
13 Jul 2013, 10:13
weird big black diode identify 2A 1200

Last post by Lucifer « 29 May 2013, 09:31
Replies: 2
by Kinkajou » 29 May 2013, 08:08

I need help identify big black diode. Big shape with torpedo shape. Is written 2A 1200.

thanks!

2 Replies

7665 Views

Last post by Lucifer
29 May 2013, 09:31
best color LED for optos?

Last post by coldcraft « 04 Jan 2013, 13:03
Replies: 20
by RnFR » 22 Sep 2011, 01:09
1

2
Rating: 0.22%

I've heard many people say that yellow is the best color, but I could've sworn I saw RG post that they respond best to green light. anyone remember...
20 Replies

29538 Views

Last post by coldcraft
04 Jan 2013, 13:03
1n4001 vs 1n4004

Last post by bay-fisher « 24 Nov 2012, 01:05
Replies: 3
by bay-fisher » 22 Nov 2012, 09:34

Hiya - is there any difference between these. Looking to build a Formula No. 5 and I have some 1n4004 lying around, but parts list asks for 1n4001....

3 Replies

11438 Views

Last post by bay-fisher
24 Nov 2012, 01:05
Identifying MA856 diodes

Last post by PokeyPete « 06 Oct 2012, 13:40
Replies: 2
by Miracle Man » 04 Oct 2012, 14:57

Rating: 0.22%

Hi!

I was hoping some of the more knowledgeable forum members could help me out. I've been thinking of building a KOT clone recently, and the MA856...

2 Replies

8876 Views

Last post by PokeyPete
06 Oct 2012, 13:40
??? indicator Led lights up - nothing plugged into input

Last post by Merry Browen « 05 Jul 2012, 03:29
Replies: 5
by mojoh » 08 Oct 2009, 06:53

im using this wiring for my builds

however i only noticed the other day that with nothing plugged into the input/output jacks...the indicator...

5 Replies

11156 Views

Last post by Merry Browen
05 Jul 2012, 03:29
BAT41, what can I use instead?

Last post by Deny « 27 Jun 2012, 14:15
Replies: 4
by Tummy ))) » 28 Apr 2011, 20:11

Rating: 0.22%

Hi there :)

First Post here but I allready found so much interesting posts and projects. I am building a Zendrive using following layout on vero:...

4 Replies

15937 Views

Last post by Deny
27 Jun 2012, 14:15
LED choice for 3PDT true bypass stomp wiring

Last post by Seiche « 14 Jun 2012, 23:49
Replies: 4
by fishfude » 13 Jun 2012, 13:17

Rating: 0.43%

Hi Guys,

I was thinking of using ultrabright 5mm LEDs for my power indicator with my 3PDT true bypass stomp wiring. I've seen 4.7k quoted for normal...

4 Replies

9043 Views

Last post by Seiche
14 Jun 2012, 23:49
resistor for LED

Last post by PokeyPete « 16 Apr 2012, 03:42
Replies: 10
by 1986lespaul » 01 Mar 2009, 00:39

Rating: 0.22%

So I am rehousing my Chicken Salad and am wondering what is a good resistor to put in series with the LED for the 3pdt switch?

10 Replies

17038 Views

Last post by PokeyPete
16 Apr 2012, 03:42
Clipping Diodes - BAT41 vs. BAT46?

Last post by briggs « 04 Apr 2012, 09:08
Replies: 11
by jasonsguild » 23 Mar 2012, 14:06

Rating: 0.22%

Newbie question here about clipping diodes.

Is there a big difference between a BAT41 and BAT46 when used as a clipping diode? Will the only...

11 Replies

19292 Views

Last post by briggs
04 Apr 2012, 09:08

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