ICs (Integrated Circuits)

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Distortion Opamp stacking

Last post by modman « 22 Jun 2020, 08:08
Replies: 12
by modman » 06 Nov 2007, 08:40

Rating: 1.1%

Keeley is a great guy, not shy of sharing some trick with the public. That's great, but had some déjà vus when reading his site:

Boss Stacked SD-1...

12 Replies

7205 Views

Last post by modman
22 Jun 2020, 08:08
TL062 vs OPA2137

Last post by spoontex « 20 Aug 2019, 21:55
Replies: 4
by spoontex » 20 Aug 2019, 13:36

Hi,

I've found in box some OPA2137. I can substitute the TL062 with this OPA2137? Worth it?

Thanks.

4 Replies

1954 Views

Last post by spoontex
20 Aug 2019, 21:55
What are the challenges to designing a discrete LM3080N

Last post by hgamal « 22 Jun 2018, 18:47
Replies: 9
by Belanger88 » 14 Jun 2018, 14:48

Rating: 0.2%

I know they’re difficult for most people to source, although I have a nice collection of genuine OTA’s I’ve always been extremely curious as to why I...

9 Replies

5003 Views

Last post by hgamal
22 Jun 2018, 18:47
TA7135 VS TA7136 Boss CE-1

Last post by Dirk_Hendrik « 13 May 2018, 08:44
Replies: 3
by Ricotjuh » 18 Mar 2018, 19:12

Hello does anybody have the datasheet of a TA7135? Or can anybody tell me the difference between the TA7135 and the TA7136? Because in the schematic...

3 Replies

2124 Views

Last post by Dirk_Hendrik
13 May 2018, 08:44
Exchange MN3002 with MM3004

Last post by Ricotjuh « 13 Mar 2018, 17:18

by Ricotjuh » 13 Mar 2018, 17:18

For a project, I would like to replace an MN3002 with an MN3004 due to availability. Both are a 512-stage BBD chip. Differences that immediately...

0 Replies

1154 Views

Last post by Ricotjuh
13 Mar 2018, 17:18
Suggestions needed for best Condor Cabsim IC op amp

Last post by smackoj « 22 Mar 2017, 01:20
Replies: 2
by smackoj » 21 Mar 2017, 23:36

Hi amigos; I am building a Condor Cab Sim on a commercial PCB I bought. The brd is real small so all the labels showing the component locations I...

2 Replies

1281 Views

Last post by smackoj
22 Mar 2017, 01:20
Building A 4558 opamp from scratch.

Last post by nr372 « 28 Apr 2016, 20:54
Replies: 20
by Mrdorbe » 02 Jul 2014, 20:11
1

2
Rating: 1.3%

hello guys, someone planted a bug in my head saying that guitar pedals sounds amazingly better with no opamps or chips in them and so I desided to...
20 Replies

10669 Views

Last post by nr372
28 Apr 2016, 20:54
Help with handling ICs

Last post by Dirk_Hendrik « 23 Dec 2014, 14:57
Replies: 7
by Tall Steve » 16 Apr 2014, 04:14

I'm about to start my first IC-based distortion project. Besides grounding yourself, what are the proper guidelines for handling ICs without shorting...

7 Replies

15254 Views

Last post by Dirk_Hendrik
23 Dec 2014, 14:57
How to Program a microprocessor

Last post by Dejisonuga « 25 Nov 2014, 15:27

by Dejisonuga » 25 Nov 2014, 15:27

Good day All,
Pls I have a project which requires that I need to program a microprocessor 8051 18 pin & 38 pins chip. Pls what are steps I need to go...

0 Replies

5987 Views

Last post by Dejisonuga
25 Nov 2014, 15:27
Op amp questionaire!!!

Last post by spmonkay « 23 Nov 2014, 00:37
Replies: 7
by AFF » 20 Jun 2009, 16:13

Okay I know the great people of this site are well capable of helping my latest question.

Who can explain the differences in the most common Op amps...

7 Replies

17252 Views

Last post by spmonkay
23 Nov 2014, 00:37
Boss - OD-1 Quad Opamp Comparison Video

Last post by Groovenut « 09 Sep 2014, 15:25
Replies: 16
by Groovenut » 12 Aug 2014, 06:29

Rating: 1.3%

Hey all. I recently acquired a 1982 OD-1 and decided to set off on a little research about the original. I was able to get the parts together to...

16 Replies

14207 Views

Last post by Groovenut
09 Sep 2014, 15:25
Small Stone EH chips

Last post by karul « 17 Jul 2014, 17:59

by karul » 17 Jul 2014, 17:59

There is a Ehx Small Stone on my desk.

PCB have four EH1048 and two EH10368.

EH1048 are CA3094 , but I can't find info for EH10368 .

EH10368...

0 Replies

6416 Views

Last post by karul
17 Jul 2014, 17:59
Are these LM308N Real or... ?

