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The Tektronix Type 507 was designed for the power industry for surge testing. | {{Oscilloscope Sidebar | | ||
title=Tektronix 507 | | |||
summary=Power Industry scope | | |||
image=Tek 507 and ps.jpg | | |||
caption=507 with Power Supply | | |||
introduced=1959 | | |||
discontinued=1973 | | |||
manuals= | |||
* [http://w140.com/tek_507.pdf Tektronix 507 Manual (PDF)] | |||
* [http://w140.com/w_d_bunting_reliable_spark_gap_for_capacitor_bank_switching.pdf W. D. Bunting, "A Reliable Spark Gap For Capacitor Bank Switching"] | |||
* [http://w140.com/thomas_and_hearst-measurement_of_exploding_wire_energy.pdf Thomas and Hearst, "An Electronic Scheme for Measurement of Exploding Wire Energy"] | |||
}} | |||
The '''Tektronix Type 507''' was designed for the power industry for surge testing. | |||
It was [[introduced in 1959]]. | It was [[introduced in 1959]]. | ||
The scope was intended to operate in an environment | The scope was intended to operate in an environment | ||
of strong electromagnetic fields. | of strong electromagnetic fields. | ||
| Line 7: | Line 20: | ||
The vertical signal path of the 507 does not contain amplifiers. It has a | The vertical signal path of the 507 does not contain amplifiers. It has a | ||
5 nanosecond risetime. The input impedance of the 507 is | 5 nanosecond risetime. The input impedance of the 507 is 72 Ω. The maximum | ||
sensitivity is deliberately low | sensitivity is deliberately low, at 50 V/cm. | ||
The input attenuator is very unusual for Tek scopes. | |||
It is a switch with ten positions in "% of signal", where each step is 10%. The deflection signal | It is a switch with ten positions in "% of signal", where each step is 10%. The deflection signal | ||
is permanently AC-coupled and, unusually, the DC blocking capacitor is after the input attenuator. | is permanently AC-coupled and, unusually, the DC blocking capacitor is after the input attenuator. | ||
The 507 has | The 507 has 20 kV of post-deflection acceleration, produced by four [[1X2]] tubes. The lower-voltage | ||
power supplies, located in the external box, are all tube except for [[selenium rectifiers]] for some | power supplies, located in the external box, are all tube except for [[selenium rectifiers]] for some | ||
of the lower voltages. | of the lower voltages. | ||
==Pictures== | |||
<gallery> | <gallery> | ||
File:Tek 507.jpg|507 on Cart | |||
File:Tek 507 and ps.jpg|507 with Power Supply | |||
File:Tek 507 at general electric.jpg|507 at General Electric | |||
File:Tek 507 block diagram.png|Block Diagram | File:Tek 507 block diagram.png|Block Diagram | ||
File:Tek 507 sweep trigger and trip pulse.png|Sweep Trigger and Trip Pulse | File:Tek 507 sweep trigger and trip pulse.png|Sweep Trigger and Trip Pulse | ||