33,244
edits
M: Difference between revisions
Jump to navigation
Jump to search
no edit summary
No edit summary |
No edit summary |
||
| Line 7: | Line 7: | ||
operate in CHOP or ALT mode. | operate in CHOP or ALT mode. | ||
Each input goes through a step attenuator, is clamped by a neon bulb, | Each input goes through a step attenuator, | ||
and then is fed to the grid of a cathode follower made with a [[7586]] Nuvistor tube. | is clamped by a neon bulb, | ||
and then is fed to the grid of a cathode follower | |||
made with a [[7586]] Nuvistor tube. | |||
Next, the signal goes to a PNP differential amplifier. | Next, the signal goes to a PNP differential amplifier. | ||
Diodes in series with the collector signal of this differential amplifier are used for input channel switching. | Diodes in series with the collector signal | ||
An internal differential signal bus connects the switched outputs of each of the input channels | of this differential amplifier are used for input channel switching. | ||
and feeds the signal to the output amplifier, which drives the signal output, pins 1 and 3 of the plug-in connector. | An internal differential signal bus connects | ||
The output amplifier is two [[12AU6]] pentodes connected as a differential amplifier, | the switched outputs of each of the input channels | ||
followed by a [[12AT7]] dual triode acting as a cathode follower to drive the output with a relatively low impedance. | and feeds the signal to the output amplifier, | ||
which drives the signal output, | |||
pins 1 and 3 of the plug-in connector. | |||
The output amplifier is two [[12AU6]] pentodes | |||
connected as a differential amplifier, | |||
followed by a [[12AT7]] dual triode acting | |||
as a cathode follower to drive the output | |||
with a relatively low impedance. | |||
Type M was [[introduced in 1962]], along with Type [[O]], and dropped after 1971 or 1972. | Type M was [[introduced in 1962]], | ||
along with the Type [[O]], | |||
and dropped after 1971 or 1972. | |||
* [http://bama.edebris.com/manuals/tek/m/ Tektronix Type M Manual (BAMA)] | * [http://bama.edebris.com/manuals/tek/m/ Tektronix Type M Manual (BAMA)] | ||