121: Difference between revisions

121 (view source)

Revision as of 09:09, 16 August 2021

191 bytes added , 16 August 2021

no edit summary

Peter

Bureaucrats, Interface administrators, Suppressors, Administrators

36,570

edits

@@ Line 1: / Line 1: @@
-The '''Tektronix 121''' is a wideband preamplifier intended for [[511]] scopes.
+{{Instrument Sidebar
-The voltage gain is 100, input impedance is 1 MΩ in parallel with 25 pF.
+|manufacturer=Tektronix
-The frequency response is 5 Hz to 12 MHz.  It has an unbalanced signal path with switchable compensated attenuators before and after the first gain stage, a [[6CB6]] common-cathode amplifier.  The [[1121]] can be considered the successor to the 121.
+|model=121
+|class=Amplifier
+|series=
+|summary=Wideband preamplifier
+|image=Tek 121 front.jpg
+|caption=Tek 121 front
+|introduced=1950
+|discontinued=(?)
+|designers=
+|manuals=
+* [http://w140.com/tek_121_complete.pdf Tektronix 121 Manual (PDF)]
+* [http://w140.com/tek_fcp/tek_type_121_factory_cal_proc.pdf Tektronix 121 Factory Calibration Procedure (PDF)]
+}}
+The '''Tektronix 121''' is a wideband preamplifier intended for [[511]] scopes.  The [[1121]] can be considered the successor to the 121.
+{{MissingSpecs}}
+Its voltage gain is 100, input impedance is 1 MΩ in parallel with 25 pF, frequency response is 5 Hz to 12 MHz.
+==Internals==
+The 121 has an unbalanced signal path with switchable compensated attenuators before and after the first gain stage, a [[6CB6]] common-cathode amplifier.
 ==Comparison of 121 and 112==
@@ Line 39: / Line 58: @@
 |}
-==Manuals==
+==Picturess==
-* [http://w140.com/tek_121_complete.pdf Tektronix 121 Manual (PDF)]
-* [http://w140.com/tek_fcp/tek_type_121_factory_cal_proc.pdf Tektronix 121 Factory Calibration Procedure (PDF)]
 <gallery>
-Image:Tek 121 front.jpg
+Tek 121 front.jpg
-Image:Tek 121 bottom.jpg
+Tek 121 bottom.jpg
-Image:Tek 121 left.jpg
+Tek 121 left.jpg
-Image:Tek 121 right.jpg
+Tek 121 right.jpg
-Image:Tek 121 top.jpg
+Tek 121 top.jpg
-Image:Tek-121-block.png|Block diagram
+Tek-121-block.png|Block diagram
 </gallery>
-[[Category:Introduced in 1950]]
 [[Category:Amplifiers]]