3A3: Difference between revisions

Revision as of 06:55, 19 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.

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

@@ Line 15: / Line 15: @@
 {{BeginSpecs}}
-* Deflection: 10 V/Div to 0.1 mV/Div
+{{Spec | Bandwidth | 500 kHz or 5 kHz (switch-selectable) }}
-* Bandwidth: switch-selectable  500 kHz or 5 kHz
+{{Spec | Deflection | 0.1 mV/Div to 10 V/Div, 1−2−5 }}
-* Input impedance: 1 MΩ // 47 pF
+{{Spec | Input impedance | 1 MΩ // 47 pF }}
 {{EndSpecs}}
-[[Category:Specifications needed]]
-''please add more''
 ==Internals==
@@ Line 28: / Line 25: @@
 ==Pictures==
-===Older version (SN 4990 below , Nuvistor in input stage)===
+===Older version (below SN 4990, Nuvistor in input stage)===
 <gallery>
-A3 front SN4990below.jpg| Front  SN4990 below
+A3 front SN4990below.jpg | Front
-A3_right_SN4990below.jpg |Right side
+A3_right_SN4990below.jpg | Right side
-A3_left_SN4990below.jpg |Left side
+A3_left_SN4990below.jpg  | Left side
-a3 001.JPG| Nuvistor in input stage
+a3 001.JPG               | Nuvistor in input stage
 </gallery>
-===Newer version (SN 4990 up, FET in input stage)===
+===Newer version (from SN 4990 up, FET in input stage)===
 <gallery>
-a3 front.jpg|Front SN4990 up
+a3 front.jpg  | Front
-a3 right.jpg|Right side
+a3 right.jpg  | Right side
-a3 left.jpg|Left side
+a3 left.jpg   | Left side
-a3 top.jpg|Top
+a3 top.jpg    | Top
-a3 bottom.jpg|Bottom
+a3 bottom.jpg | Bottom
-A3 002.JPG| Dual JFET in input stage
+A3 002.JPG    | Dual JFET in input stage
+</gallery>
-</gallery>
 [[Category:560 series plugins]]