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Science Forum Index » Electronics - Basics Forum » I found the right Ge. PNP Transistors--With your help
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| Guest |
 Posted: Sat Mar 17, 2007 7:08 pm |
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Hi, gangs:
This is Daniel. Ealier I posted a question on choosing a Ge
Transistor.
I really appreciate all your assistance. I think I found what
I need: GE's 2N136 for osicillation and mixer, IF amplication, and
GE's 29109
for Driver and coupled Audio Output. But I have a problem. The GE's
2N136
has no mark indicating which leg is what. The three legs are not in a
triangle shape, but
on the same line; the middle leg is closer to another leg. Anyone
knows which leg is e,
which one is b and which is c? Best wishes to all good men!
Daniel |
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| Charles Schuler |
| Posted: Sat Mar 17, 2007 7:37 pm |
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Guest
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<dingd@ferris.edu> wrote in message
news:1174176496.921245.89470@e1g2000hsg.googlegroups.com...
Quote: Hi, gangs:
This is Daniel. Ealier I posted a question on choosing a Ge
Transistor.
I really appreciate all your assistance. I think I found what
I need: GE's 2N136 for osicillation and mixer, IF amplication, and
GE's 29109
for Driver and coupled Audio Output. But I have a problem. The GE's
2N136
has no mark indicating which leg is what. The three legs are not in a
triangle shape, but
on the same line; the middle leg is closer to another leg. Anyone
knows which leg is e,
which one is b and which is c? Best wishes to all good men!
Daniel
E and B are close together and E is on the outside. To be sure, check with
an ohmmeter. E-B junction checks as a diode and so does the C-B junction.
C to E is high resistance in both directions. |
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