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647: Difference between revisions
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the plug-ins drive the deflection plates directly. The 647A followed the Type 647, which is similar | the plug-ins drive the deflection plates directly. The 647A followed the Type 647, which is similar | ||
but has 50MHz bandwidth. There is also an RM647A. The 647 was introduced in 1963 and has 14kv of acceleration | but has 50MHz bandwidth. There is also an RM647A. The 647 was introduced in 1963 and has 14kv of acceleration | ||
voltage on the CRT. | voltage on the CRT. The 647A was introduced in 1967. | ||
The vertical amplifier contained in the 647A indicator unit (mainframe) is made of | The vertical amplifier contained in the 647A indicator unit (mainframe) is made of | ||