507: Difference between revisions
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* [http://w140.com/thomas_and_hearst-measurement_of_exploding_wire_energy.pdf Thomas and Hearst, "An Electronic Scheme for Measurement of Exploding Wire Energy" (OCR)] | * [http://w140.com/thomas_and_hearst-measurement_of_exploding_wire_energy.pdf Thomas and Hearst, "An Electronic Scheme for Measurement of Exploding Wire Energy" (OCR)] | ||
* [[Media:IM-507-1.pdf|Tektronix 507 Manual (PDF, OCR)]] | * [[Media:IM-507-1.pdf|Tektronix 507 Manual (PDF, OCR, bad-OCR)]] | ||
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The '''Tektronix Type 507''' was designed for the power industry for surge testing. | The '''Tektronix Type 507''' was designed for the power industry for surge testing. | ||
Revision as of 11:14, 20 October 2018
The Tektronix Type 507 was designed for the power industry for surge testing. It was introduced in 1959.
The scope was intended to operate in an environment of strong electromagnetic fields. It does not take plug-ins. The power supply is external, like in the 517, 551, and 555.
The vertical signal path of the 507 does not contain amplifiers. It has a 5 nanosecond risetime. The input impedance of the 507 is 72 Ω. The maximum 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 is permanently AC-coupled and, unusually, the DC blocking capacitor is after the input attenuator.
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 of the lower voltages.
The 507 uses the T507 CRT.
Links
- Service Scope No. 18, Feb 1963: Anode-Connector Arcing in the Type 507 Oscilloscope
Pictures
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507
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507
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507 power supply
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507 power supply bottom
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507 power supply
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507 power supply
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507 power supply
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507 rear
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507 right internal
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507 right internal
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507 top
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507 bottom
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507 on Cart
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507 with Power Supply
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507 at General Electric
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Block Diagram
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Sweep Trigger and Trip Pulse
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Time Mark Generator
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Vertical Deflection
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Horizontal Amplifier
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CRT Circuit
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Heater Wiring
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Power Supply
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Input Attenuator. The two unconnected wires at the right side are the CRT vertical deflection plate connection.
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Input Attenuator. The thicker coax with the copper braid is the input signal. The thinner coax with the steel braid comes from the internal time mark generator.
