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> Tektronix type 568 oscilloscope with plug-ins
Tektronix type 568 oscilloscope with plug-ins
TYPE 3T6BPROGRAMMABLE SAMPLING SWEEP
IT IS MISSING THE ON AND OFF SWITCH
BUT ALL THE WIRES ARE THERE FOR THE SWITCH
ELECTRICAL CHARACTERISTICS CALIBRATOR
Characteristics Description Operational Information
Polarity Positive-going from zero volts (baseline).
Frequency 1 kHz or 100 kHz* from either (5 V or .5 V) 100 kHz output may be used for calibrating
output. horizontal gain of timing unit; 1 kHz output
may be used for compensating attenuator
Frequency Within 50%/+100% of 1 kHz; within 0.05%
Amplitude 0.5 volt or 5 volts peak to peak into >100-k)
load; 50 mV or 500 mV peak to peak into 50-
ohm load; separate output connectors for the May be used for calibrating gain of vertical
two amplitudes, unit; both outputs -may be used simultaneously
when loaded with >100 k1l, but not when
loaded with 50 S2; outputs are not damaged if
shorted to ground; outputs appear as current
Amplitude Within 2% of indicated value" into >100-ko sources to low-impedance loads.
Accuracy load; within 2% of indicated value into 50-
ohm load when tolerance of load is l %.
Output Resistance Approximately 450 2 from either output.
Duty Cycle 48% to 52% at either 1 kHz or 100 kHz fre-
Frequency Same as square-wave output.
Lead Time Approximately 1/4 cycle before positive-going
transition of square wave. Used for externally triggering time-base unit;
output not damaged if shorted to ground.
Amplitude Approximately 1 volt into 1-MS2 load; approxi-
mately 200 mV into 50-ohm load.
Output Resistance Approximately 320 Q.
*For serial numbers 6150629 and below, the calibrator frequencies are 20 kHz and =1 kHz.
Characteristics I AC RMS Operating Range I Operational Information
100 VAC Nominal 90 volts to 110 volts
200 VAC Nominal 180 volts to 220 volts Power connections changed by means of rear-
115 VAC Nominal 104 volts to 126 volts ped from factory; electronic regulation permits correct operation over indicated range
230 VAC Nominal 208 volts to 252 volts when ratio of peak line voltage to RMS line
High voltage is between 1.3:1 and 1.414:1.
124 VAC Nominal 112 volts to 136 volts
248 VAC Nominal 224 volts to 272 volts
Power Consumption .210W maximum
