Telewave Inc. - 44A - Level Meter
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Telewave Inc. 44A
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Equipment:
44A
Date:
2008
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Information
This manual provides the physical and functional description and
operating theory necessary for effective use of the Telewave
Model
44A/AP Broadband Radio Frequency (RF) Wattmeter. Its features
include:
• Displays five power ranges
• Measures 1 to 500 watts
• Does not require inserts
• Does not require band switching
• Fully operable in freezing conditions
• Provides 5 watts full scale range
• Interchangeable connectors (QC)
• Lighweight, rugged and easy to carry
• -40 dB RF sampling port (Model 44AP)
2.02 The instrument integrates two broadband directional
couplers for
measuring incident and reflected power, ranging, calibration and
display. The wide coverage and dynamic range of this instrument
eliminates any inserts or band switching. A 20 µA taut band
meter movement is used to display the measured power,
providing the
measurement accuracy necessary to tune low power portable
transmitters.
2.03 A convenient, easy to read, voltage standing wave ratio
(VSWR)
chart is provided on the rear of the instrument for determining
VSWR from the measured incident and reflected power levels.
The instrument is designed for rugged field use and is
housed in a diecast
metal case with a leather carrying strap. The measurement
circuits
in the wattmeter are driven directly by the current
developed in the
coupler, making it unnecessary to supply AC power or
batteries. A
carrying case (Model TC44) is available as an option. The
Model 44A/AP is ideally suited for mobile, marine, and
aircraft applications as well as base stations.
1 Manual
User manual
Manual type:
User manual
Pages:
21
Size:
484.4 KB
Language:
english
Revision:
Manual-ID:
Date:
March 2008
Quality:
Electronic document, no scan, very well readable.
Upload date:
Aug. 20, 2017
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791