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Dual Beam Oscilloscope 555

Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364130) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364131) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364132) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364133) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364134) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364135) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364136) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364137) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364138) Equipment
 
Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 364139) Equipment
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Dual Beam Oscilloscope 555; Tektronix; Portland, (ID = 2150115) Equipment
Tektronix; Portland,: Dual Beam Oscilloscope 555 [Equipment] ID = 2150115 1400x2039
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For model Dual Beam Oscilloscope 555, Tektronix; Portland, OR:
Gerät steht in der Militärhistorischen Sammlung in der Hohenbogen-Kaserne.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Tektronix; Portland, OR
Year: 1959 Category: Service- or Lab Equipment
Valves / Tubes 111:
Details
Power type and voltage Alternating Current supply (AC) / 105-125; 210-250 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Dual Beam Oscilloscope 555 - Tektronix; Portland, OR
Material Metal case
Shape Miscellaneous shapes - described under notes.
Notes The 555 dual beam oscilloscope accepted two vertical letter-series and two time-base plug-ins. Passband from DC up to 30 MHz. T555P dual gun CRT with 10 kV accelerating voltage.
555 included the indicator unit, 13" by 20" by 24", and the power supply, 13" by 10" by 17,5". Total weight is 113 pounds, less plug-ins.
Price included the power supply and the two time-base plug-ins, not the vertical amplifiers.
The Tektronix Type 555 is essentially two complete fast-rise oscilloscopes with a common dual-gun cathode-ray tube of a new Tektronix design. This new dual-gun cathode-ray tube has two pairs of vertical-deflection plates and two pairs of horizontal-deflection plates. The two fast-rise main amplifiers of the Type 555 are designed for Tektronix Type A to Z Plug-In Preamplifiers, providing a high degree of signal handling versatility in both channels
Two Plug-In Time-Base Units provide horizontal deflection for both upper and lower beams. In operation the two beams can be deflected simultaneously at either the same sweep rate, or at two different sweep rates, using TIME BASE A for one beam and TIME BASE B for the other beam. Also, the two beams can be deflected simultaneously using either TIME BASE A for both beams or TIME BASE B for both beams. Furthermore, either beam can be used separately, deflected by either TIME BASE A or TIME BASE B. In addition, the start of the sweep sawtooth of TIME BASE B can be accurately delayed over a wide range, with TIME BASE A functioning as the delay generator. The plug-in feature of the time-base units offers a real advantage in maintenance. By means of a plug-in extension a time-base unit can be operated partially out of its housing, thus facilitating any service that may be required by that unit. The Time-Base Plug-In Extension TEK #013-013 is furnished as an accessory.
CRT: T555P2
Power max: 1050W.
Price in first year of sale 2,600.00 $
Collectors' prices  
Source of data - - Manufacturers Literature

Model page created by Emilio Ciardiello. See "Data change" for further contributors.



All listed radios etc. from Tektronix; Portland, OR
Here you find 324 models, 311 with images and 72 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




 


Forum contributions about this model
Tektronix; Portland,: Dual Beam Oscilloscope 555
Threads: 3 | Posts: 3
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Tektronix Type 555 oscilloscope YouTube presentation
Trev Levick
09.May.16
  1

Tektronix Type 555 oscilloscope YouTube presentation

by Mr Carlson's Lab

Wow! Fantastic..

 
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tektronix: 555; Dual Beam Oscilloscope Data Description
Pius Steiner
24.Sep.11
  1

General Information

The Type 555 Oscilloscope is a wide-range, dual-beam, laboratory instrument providing accurate measurements in the dc to 30 mc range. Two complete horizontal and vertical deflection systems permit completely independent operation of the two beams. Either of two plug-in time base units can control the sweep of either or both of the beams.
Both vertical channels utilize Tektronix plug-in preamplifier units. This plug-in unit feature permits you to select the bandpass, risetime, type of input, and sensitivity required for your application. This selection is made by choosing the proper plug-in unit for the application.
Special circuits incorporated in the Type 555 permit you to select an accurate, continously variable, delay in presentation of one of the sweeps. The sweep may be delayed from .05 µseconds to 50 seconds after application of a triggering pulse. This feature allows you to expand a selected portion of the undelayed sweep thereby permitting precise time measurements. Both the delayed and the undelayed sweeps are presented on the oscilloscope screen.

Vertical-Deflection System

Characteristics for both vertical channels are identical. The actual figures depend on the plug-in units used with the instrument. The following characteristics are given assuming that Type K Plug-In units are used:
Band pass DC to 30 mc (3 db down at 30 mc ±1/2 db)
Risetime:  0.012 microseconds


Fig. 1-1. Vertical risetime of the Type 555 Oscilloscope using a Type K Plug-In Unit.

Triggering Modes
Time Base A and Time Base B—AC, DC, and AC Automatic.

