hell's gate/noise gate...anyone built this?..

[deadastronaut]

http://www.aronnelson.com/gallery/main.php/v/Renegadrian/hells+gate.gif.html

i have the french schemo too!...

anyone tried it?...

[deadastronaut]

hmmmm obviously not!...

[azrael]

Can you post the schematic?

[DavenPaget]

Somebody call in Renegadrian and ask him about posting a schematic ! 

[mitchelr]

Is this it
http://img801.imageshack.us/img801/1769/schmanoisegate.png

[deadastronaut]

heres the schemo....in french  ....translation anyone?....

http://dl.dropbox.com/u/7464107/HellsGate.pdf

[deadastronaut]

oh well guess i'll breadboard it then!.....

[Earthscum]

Google Translate:

"Page 1
Hell's Gate
Based on the pattern of "Tranquility Gate" of the friend Totovaï
http://www.techniguitare.com/forum/viewtopic.php?f=37&t=8976&hilit=tranquility p1 # 57044
which is his plan:
This is the diagram again by myself with WebSchematic: http://webschem.free.fr
and colorized with the addition of small medallion for the identification of the legs of BS170:
Following the numerous posts, in fact it was a noise suppressor which does
not suit me ... So with the help of designer T-Totovaï minik and we (well
largely thanks to them) finalized the project was close to my heart ....
I needed a noise gate that cuts frankly any signal when I halted my game
of metal.
Page 2
Oh yes I have often criticized the geniuses of TG not to think for beginners in their
patterns about the identification of PDO and as I assume that we should not do
alleged against the other so I put it (again ... but as a pattern
Full is long, I put only the numbered markers for most beginners).
Little icing on the cake: an activity LED T-gate shown schematically by minik
So, we repeated the pattern
Page 3
The activity LED lights up when the gate kicks in ... it is not fundamental
for the smooth running but it's fun.
Hair cell in the spirit of the MXR Smart Gate. Hey hey!
Components for the gate
Resistors
Capacitors:
Transistor (HEXFET):
R1: 1M
C1: 1uF
Q1: BS170
R2: 4.7 K
C2: 100nF
R3: 100K
C3 1uF
R4: 2.2 million
Diodes:
AOP:
Potentiometers:
D1: 1N4148
IC1: TL071
Threshold: 1K lin
Release: 500K Lin
Components for LED activity:
Resistors
Transistor:
Led:
R5: 4K7
2N3906
1.9 V 2mA 3mm
R6: 680R
Page 4
The respective stripboard (LED is an option):
Thanks to Totovaï, T-minik for their valuable assistance to complete the project ...
Written by Sam (Marshall63) October 29, 2009 for Techniguitare
http://www.techniguitare.com"

[deadastronaut]

@david... cheers man....oh yeah translate... ....comes up with some weird stuff translated though eh!....hair cell?...wtf?..

i'm breading it now!...i'll report my findings later!...cheers.

[deadastronaut]

hmm just breaded this, i only have  2n7000 mosfets......and it no worko!.. ...should a 2n7000 be ok....i checked pinouts etc...

[deadastronaut]

ok got sound coming through only when i took the extra ground of the 2n7000/bs170 source..(in the led mod schematic 2nd down.)..(though its not in the 1st schemo )  ....but its not acting like a gate...hmmmm....

i'm going by this schemo:

[DavenPaget]

Did you use film or electrolytic for the 1uf caps ?
If it's electrolytic , what's the polarity ascertaining to ground are you placing them ?
Negative to ground ? for the cap after 1N4148
Negative to opamp input ? For cap after input .
I think you might have accidentally overlooked it right ? 

[deadastronaut]

hi dave, nope using 1uf  films?....i'll try the electro's...

[DavenPaget]

hi dave, nope using 1uf  films?....i'll try the electro's...

Try them 

[deadastronaut]

just tried the electros......but still not gating......just cutting overall volume........and can't get effect up to unity/bypass level at all...hmmmmm....

took offf the optional led part too....no gating just total volume cut down.....hmmmm.....

[DavenPaget]

Have you played with the pots yet ? 

[deadastronaut]

wtf?......obviously!...


aint doing jack sh*t....any setting is well under unity anyway...@#$% knows how this french guy was happy with it!!!....

p.s stop showing off your noisse gate

[Fender3D]

ok got sound coming through only when i took the extra ground of the 2n7000/bs170 source..(in the led mod schematic 2nd down.)..(though its not in the 1st schemo )  ....but its not acting like a gate...hmmmm....

i'm going by this schemo:

Source (and output) is shorted to GND 

[deadastronaut]

yeah i took that off..coz i didn't get anything at all.....

[DavenPaget]

wtf?......obviously!...


aint doing jack sh*t....any setting is well under unity anyway...@#$% knows how this french guy was happy with it!!!....

p.s stop showing off your noisse gate

hmm ... 10k from source to ground ? give it a try