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545: Difference between revisions
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531→533: 535
Vintage dave (talk | contribs) (link in 543, plus remove some redundant "the"'s) |
Vintage dave (talk | contribs) (531→533: 535) |
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The vertical amplifier used in the 545A is also used in the [[551]] and [[555]]. | The vertical amplifier used in the 545A is also used in the [[551]] and [[555]]. | ||
The 545 uses the [[154-098]] CRT. With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff. | The 545 uses the [[154-098]] CRT. With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff. | ||
The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. The lower bandwidth 531 | The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. The lower bandwidth 531/[[Type 533|533]]/535 retained the 6 vertical divisions, as used in most other Tektronix scopes. | ||
In the 545, the distributed vertical amplifier's plate supply was not separately fused. | In the 545, the distributed vertical amplifier's plate supply was not separately fused. | ||
Shorting the outputs of the vertical amplifier to ground can cause major damage by burning out the delay line. | Shorting the outputs of the vertical amplifier to ground can cause major damage by burning out the delay line. | ||
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Type 545B differs significantly from the 545 and 545A. | Type 545B differs significantly from the 545 and 545A. | ||
It was designed by [[Dave Barton]]. | It was designed by [[Dave Barton]]. | ||
It has a partly solid-state, non-distributed vertical amp, and uses the [[154-0478-00]] CRT which is also used in the [[544]], [[546]], and [[547]]. Improvements in CRT design, including reduced deflection plate capacitance and increased sensitivity increased the vertical scale in the 545B from 4 to 6 divisions. The improved CRT also uses a ceramic envelope, with flat glass faceplate | It has a partly solid-state, non-distributed vertical amp, and uses the [[154-0478-00]] CRT which is also used in the [[544]], [[546]], and [[547]]. Improvements in CRT design, including reduced deflection plate capacitance and increased sensitivity, increased the vertical scale in the 545B from 4 to 6 divisions. The improved CRT also uses a ceramic envelope, with a flat glass faceplate with internal graticule markings to eliminate parallax errors. | ||
==Links== | ==Links== | ||