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The '''Tektronix 160 series''' is a modular oscilloscope made from the mid 1950's
[[File:Tek_160a_360_161_162_trace.jpg|thumb|350px|right]]
(schematics drawn in [[introduced in 1953|1953]]) to the late 1960's (in 1969 catalog).   
The '''Tektronix 160 series''' is a modular oscilloscope made from the mid-1950s
(schematics drawn in [[introduced in 1953|1953]]) to the late 1960s (in 1969 catalog).   


A 160 series system typically includes a Type 160 power supply,  
A 160 series system typically includes a Type 160 power supply,  
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Signal connections are made on the front, typically with banana plugs.   
Signal connections are made on the front, typically with banana plugs.   
The 160, 161, 162, and 163 use the ceramic strip and silver solder construction style that
is prevalent in other Tektronix equipment of the era, such as the 500-series scopes like the [[545]].
The Type 360 indicator unit contains the CRT HV power supply and the vertical amplifier
and is constructed using a single-sided printed circuit board.


In a typical setup, the input signal is fed through a splitter to the Y-input of the  
In a typical setup, the input signal is fed through a splitter to the Y-input of the  
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which generates the horizontal ramp for the sweep.  This ramp signal is sent to the 360 horizontal input.   
which generates the horizontal ramp for the sweep.  This ramp signal is sent to the 360 horizontal input.   


The signals on the front panel of the 160-series modules are all single-ended.   
The signals on the front panel of the 160-series modules are all single-ended.
 
According to the May 1952 issue of Tek Talk (page 6),
the 160 Series entered limited production in April of 1952.
 
 
{{BeginSpecs}}
{{SpecGroup|Type 160 Power Supply}}
{{Spec | +300 V output | DC, unregulated, 170 mA max}}
{{Spec | +225 V output | DC, regulated, 125 mA max }}
{{Spec | +150 V output | DC, regulated, 5 mA max }}
{{Spec | −170 V output | DC, regulated, 125 mA max}}
{{Spec | 6.3 V output | AC, unregulated, 10 A max }}
{{SpecGroup|Type 160A Power Supply}}
{{Spec | +300 V output | DC, unregulated, 250 mA max}}
{{Spec | +225 V output | DC, regulated, 175 mA max }}
{{Spec | +150 V output | DC, regulated, 15 mA max }}
{{Spec |  +70 V output | DC, unregulated ''max load?''}}
{{Spec | −170 V output | DC, regulated, 125 mA max}}
{{Spec |  6.3 V output | AC, unregulated, 20 A max }}
{{EndSpecs}}
 
==Manuals==
 
* [http://w140.com/tek_160.pdf Tektronix 160-series Manual (PDF)]
* [http://w140.com/tek_360_160_irb.pdf Tektronix 160-series Instrument Reference Book (PDF, OCR)]


==Internals==
==Internals==
The 160, 161, 162, and 163 use the ceramic strip and silver solder construction style that
is prevalent in other Tektronix equipment of the era, such as the 500-series scopes like the [[545]].
The Type 360 indicator unit contains the CRT HV power supply and the vertical amplifier
and is constructed using a single-sided printed circuit board.
The 360 has a phase splitter to generate the differential drive for the horizontal deflection plates.
The 360 has a phase splitter to generate the differential drive for the horizontal deflection plates.
The 360 uses a standard [[3WP|3WP series 3-inch CRT]].   
The 360 uses a standard [[3WP|3WP series 3-inch CRT]].   
The cathode voltage is -1850 V.  No post-deflection acceleration is used.
The cathode voltage is −1850 V.  No post-deflection acceleration is used.


The 160 power supply was produced with serial numbers 101-619.   
The 160 power supply was produced with serial numbers 101-619.   
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The 160 and 160A differ in their output regulator circuits.   
The 160 and 160A differ in their output regulator circuits.   
The 160 uses a [[6AS7]] dual-triode tube, one half to regulate the +225 V output  
The 160 uses a [[6AS7]] dual-triode tube, one half to regulate the +225 V output  
and the other half to regulate the -170 V output.  The 160A uses both halves of a  
and the other half to regulate the −170 V output.  The 160A uses both halves of a  
[[6080]] dual-triode in parallel to regulate the +225 V output,  
[[6080]] dual-triode in parallel to regulate the +225 V output,  
and two parallel [[12B4]] triodes to regulate the -170 V output.
and two parallel [[12B4]] triodes to regulate the −170 V output.
 
* [http://bama.edebris.com/download/tek/160/tek%20160.pdf Tektronix 160-series Manual (PDF)]


==Pictures ==
<gallery>
<gallery>
File:Tek 160 dn1.jpg|photo courtesy of Dave Nicol
Tek 160 dn1.jpg|photo courtesy of Dave Nicol
File:Tek 160 dn2.jpg|photo courtesy of Dave Nicol
Tek 160 dn2.jpg|photo courtesy of Dave Nicol
File:Tek 160 schem.png|160 schematic
Tek 160 schem.png|160 schematic
File:Tek 160a schem.png|160A schematic
Tek 160a schem.png|160A schematic
File:Tek 160a 360 161 162 trace.jpg|160 system in operation.
Tek 160a 360 161 162 trace.jpg|160 system in operation.
Image:Rack of 160-series modules.jpg
Rack of 160-series modules.jpg
Tek 160 system 1.jpg
Tek 160 system 1.jpg
Tek 160 system 2.jpg
Tek 160 system 2.jpg
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</gallery>
</gallery>


[[Category:Introduced in 1954]]
[[Category:Introduced in 1952]]
[[Category:160 system]]
[[Category:160 system]]
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