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Fixed Osc. 200kHz:
Var. Osc. 200-240kHz:
Ext. Input:
OUTPUT:
2.2.3. Vibration meter section
(Fig. 2.10)
A BNC socket providing a 200kHz squarewave signal. The output is
intended for use with the high frequency input of the Slave Filter Type
5888, or the Narrow Band Random Noise Unit Type 5887. Refer to the
Instruction Manuals of the Type 5888 and Type 5887 for further details.
A BNC socket providing a squarewave signal with a frequency variable
from 200 to 240kHz. The output is intended for supplying the high-
frequency input of Slave Filter Type 5888. Refer to the Instruction Man-
ual of the Type 5888 for further details.
BNC socket for connection to the Narrow Band Random Noise Unit
Type 5887. This converts the Type 1053 for use as a narrow-band
random noise generator with the noise bandwidth centred around the
generator frequency.
7V L90° and 7V L0°: Two 7V RMS output signals are available with
90° phase difference. Maximum load is 10 kQ shunted by 1 nF. These
signals can supply the Multiplier Type 5795 with the sine and cosine
waveforms of the generator frequency, from which the real and imagi-
nary signal-components can be generated. Both these outputs provide
the frequency control signal for a motion analyzer, such as Digital
Stroboscope Type 4913 (refer to section 4.3).
0-10V: A BNC socket used to connect the 10 V RMS sine output of the
generator to a vibration exciter via a power amplifier. The output is
continuously variable from 0 to 10 V RMS, the amplitude being con-
trolled either manually or by the compressor. This socket is duplicated
on the front panel.
,..------Vibration
Meter--
-----.
Ext. Filter In/Out
Log.
DC Output
Fig. 2.10. Vibration-meter connectors and sensitiv-
ity selector
Ext. Filter In/Out:
An 8-pin DIN socket for insertion of an external filter for filtering the
compressor and vibration meter circuits of the Vibration Exciter Con-
trol. The Slave Filter Type 5888 is suitable for this purpose as it is
controlled by the 1 053.
17
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