39,728
edits
S-53: Difference between revisions
Jump to navigation
Jump to search
"compatible with" links improved
No edit summary |
("compatible with" links improved) |
||
| Line 4: | Line 4: | ||
image=S53-crop.jpg | | image=S53-crop.jpg | | ||
caption=S-53 head | | caption=S-53 head | | ||
series=[[ | series=[[3S2]], [[7S11]], [[7S12]] Sampling Plugins | | ||
years=? – ? | | years=? – ? | | ||
manuals= | manuals= | ||
| Line 13: | Line 13: | ||
}} | }} | ||
The Tektronix S-53 '''Trigger Recognizer''' is essentially the entire trigger circuit of an oscilloscope. | The Tektronix S-53 '''Trigger Recognizer''' is essentially the entire trigger circuit of an oscilloscope. | ||
amplifier before the tunnel diode. | The S-53 uses tunnel diode triggering with an amplifier before the tunnel diode. | ||
The signal first passes through a compensated NPN differential amplifier, Q10 and Q12, which provides | The signal first passes through a compensated NPN differential amplifier, Q10 and Q12, which provides | ||
an adjustable trigger offset voltage and trigger polarity selection. Switching diodes CR6 and CR8 are | an adjustable trigger offset voltage and trigger polarity selection. Switching diodes CR6 and CR8 are | ||
used for selecting the trigger polarity. The differential amplifier (i.e., phase splitter) generates | used for selecting the trigger polarity. The differential amplifier (i.e., phase splitter) generates | ||
both phases, inverted and | both phases, inverted and non-inverted. Depending on the position of the trigger polarity switch, one | ||
or the other of the phases is shunted by 200 Ω resistor. The two signals are buffered by common-base | or the other of the phases is shunted by 200 Ω resistor. The two signals are buffered by common-base | ||
amplifiers Q20 and Q22, whose collector currents are summed. R25 sets up a bias current on trigger | amplifiers Q20 and Q22, whose collector currents are summed. R25 sets up a bias current on trigger | ||
| Line 27: | Line 26: | ||
==Specifications== | ==Specifications== | ||
{{BeginSpecs}} | |||
{{Spec | Bandwidth | 1 GHz }} | |||
{{Spec | Input impedance | 50 Ω [[BNC connector]] }} | |||
{{Spec | Jitter | max. 15 ps or less (from input signal to trigger-out) }} | |||
{{Spec | Trigger-out signal | 1 V into 50 Ω with 600 mV/ns slew rate }} | |||
{{EndSpecs}} | |||
==Pictures== | ==Pictures== | ||