3A8: Difference between revisions

3A8 (view source)

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 The '''Tektronix 3A8''' is an operational amplifier plug-in for [[560-series scopes]].
 It was designed by [[Roy Hayes]].
+{{BeginSpecs}}
+{{Spec | Bandwidth | DC to 3.5 MHz }}
+{{Spec | Sensitivity | 20 mV/cm to 10 V/cm }}
+{{Spec | Opamp Gain Bandwidth Product | ≥10 MHz }}
+{{Spec | Opamp DC Open Loop Gain | ≥ 10,000  }}
+{{Spec | Opamp Output |  ≥ ± 25 V driving ≥ 7.5 mA (including feedback current) }}
+{{Spec | Features |
+Input and feedback resistances and capacitances are separately switch selectable to provide a variety of opamp functions.
+External components can be substituted by way of front panel banana sockets which also accept special purpose adapters (see ''Accessories'').
+}}
+{{EndSpecs}}
 ==Internals ==
@@ Line 20: / Line 33: @@
 Each 3A8 operational amplifier can accept external inputs and has external as well as internal outputs. Each operational amplifier has a number of transistors plus three [[Nuvistor]]s: a [[6CW4]] and a selected pair of [[7586]]s.
-==Specifications==
-The vertical display amplifier has a bandwidth of DC-3.5 MHz with sensitivity from .02 to 10 V/cm.
-The operational amplifiers have a gain bandwidth product ≥ 10 MHz and a DC open loop gain ≥ 10,000. Output voltage is ≥ ± 25 V. Output current is ≥ 7.5 mA (including feedback current.) Input and feedback resistances and capacitances are separately switch selectable to provide a variety of opamp functions. External components can be substituted by way of front panel banana sockets which also accept any of the following special purpose adapters:
 ==Accessories==
 :[[013-0049-01]] Standard Shielded Cover (two supplied with each plugin)
 :[[013-0048-01]] Terminal Adapter Assembly (empty box for user chosen components)
-:[[013-081]] Compensating Adapter
+:[[013-0081-00]] Compensating Adapter
-:[[013-068]] Gating Adapter
+:[[013-0068-00]] Gating Adapter
 :[[013-0086-00]] Leakage Current Adapter
 :[[013-0067-00]] Logarithmic Amplifier Adapter