3A3: Difference between revisions

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<gallery>
<gallery>
3A3 front SN4990below.jpg| Front  SN4990 below
3A3 front SN4990below.jpg| Front  SN4990 below
3A3_right_SN4990below.jpg
3A3_right_SN4990below.jpg |Right side
3A3_left_SN4990below.jpg
3A3_left_SN4990below.jpg |Left side
3a3 001.JPG| Nuvistor in input stage
3a3 001.JPG| Nuvistor in input stage
</gallery>
</gallery>
===Newer version (SN 4990 up, FET in input stage)===
===Newer version (SN 4990 up, FET in input stage)===
<gallery>
<gallery>
3a3 front.jpg|Front
3a3 front.jpg|Front SN4990 up
3a3 right.jpg|Right side
3a3 right.jpg|Right side
3a3 left.jpg|Left side
3a3 left.jpg|Left side

Revision as of 04:17, 17 November 2018

Template:Plugin Sidebar 2 The Tektronix 3A3 is a dual trace differential amplifier for 560-series scopes. It was designed by Roy Hayes.

Key Specifications

Bandwidth switch-selectable, 5 kHz or 500 kHz

please add more

Internals

Early 3A3s use a 7586 Nuvistor for the front end cathode follower. Serial numbers 4990 and up use a dual JFET.

Pictures

Older version (SN 4990 below , Nuvistor in input stage)

Newer version (SN 4990 up, FET in input stage)