3A1: Difference between revisions

From TekWiki
Jump to navigation Jump to search
(creation)
 
No edit summary
Line 6: Line 6:
drives the vertical deflection plates of the scope uses a pair of 8233 frame grid power
drives the vertical deflection plates of the scope uses a pair of 8233 frame grid power
pentode tubes.
pentode tubes.
<gallery>
Image:3a1 front2.jpg
Image:3a1 right2.jpg
Image:3a1 right.jpg
Image:3a1 top.jpg
Image:3a1 bottom.jpg
</gallery>

Revision as of 09:15, 1 July 2010

The Tektronix Type 3A1 is a dual-trace amplifier plug-in introduced in 1963 for 560-series oscilloscopes. Bandwidth is 10MHz (35 nanosecond risetime). The input impedance is 47pF. Deflection factor ranges from 10mV/div to 10V/div. The input signal passes through compensated attenuators and then into a cathode-follower stage made of two 7586 Nuvistor tubes. Channel switching in ALTERNATE mode is done using diodes. The output stage that drives the vertical deflection plates of the scope uses a pair of 8233 frame grid power pentode tubes.