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The 517 does not take plug-ins. There is also a 517A. | The 517 does not take plug-ins. There is also a 517A. | ||
The 517 closely resembles a scope that Tektronix developed under a contract | The 517 closely resembles a scope that Tektronix developed under a contract | ||
for the US military during 1949 and 1950. | for the US military during 1949 and 1950. (See link below.) | ||
The external power supply and oscilloscope are connected by a removable cable | The external power supply and oscilloscope are connected by a removable cable | ||
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In 1965, following the introduction of the 50MHz [[547]], the | In 1965, following the introduction of the 50MHz [[547]], the | ||
517 was discontinued. The 547 uses a non-distributed solid-state vertical | 517 was discontinued. The 547 uses a non-distributed solid-state vertical | ||
amplifier, tunnel diode triggering, and a 6.5 V/cm CRT, | amplifier, [[tunnel diodes|tunnel diode]] triggering, and a 6.5 V/cm CRT, | ||
thereby achieving good performance with | thereby achieving good performance with | ||
lower cost, size, weight, complexity, and power consumption than the 517. | lower cost, size, weight, complexity, and power consumption than the 517. |