Advance Instruments OS1000A Oscilloscope
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General Purpose Oscilloscope
The OS1OOOA general purpose Oscilloscope
is a solid state,
portable, dual trace Oscilloscope
suitable for a diverse
number of laboratory and television applications. DC mode
bandwidth at the -3 dB points is DC to 20 MHz, and AC mode
bandwidth is 2 Hz to 20 MHz.
Sensitivity from 5 mV/cm to 20V/cm is covered in 12 switched
ranges with a common variable overlap control effective on
all ranges. The sensitivity can be increased to 1 mV/cm by
connecting the Y1 and Y2 channels in cascade.
Several display modes are incorporated: Y1 or Y2 single
trace; Y1 and Y2 dual trace with alternate sweep or 250 kHz
chopped and automatically selected by the setting of the
timebase switch; X - Y in which the precision attenuators in
one Y channel are utilised to control the amplitude
of the X signal. Y1 + Y2 (algebraic addition) or Y1 - Y2
facilities are also available.
Sweep speeds from 1s/cm to 0.5 µs/cm are covered in 20
switched ranges with a common variable overlap control
effective on all ranges. A XI0 facility is incorporated so
that the sweep speed can be increased to 50 ns/cm.
Switch selected trigger sources are, internal from either
one of the two Y channels, external via a front-panel
connector, and the AC supply. A facility for triggering from
television signals is also incorporated.
Level control may be effected manually or automatically. In
the absence of trigger signals in the ‘Auto’ mode, the
time-base switches to an automatic free run condition and
produces a bright line trace.
2.82 Mbytes (2959145 Bytes)
1974 10 01
Scanned document, all readable.
2017 04 01
Service and User Manual
79.82 Mbytes (83697842 Bytes)
Scanned document, very well readable.
2023 08 20
Very good scanned schematics.