155-0078-00: Difference between revisions
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The '''155-0078-xx''' | The '''155-0078-xx''' is a Tek-made broadband vertical amplifier integrated circuit in a [[minipac]] package. | ||
The input and output are differential. | The input and output are differential. | ||
It was designed by [[John Addis]] for the [[485]] scope <sup>(Note 1)</sup> which uses no less than 18 of these chips in various grades. | It was designed by [[John Addis]] for the [[485]] scope <sup>(Note 1)</sup> which uses no less than 18 of these chips in various grades. | ||
{| class="wikitable" style="float:right; margin-left: 15px" | |||
|+ The last two digits of the 155-0078-xx part number are determined by a selection process after manufacture. | |||
These characteristics are summarized below: | |||
! SUFFIX !! SPEED !! DC CHARACTERISTICS !! REPLACEABLE BY | |||
|- | |||
| 00 || Fast || Best || ---- | |||
|- | |||
| 01 || Fast || Third best || -03,-00 | |||
|- | |||
| 02 || Fast || Most relaxed || -01,-03,-00 | |||
|- | |||
| 03 || Fast || Second best || -00 | |||
|- | |||
| 04 || Slow || Same as -00 || -00 | |||
|- | |||
| 05 || Slow || Same as -01 || -03,-00,-07,-04 | |||
|- | |||
| 06 || Slow || Same as -02 || -01,-03,-00,-05,-07,-04 | |||
|- | |||
| 07 || Slow || Same as -03 || -00,-04 | |||
|- | |||
| 10 || Fast || Best || ---- | |||
|- | |||
| 11 || Fast || Third best || -13,-10 | |||
|- | |||
| 12 || Fast || Most relaxed || -11,-13,-10 | |||
|- | |||
| 13 || Fast || Second best || -10 | |||
|- | |||
| colspan="4" rowspan="2" | Sometimes an instrument will contain a better grade of part than called for in the manual. | |||
The manual should be consulted for the correct replacement type. | |||
|} | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Revision as of 07:46, 4 July 2015
The 155-0078-xx is a Tek-made broadband vertical amplifier integrated circuit in a minipac package. The input and output are differential.
It was designed by John Addis for the 485 scope (Note 1) which uses no less than 18 of these chips in various grades.
| SUFFIX | SPEED | DC CHARACTERISTICS | REPLACEABLE BY |
|---|---|---|---|
| 00 | Fast | Best | ---- |
| 01 | Fast | Third best | -03,-00 |
| 02 | Fast | Most relaxed | -01,-03,-00 |
| 03 | Fast | Second best | -00 |
| 04 | Slow | Same as -00 | -00 |
| 05 | Slow | Same as -01 | -03,-00,-07,-04 |
| 06 | Slow | Same as -02 | -01,-03,-00,-05,-07,-04 |
| 07 | Slow | Same as -03 | -00,-04 |
| 10 | Fast | Best | ---- |
| 11 | Fast | Third best | -13,-10 |
| 12 | Fast | Most relaxed | -11,-13,-10 |
| 13 | Fast | Second best | -10 |
| Sometimes an instrument will contain a better grade of part than called for in the manual.
The manual should be consulted for the correct replacement type. | |||
Pictures
-
Excerpt from 067-0587-01 schematic, showing application of 155-0078-00.
-
155-0078-01 amplifiers in 7A26. Note symmetric layout.
Used in
Notes
- Note 1: See John Addis quote in 7A11 article