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551: Difference between revisions
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A factory modification, MOD 108A, was available for increasing the CRT acceleration voltage. This improved trace visibility at high sweep rates. | A factory modification, MOD 108A, was available for increasing the CRT acceleration voltage. This improved trace visibility at high sweep rates. | ||
{| border="1" style="text-align: center;" | |||
|+ Comparison of 551 with 555 | |||
! scope="col" | | |||
! scope="col" | 551 | |||
! scope="col" | 555 | |||
|- | |||
! scope="col" | Risetime with Type K | |||
| 14ns | |||
| 12ns | |||
|- | |||
! scope="col" | Acceleration Voltage | |||
| 10kV | |||
| 10kV | |||
|- | |||
! scope="row" | Price in 1965 | |||
| $1850 || $2650 | |||
|- | |||
! scope="row" | Indicator Weight | |||
| 52 pounds | |||
| 68 pounds | |||
|- | |||
! scope="row" | Power Supply Weight | |||
| 42 pounds | |||
| 45 pounds | |||
|- | |||
! scope="row" | Power Consumption | |||
| 850 watts | |||
| 1050 watts | |||
|} | |||
* [http://bama.edebris.com/download/tek/551/Tek%20551.pdf Tektronix 551 Manual (PDF)] | * [http://bama.edebris.com/download/tek/551/Tek%20551.pdf Tektronix 551 Manual (PDF)] | ||
<gallery> | <gallery> | ||