230: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 19: | Line 19: | ||
Just like the 6R1A was an evolutionary step forward from the 6R1, | Just like the 6R1A was an evolutionary step forward from the 6R1, | ||
the circuitry in the 230 is an evolutionary step forward from the 6R1A. | the circuitry in the 230 is an evolutionary step forward from the 6R1A. | ||
The 230 was distributed by itself (usually for use with a 568) and also | The 230 was distributed by itself (usually for use with a 568) and also | ||
| Line 46: | Line 43: | ||
One exception to this is the CRT intensifier signal, which is sent by the 230 to the 568. | One exception to this is the CRT intensifier signal, which is sent by the 230 to the 568. | ||
This signal intensifies the trace in the various zones, | This signal intensifies the trace in the various zones, | ||
which are configured on the 230 or remotely using a [[241]] | which are configured on the 230 or remotely using a [[241|241 programmer]]. | ||
{{MissingSpecs}} | {{MissingSpecs}} | ||
==Internals== | ==Internals== | ||
The 230 does not contain any tubes or [[tunnel diodes]]. | |||
It makes some use of integrated circuits and extensive use of | |||
[http://en.wikipedia.org/wiki/Reed_relay reed relays]. | |||
The power supply in the Tektronix 230 is linear and provides regulated of +50 V, +12 V, +3.8 V, +1.75 V, | The power supply in the Tektronix 230 is linear and provides regulated of +50 V, +12 V, +3.8 V, +1.75 V, | ||
−3.5 V, and −50 V. It also provides a +255 V unregulated output. The power supply transformer, electrolytic | |||
capacitors, and output transistors are part of the chassis, not a removable unit. | capacitors, and output transistors are part of the chassis, not a removable unit. The regulator circuits are on a circuit card. | ||
are on a circuit card. | |||
Most of the circuitry of the 230 is on circuit cards that plug into a backplane bus. | Most of the circuitry of the 230 is on circuit cards that plug into a backplane bus. | ||