Triggering Signal Sources
Time Base A and Time Base B—External, Lower Beam, Upper Beam, and Line.

Triggering Signal Requirements
Internal from Upper or Lower Beam signal—A signal producing 2 mm of vertical deflection up to 2 mc. For frequencies above 2 mc increased signal amplitude is required.
External triggering—A signal of 0.2 to 10 volts.
Sweep will trigger on larger signals, but TRIGGERING LEVEL control operates over a ±10 volt range.

Sweep Rates

Type 21 and Type 22  - 0.1 microseconds to 5 seconds per centimeter in 24 accurately calibrated steps. Uncalibrated vernier controls permit sweep rates to be varied continuously between 0.1 microseconds and approximately 12 seconds per centimeter. Calibrated sweep rates are typically within 1%, and in all cases within 3%, of the indicated sweep rate.

Magnifiers

Displayed waveforms on either the upper or the lower beams can be expanded horizontally by a factor of 5, by means of separate sweep magnifiers. The magnifiers extend the fastest sweep rates to 0.02 microseconds per centimeter. Sweep rates are accurate to within 5% with the magnifiers on.

External Horizontal Inputs

External signals can be applied to sweep either of the two beams. Characteristics for both beams are identical.
Deflection factors—approximately 0.2 V/CM to approximately 20 V/CM. The deflection factors are uncalibrated and continuously variable.
Passband—DC to approximately 240 KC (3 db down point) with the EXT HORIZ GAIN control in the maximum gain position.
Input impedances—approximately 47 pf paralleled by 1 megohm with the HORIZ DISPLAY control in the X1 position.

Delayed Sweep

Sweep delay continuously variable from 0.5 microsecond to 50 seconds. Actual delay steps (between 1.00 and 10.00) are within 3% of the indicated delay from 0.5 µsec/cm to 50 sec/cm. Incremental delay accuracy is within 0.2%.
Time jitter-1 part in 20,000.

Cathode-Ray Tube

Type T555P
Phosphors—Type P2 phosphor normally supplied; P1, P7, and P11 phosphors optional. Other phosphors available on special order.
Unblanking—dc coupled.
Accelerating potential-10,000 volts.
Usable viewing area—total of 6 centimeters with 4 centimeters for each beam. At least 2 centimeters of overlap between the two beams.

Graticule

Illumination—variable edge lighting.
Markings—marked in 6 vertical and 10 horizontal 1-centimeter divisions with 2-millimeter markings on the centerlines.

Amplitude Calibrator

Waveform —square-waves at approximately 1,000 cycles.
Output voltage-0.2 millivolts peak-to-peak to 100 volts peak-to-peak in 18 steps.
Accuracy —peak-to-peak amplitude of square-waves within 3% of the indicated voltage.

Power Supplies

Electronically regulated for stable operation with widely varying line voltages and loads. Line voltage requirements-105 to 125 volts, or 210 to 250 volts.
Power requirements —maximum of 1050 watts.
Line frequency-50 to 60 cps.
Output Waveforms Available
Delayed trigger pulse —approximately 5 volts in amplitude, occurring at the end of the delay period.
+Gate A-20 volts peak-to-peak with the same duration as the A sweep.
Sawtooth A—A sweep sawtooth waveform, 150 volts peak. +Gate B-20 volts peak-to-peak with the same duration as the B sweep.
Sawtooth B—B sweep sawtooth waveform, 150 volts peak.

Ventilation

Forced filtered air. Thermal relay interrupts instrument power in the event of overheating.

Construction

Aluminum-alloy chassis and three-piece cabinets. Photo-etched anodized panel, blue wrinkle-finished cabinet. Dimensions: Indicator Unit: 24" long, 13" wide, 20" high. Power Supply Unit: 17 1/2" long, 13" wide, 10". high.
Weight —Indicator Unit: 68 pounds. Power Supply Unit: 45 pounds.

Accessories

Time-base plug in extension (013-013).
Attenuator Probes (10X Attenuation), 010-020. 1—Inter-unit cable (012-032).
Binding-post adaptors (013-004).
Test lead (012-031).
Green Filter (378-514).
conductor power cord (161-010).
Instruction Manuals.
3 to 2-wire adapter, 103-013.

 

 
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tektronix: 555; Dual Beam Oscilloscope
Martin Mehlhose
22.Sep.11
  1

Das Bildschirmfoto von meinem 555:

Dieser 555 hat die Werksoption blauer Phosphor, P7.

Er leuchtet somit nicht grün, sondern in kräftigem Blau, die Nachleuchtdauer ist sehr lange, das Nachleuchten gelbgrün.

Er steht hier auf seinem Scope Mobile 500/53.
Der Aufbau hat eine höhe von 1,4 Metern.

nette Grüße
M.Mehlhose

 
Tektronix; Portland,: Dual Beam Oscilloscope 555
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