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The '''Tektronix 454''' can be seen as an improved [[453]]. | The '''Tektronix 454''' is a 150 MHz portable dual-trace scope [[introduced in 1967|introduced in March 1967]]. | ||
The | It can be seen as an improved [[453]]. The successor 454A was [[introduced in 1971]]. | ||
The 454 uses a CRT with [[distributed vertical deflection plates]]. | The 454 is the fastest general-purpose Tektronix scope that does not use proprietary hybrid | ||
or integrated circuits. It uses a CRT with [[distributed vertical deflection plates]]. | |||
==Specifications== | |||
With the input sensitivity set to 10 mV/div and above, the 454A has a vertical bandwidth of 150 MHz. | |||
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 400 μV/div. | |||
In that configuration, the vertical bandwidth is 33 MHz. | |||
The 454 weighs 29 pounds and consumes about 130 watts. | The 454 weighs 29 pounds and consumes about 130 watts. | ||
[[Category:Specifications needed]] ''please add'' | |||
==Internals== | |||
The 454 has a 140 ns [[delay line]] in the signal path after the | The 454 has a 140 ns [[delay line]] in the signal path after the | ||
Line 30: | Line 35: | ||
There is a phase equalizer after the delay line to mitigate the | There is a phase equalizer after the delay line to mitigate the | ||
harm done to pulse fidelity by the delay line. | harm done to pulse fidelity by the delay line. | ||
==Links== | ==Links== | ||
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==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
File:Tek 454a front.jpg|454A Front | |||
File:Tek 454a bottom.jpg|454A Bottom | |||
File:Tek 454a vert amp.jpg|454A Vertical amp | |||
File:Tek 454a top.jpg|454A Top | |||
File:454 trig.gif | |||
File:454 vert out.gif | |||
</gallery> | </gallery> | ||
[[Category:400 series scopes]] | [[Category:400 series scopes]] | ||
[[Category:Specifications needed]] | [[Category:Specifications needed]] |