Marconi TM 9954 Amplifier
Manufacturer:
Model:
TM 9954
Date:
1975
Category:
Group:
Description:
Logarithmic Amplifier

Information

INTRODUCTION Logarithmic Amplifier TM 9954 is intended for use in swept frequency applications to expand the dynamic display range of detected signals and to present this range on a logarithmic scale. Hence each equal factor of change in r.f. input level produces an equal increment of change in output voltage, enablingthe Oscilloscope display tobe calibrated linearly indB, e.g. lQdB/cm. As well as the logarithmic mode described above there is also a DIRECT mode in which the input from the detector is connected directly to the output. The DIRECT mode is used for calibration and also eliminates the need to disconnect the instrument when the logarithmic function is not required. The instrument is self-powered by mercury cells and battery life will typically be in excess of two years.

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Service and User Manual
Manual type:
Service and User Manual
Pages:
10
Size:
2.30 Mbytes (2407529 Bytes)
Language:
english
Revision:
Manual ID:
Date:
01 January 1975
Quality:
Scanned document, all readable.
Upload date:
06 January 2019
MD5:
a23b27d4db036d4dbc1190fb3c3013a9
Downloads:
221

Information

2.3 Setting up ... Chapter 3 TECHNICAL DESCRIPTION 3.1 General ... Chapter 4 MAINTENANCE 4.1 Removal and replacement of lid 4.2 Changing batteries ...

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