Tektronix 551 Dual Beam Instruction Manual page 7

External Horizontal Signal Input
Deflection factor—continuously variable from 0.2v/cm to
20 v/cm.
Frequency response— dc to 400 kc, with maximum attenua­
tion, dc to 100 kc with amplitude control at mid-range.
OTHER CHARACTERISTICS
Cathode-Ray Tube
Type T551 P2— PI, P7 and P ll phosphors optional.
Accelerating Potential— 10,000 volts.
Vertical deflection factor— nominal 7 v/cm.
Horizontal deflection factor— nominal 30 v/cm.
Voltage Calibrator
Square-wave output at approximately 1 kc[
Eighteen fixed voltages from 0.2 mv to 100 v, peak-to-peak.
Accuracy—3%.
Output Waveforms
Positive gate of same duration as sweep, 20 volts.
Positive-going sweep sawtooth, 150 volts.
Beam-position Indicators
Indicator lamps to show which way either beam is off the
screen if it cannot be seen.
(A)®2
Power Requirements
Line voltage— 105 v to 125 v, or 210 v to 250 v, 50-60 cycles.
Power— 850 watts at 117 v line voltage using two Type CA
Plug-In Preamplifiers.
Mechanical Specifications
Ventilation—filtered, forced air is supplied to both units by
independent fan systems.
Finish— photoetched, anodized panels.
forated cabinets.
Dimensions— Indicator: 13" wide, 163 /4" high, case 24" deep.
Power Supply— 13y2" wide, 10" high, case 17'/2" deep.
Weight— Indicator-52 pounds.
Power Supply—42 pounds.
Accessories
4— Type P6000 Attenuator Probes, 010-020.
2— Type A510 Binding-Post Adapters, 013-004.
1— Test Lead, 012-031.
1— Type F510-5 Green Graticule Filter, 378-514.
2— Instruction Manuals.
1—3 to 2-wire Adapter, 103-013.
1—3-conductor power cord, 161-010.
1—Type W160 Interconnecting Cable, 012-032.
Specifications— Type 551
Blue wrinkle, per­
1-3