IG-4244 Precision Oscilloscope Calibrator

The Heathkit IG-4244 Precision Oscilloscope Calibrator is an accurate,
crystal-controlled, fast-rise square wave generator. It provides an
accurate time and amplitude signals needed to calibrate Heathkit Oscilloscopes,
as well as most other oscilloscopes.

SPECIFICATIONS
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TIME OUTPUT SIGNAL

Range . . . . . . . . . . . . . . . . . .  0.5 sec to 1 ns square wave in a 1-2-5 sequence

Accuracy  . . . . . . . . . . . . . . . .  0.015%

Amplitude . . . . . . . . . . . . . . . .  0.5 s to 20 ns – 100 mV to 1 V peak
					   10 ns – 100 mV to .5 V peak

Rise Time . . . . . . . . . . . . . . . .  < 1 ns

Leading Edge Aberrations	< 2% of peak-to-peak amplitude or 10 mV, whichever is greater

Output. . . . . . . . . . . . . . . . . .  50 ohms nominal


VOLTAGE OUTPUT SIGNAL

Ranges. . . . . . . . . . . . . . . . . .  1 mV to 100 V peak square wave in 1—2—5 sequence

Accuracy. . . . . . . . . . . . . . . . .  Within 1% into a >/= 1Mohm load calibrated with
					   an external voltmeter (the error of the
					   calibrating voltmeter will add to the above
					   accuracy specification)

Rise Time . . . . . . . . . . . . . . . .  < 5 ?sec

Frequency . . . . . . . . . . . . . . . .  ~ 1 kHz


SINE WAVE OUTPUT SIGNAL

Frequency . . . . . . . . . . . . . . . .  ~ 1 kHz

Amplitude . . . . . . . . . . . . . . . .  ~ 1 V peak-to-peak


GENERAL

Power Requirements. . . . . . . . . . . .  120/240 VAC, 50/60 Hz, 25 watts

Operating Temperature . . . . . . . . . .  10o to 40oC

Dimensions. . . . . . . . . . . . . . . .  7-1/4” wide, 3” high, 9-1/2” deep

Weight. . . . . . . . . . . . . . . . . .  4 lbs