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inputs and has a switch to select between them. The rise time of the plug-in is 20 nanoseconds; bandwidth is 15MHz. | inputs and has a switch to select between them. The rise time of the plug-in is 20 nanoseconds; bandwidth is 15MHz. | ||
The sensitivity ranges from 5mV/cm to 20V/cm. A compromise, Type H is not as fast as Type [[B]], but it is DC-coupled on all ranges. | The sensitivity ranges from 5mV/cm to 20V/cm. A compromise, Type H is not as fast as Type [[B]], but it is DC-coupled on all ranges. | ||
Type H's use a [[Turret attenuators|turret attenuator]]. | |||
Type H with S/N less than 10,000 have ordinary attenuator. | |||
Type 53/54H was [[introduced in 1958]], along with the [[533]] and [[543]], renamed Type H in 1959, and dropped after 1970. | Type 53/54H was [[introduced in 1958]], along with the [[533]] and [[543]], renamed Type H in 1959, and dropped after 1970. | ||