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Additional Pictures 

 

The signature of the 2N5449 BJT (hFE = 110) with base and collector resistors of 2k2 Ohm and 100 Ohm, respectively.
The signature of the 2SC1641 BJT (hFE = 510) with base and collector resistors of 2k2 Ohm and 100 Ohm, respectively.
The signature of one transistor of the 5-channel hybrid module TA1 (hFE = 160)
with base and collector resistors of 2k2 Ohm and 100 Ohm, respectively.
The signature of one transistor of the 4-channel hybrid module TA2 (hFE = 260)
with base and collector resistors of 2k2 Ohm and 100 Ohm, respectively.


horizontal rule

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© Joerg Woerner, September 12, 2024. No reprints without written permission.