Last post by Tall Steve « 07 Jul 2014, 20:41
Replies: 12
by minnow » 07 Mar 2014, 15:19

Hi friends, was sourcing for LM308N for the ultimate Rat build, and came across these:
image.jpg
Questions:
1. Can I trust those LM308Ns? They...

12 Replies

16077 Views

Last post by Tall Steve
07 Jul 2014, 20:41
MN3101 & MN3007 codes on the ICs

Last post by s8210s8210 « 26 Jun 2014, 06:05
Replies: 2
by s8210s8210 » 25 Jun 2014, 20:45

HI! guys!!
I found that there're different number on MN3101 & MN3007
Like this

MN3101

MN3007

What's the different? 8) (I'm going to built...

2 Replies

8827 Views

Last post by s8210s8210
26 Jun 2014, 06:05
using tl074 in place of 4 j-fets

Last post by ksenanekro « 25 Jun 2014, 18:44

by ksenanekro » 25 Jun 2014, 18:44

i wan't to build a J-fet parallel looper, from guitarFXlayouts

it uses 4 j-fets and i was wondering if i could use a tl074.
i know that i could...

0 Replies

6134 Views

Last post by ksenanekro
25 Jun 2014, 18:44
MNJ4558 or LM4558

Last post by triplesevener « 21 Nov 2013, 19:41
Replies: 1
by copachino » 21 Nov 2013, 16:35

Hi, i just wondering if i cant use an MNJ4558 instead of LM4558 for the eternity layout(lovepedal)

1 Replies

2806 Views

Last post by triplesevener
21 Nov 2013, 19:41
RA3678H chip?

Last post by jtshortlidge « 26 Sep 2013, 03:12
Replies: 2
by jtshortlidge » 25 Sep 2013, 15:29

Hey everyone,

I'm fairly new here. I've been reading up on this forum for the past 2-3 months or so. I'm trying to learn all I can about...well,...

2 Replies

8357 Views

Last post by jtshortlidge
26 Sep 2013, 03:12
CA3130 sub for Honey bee OD

Last post by danielzink « 12 Sep 2013, 01:32
Replies: 1
by tonwins11 » 11 Sep 2013, 02:55

Hi guys, it's my first time to post here and I don't know if this question was already asked or even answered. By the way, I would just like to know...

1 Replies

8331 Views

Last post by danielzink
12 Sep 2013, 01:32
PT2399 delay formula

Last post by gena_p1 « 10 Sep 2013, 12:12
Replies: 2
by Mbas974 » 28 Aug 2013, 19:28

Rating: 0.2%

Hi, is there a formula I can use for Delay calculation with PT2399 : Delay-time Vs resistance-value ?
I have a table from datasheet showing some...

2 Replies

3484 Views

Last post by gena_p1
10 Sep 2013, 12:12
Simple volume boost

Last post by DagoMaino « 02 Aug 2013, 19:27
Replies: 3
by DagoMaino » 02 Aug 2013, 17:02

Super Noob question here!

I just need to add a simple volume boost to a true bypass pedal that I made. The pedal I have in the loop gives me a...

3 Replies

10165 Views

Last post by DagoMaino
02 Aug 2013, 19:27
sd1024 chips

Last post by Govmnt_Lacky « 02 Aug 2013, 01:27
Replies: 1
by jimiguitar » 02 Aug 2013, 00:14

are there any chips that would work in that place of sd1024 chips and would the sound change

1 Replies

7123 Views

Last post by Govmnt_Lacky
02 Aug 2013, 01:27
MI Audio Blue Boy Deluxe Opamp Swap

Last post by artkingjw « 16 Jul 2013, 04:00
Replies: 2
by artkingjw » 15 Jul 2013, 12:39

hello,

I am very very much a beginner in the world of pedal electronics so please forgive me if I'm wasting people time and what-not, but I've done...

2 Replies

8621 Views

Last post by artkingjw
16 Jul 2013, 04:00
MAX1044 causes of damage & alternatives

Last post by jethrofloyd67 « 11 May 2013, 22:26
Replies: 24
by soulsonic » 10 Aug 2007, 23:21
1

2
Over at the other forum, some people were complaining that their MAX1044 charge pump chips had failed. Several of them had come to the conclusion...
24 Replies

37404 Views

Last post by jethrofloyd67
11 May 2013, 22:26
Power for a dual op amp

Last post by jaylow « 23 Apr 2013, 19:56

by jaylow » 23 Apr 2013, 19:56

Hello! I'm new to the world of op amps and I'm a little confused on how to power them properly. I'm planning on using the TL072 as an audio buffer...

0 Replies

7079 Views

Last post by jaylow
23 Apr 2013, 19:56
Opamp suggestion for Fulltone Plimsoul

Last post by DrNomis « 10 Mar 2013, 09:51
Replies: 2
by 777seven777 » 10 Mar 2013, 08:48

My son managed to destroy my Plimsoul, I have now idea how he did it, but he actually burned a few components in it. I have repaired it so it is...

2 Replies

8620 Views

Last post by DrNomis
10 Mar 2013, 09:51

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