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454: Difference between revisions
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image=Tek 454a front.jpg | | image=Tek 454a front.jpg | | ||
caption=Tektronix 454 front | | caption=Tektronix 454 front | | ||
introduced=1967 | | |||
discontinued=(?) | | |||
manuals= | manuals= | ||
*[http://w140.com/mmm/tek-454.pdf Tektronix 454 Manual (PDF)] | *[http://w140.com/mmm/tek-454.pdf Tektronix 454 Manual (PDF)] | ||
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The 454 weighs 29 pounds and consumes about 130 watts. | The 454 weighs 29 pounds and consumes about 130 watts. | ||
The 454 has a | The 454 has a 140 ns [[delay line]] in the signal path after the | ||
input channel switching and before the main vertical amplifier. | input channel switching and before the main vertical amplifier. | ||
There is a phase equalizer after the delay line to mitigate the | There is a phase equalizer after the delay line to mitigate the | ||
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or proprietary integrated circuits. | or proprietary integrated circuits. | ||
With the input sensitivity set to 10mV/div and above, the 454A has a vertical bandwidth of | With the input sensitivity set to 10mV/div and above, the 454A has a vertical bandwidth of 150 MHz. | ||
At | At 5 mV/div it is 100 MHz, and at 2 mV/div it is 50 MHz. | ||
It is possible to cascade the channel-1 and channel-2 input amplifiers to obtain a sensitivity of | It is possible to cascade the channel-1 and channel-2 input amplifiers to obtain a sensitivity of 400 μV/div. | ||
In that configuration, the vertical bandwidth is | In that configuration, the vertical bandwidth is 33 MHz. | ||
The 454 was [[introduced in 1967|introduced in March 1967]]. The 454A was [[introduced in 1971]]. | The 454 was [[introduced in 1967|introduced in March 1967]]. The 454A was [[introduced in 1971]]. | ||