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\-.í GENERAL INFORMATION
The PM 3332 is an H.F. amplifier, built into a plug-
Properties, expressed in numerical values with state-
in unit for the vertical channel of basic oscilloscope
ment of tolerances aÍe guaranteed by the factory.
PM 3330.
Numerical values without tolerances are intended for
Owing to its high sensitivity and bandwidth, the unit
information purposes only and indicate the properties
covers a wide range of applications.
of an average apparatus.
The amplifier is chopper-stabilised, with the result
The numerical values hold good for nominal mains
that d.c. drift is eliminated.
voltages unless otherwise stated.
CharacÍerísÍÍcs
\\v/
Input circuit
input
asymetrical
coupling
a.c. or d.c.
input socket
B.N.C.
input impedance
1 Ma / / 15 pF
maximum permissible
d.c. voltage in position "AC"
400 V
Amplifier
zero level
by means of a push-button "CHECK ZERO", the zero level can be
checked
deflection coefficient
adjustable to t2 calibÍated values, i.e.:
500 pV - 1 mV - 2 mY/cm etc. to 2 Y/cm, tolerance t- 3Vo con-
tinuous attenuation 1 : 3 is possible (non-calibrated)
Bandwidth
d.c.: 0...50 Mcls ("FULL") or 0...100 kcls
a.c.: 1.6 c/s...50 Mc/s ("FULL") or 1.6 c/s...100 kcls
Noise in most sensitive position
at bandwidth 0...50 Mcls
open input
4
mm
short-circuited input
3
mm
at bandwidth 0...100 kcls
open input
1.5 mm
short-circuited input 0.4 mm
Rise time: at maximum bandwidth
7 nsec.
Rise time of the unit itself
5 nsec.
Overshoot
< 2%
Pulse droop
13Vo
Magnification
Up to 10 X the useful screen height (symmetrically around the centre
of the screen)
Of a picture that has been magnified to 3 x the usefull screen height
(symmetrical around the centre of the screen), the peaks can be made
visible bv means of the shift control
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