32,046
edits
4S1: Difference between revisions
no edit summary
No edit summary |
No edit summary |
||
| Line 18: | Line 18: | ||
From serial number 101 to 1349, the low frequency path starts with a 25K resistor that DC-couples the input signal to a | From serial number 101 to 1349, the low frequency path starts with a 25K resistor that DC-couples the input signal to a | ||
[[2N1429]] PNP emitter-follower stage. | [[2N1429]] PNP emitter-follower stage. | ||
After that is | After that is a [[151-103]] NPN common-emitter. The high frequency path starts | ||
with a trigger pickoff transformer on the input. The pickoff signal feeds a common-base amplifier | with a trigger pickoff transformer on the input. The pickoff signal feeds a common-base amplifier | ||
that uses a [[2N700]] PNP transistor. The low frequency and high frequency trigger paths meet at the trigger output of the | that uses a [[2N700]] PNP transistor. The low frequency and high frequency trigger paths meet at the trigger output of the | ||