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4hv.org :: Forums :: General Science and Electronics
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How to build a class A - Class AB amplifier?

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Inducktion
Wed Sept 28 2011, 02:29PM
Inducktion Registered Member #3637 Joined: Fri Jan 21 2011, 11:07PM
Location: Buffalo, NY
Posts: 1068
Experimentonomen wrote ...

This is the schematic for the amplifier i use daily: Link2

And some pics of the prototype:
Link2
Link2

It seems I can't get the TIP35c or it's complement easily. Can I just use the transistors I've linked instead, since they're both (roughly) the same thing? I can get the other transistors, just not the TIP ones.
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Sulaiman
Thu Sept 29 2011, 12:14PM
Sulaiman Registered Member #162 Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3140
Due to the higher current rating, gain and gain bandwidth of your transistors
you can use just one pair of your complimentary transistors
instead of the two pairs in the diagram.
Use 0.05 ohm in the emitters to make it equivalent to two 0.1 ohms.
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