32,948
edits
(vertical interface impedance) |
(added 647 manual) |
||
Line 3: | Line 3: | ||
are not at all compatible. The 647A contains vertical and horizontal amplifiers, whereas in the 560-series, | are not at all compatible. The 647A contains vertical and horizontal amplifiers, whereas in the 560-series, | ||
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 | but has 60MHz bandwidth. There is also an RM647A. | ||
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 | ||
Line 26: | Line 26: | ||
Is it the only scope to use those plug-ins? It is unusual to see only one scope in what appears to be the beginning of a series. Was it discontinued because of lack of demand? What replaced it? | Is it the only scope to use those plug-ins? It is unusual to see only one scope in what appears to be the beginning of a series. Was it discontinued because of lack of demand? What replaced it? | ||
* [http://w140.com/kurt/647.pdf Tektronix 647 manual] |