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The Tektronix Type 82 is a dual-trace plug-in for the [[580-series scopes]]. | The Tektronix Type 82 is a dual-trace plug-in for the [[580-series scopes]]. | ||
The Type 82 combined with a [[585]] or 585A provides a 4 nanosecond risetime. | The Type 82 combined with a [[585]] or 585A provides a 4 nanosecond risetime. | ||
The front end of the Type 82 is a [[7586]] nuvistor cathode-follower, | The front end of the Type 82 is a [[7586]] [[nuvistor]] cathode-follower, | ||
followed by bipolar diff-amps and diode channel switching, | followed by bipolar diff-amps and diode channel switching, | ||
followed by a distributed output amplifier made of three [[6DJ8]] tubes, | followed by a [[distributed amplifier|distributed output amplifier]] made of three [[6DJ8]] tubes, | ||
with differential 93-ohm outputs. | with differential 93-ohm outputs. | ||
The use of a distributed amplifier in a plug-in is unusual. | The use of a distributed amplifier in a plug-in is unusual. | ||