Tektronix 7A21N Direct CRT Access

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BAMA 7A21N Free Manual Download Site

Tektronix Catalog CostLow BidHigh Bidaverage
$350 (1973)
$700 (1977)
364542
$19.99 8/16/03 #3832888266 u.s.surplus (2 bids $19.99 start) (untested)

  • Bandwidth : 20 kHz to 1 GHz into 50 ohms
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    The 7A21N Direct Access Plug-In is designed specifically for the AC coupling of high-frequency or fast risetime signals directly into the wide-bandwidth CRT of the 7900-Family Oscilloscopes. Two front-panel input connectors allow single-ended or differential operation (internally selected). Vertical trace positioning is accomplished by a front-panel control.
  • Bandwidth: 20kHz to 1GHz
  • Deflection Factor: Less than 4 V/div
  • Input impedance: 50-ohms