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7A42: Difference between revisions
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title=Tektronix 7A42| | title=Tektronix 7A42| | ||
summary=350 MHz four-channel logic triggered amplifier| | summary=350 MHz four-channel logic triggered amplifier| | ||
image=Tek 7a42 | image=Tek-7a42-crop.jpg | | ||
caption=7A42 front view| | caption=7A42 front view| | ||
years=? | | years=? | | ||
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}} | }} | ||
The Tektronix 7A42 is a four-channel 350 MHz plug-in for [[7000-series scopes]]. | The '''Tektronix 7A42''' is a four-channel 350 MHz plug-in for [[7000-series scopes]]. | ||
It was specifically designed for logic signals (TTL, ECL, CMOS) and supports triggering based on Boolean conditions of the four inputs. | It was specifically designed for logic signals (TTL, ECL, CMOS) and supports triggering based on Boolean conditions of the four inputs. | ||
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==Specifications== | ==Specifications== | ||
{{BeginSpecs}} | |||
* | {{Spec | Bandwidth | 350 MHz}} | ||
{{Spec | Deflection | | |||
* 0.1 / 0.2 / 0.5 V/Div (TTL mode) | |||
* | * 20 / 50 / 100 mV/Div (ECL mode) | ||
* each direct or through 10:1 probe}} | |||
{{Spec | Input impedance | 1MΩ or 50 Ω}} | |||
* NiCd battery to preserve front-panel control status | {{Spec | Max. input voltage | | ||
* at 1 MΩ: 25 V DC+peak AC below 36 MHz, down to 3 V AC at 300 MHz | |||
* at 50Ω: 5 V RMS during any 1 ms interval}} | |||
{{Spec | Trigger level | | |||
* -1.27 to +1.28 V (TTL mode) in 10 mV steps | |||
* -254 mV to +256 mV (ECL mode) in 2 mV steps (or ×10)}} | |||
{{Spec | Hysteresis | 40 mV (TTL), 8 mV (ECL) (or ×10)}} | |||
{{Spec | Features | | |||
* NiCd battery to preserve front-panel control status}} | |||
{{Spec | Weight | 2.8 kg / 6.2 lb}} | |||
{{EndSpecs}} | |||
==Pictures== | ==Pictures== | ||