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The Tektronix 160 series is a modular oscilloscope made from the mid | [[File:Tek_160a_360_161_162_trace.jpg|thumb|350px|right]] | ||
(schematics drawn in [[introduced in 1953|1953]]) to the late | The '''Tektronix 160 series''' is a modular oscilloscope made from the mid-1950s | ||
A 160 series system typically includes a Type 160 power supply, a [[360|Type 360 indicator unit]], and one or more of the [[161]], [[162]], and [[163]] trigger and sweep modules. | (schematics drawn in [[introduced in 1953|1953]]) to the late 1960s (in 1969 catalog). | ||
Power connections are made behind the modules using cables that have | |||
[[ | A 160 series system typically includes a Type 160 power supply, | ||
a [[360|Type 360 indicator unit]], and one or more of the | |||
[[161]], [[162]], and [[163]] trigger and sweep modules. | |||
There is also a single-unit power supply, the [[126]]. | |||
Each module is the size of a small shoe box. Power connections are made behind | |||
the modules using [[W160|Type W160]] cables that have [[octal connector]]s. | |||
The power cables can be connected in a star topology (Type 160 in the center) | The power cables can be connected in a star topology (Type 160 in the center) | ||
or can be daisy-chained using the loop-through connection on the back of each module. | or can be daisy-chained using the loop-through connection on the back of each module. | ||
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 | |||
In a typical setup, the input signal is fed through a splitter to the Y-input of the | |||
360 and the trigger input of the 161. The 161 generates a trigger pulse that controls a 162, | |||
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. | |||
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== | |||
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 | 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. | 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 | The 360 uses a standard [[3WP|3WP series 3-inch CRT]]. | ||
The cathode voltage is | 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. | ||
For serial numbers 620 and up, it is slightly different and is called the 160A. | For serial numbers 620 and up, it is slightly different and is called the 160A. | ||
The 160 and 160A both use a [[5V4]] rectifier tube for the negative voltage | The 160 and 160A both use a [[5V4]] rectifier tube for the negative voltage | ||
and two 5V4 tubes in parallel for the positive voltage. | and two 5V4 tubes in parallel for the positive voltage. | ||
Both use [[5651]] 87-volt reference tubes. | Both use [[5651]] 87-volt reference tubes. | ||
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 + | The 160 uses a [[6AS7]] dual-triode tube, one half to regulate the +225 V output | ||
and the other half to regulate the | 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 + | [[6080]] dual-triode in parallel to regulate the +225 V output, | ||
and | and two parallel [[12B4]] triodes to regulate the −170 V output. | ||
==Pictures == | |||
<gallery> | <gallery> | ||
Tek 160 dn1.jpg|photo courtesy of Dave Nicol | |||
Tek 160 dn2.jpg|photo courtesy of Dave Nicol | |||
Tek 160 schem.png|160 schematic | |||
Tek 160a schem.png|160A schematic | |||
Tek 160a 360 161 162 trace.jpg|160 system in operation. | |||
Rack of 160-series modules.jpg | |||
Tek 160 system 1.jpg | |||
Tek 160 system 2.jpg | |||
Tek 160 system 3.jpg | |||
Tek 160 system 4.jpg | |||
Tek 160 system 5.jpg | |||
Tek 160 system 6.jpg | |||
Tek 160 system 7.jpg | |||
</gallery> | </gallery> | ||
[[Category:Introduced in 1952]] | |||
[[Category:160 system]] |