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Bird AT-400 Antenna Tester
6
Features
Swept Frequency Mode — Fast scan shows VSWR, ρ,
match efficiency or return loss across an entire band. A
movable cursor can be used to pinpoint a scan frequency and
the corresponding measurement value is displayed.
Single Frequency Mode — Provides measurement
information in units of Reflection Coefficient (
ρ); Voltage
Standing Wave Ratio (VSWR); % Match, or Return Loss (dB)
at one frequency on a simulated meter movement. An audio
generator can be enabled to produce a tone that is
proportional to the match condition.
Auto Scaling — Used in either swept or single frequency
modes, sets the Y axis for best measurement display.
Relative Field Strength — Provides means for optimizing
the radiated signal of any transmitter within the specified
frequency band.
Limit Testing — Quick pass-fail indication; compares
measurements to user selected limits.
Data Storage — Saves and recalls up to 12 traces to be used
to set limit or long term monitoring of antenna performance.
Serial Communication Link — Built in serial port and
optional software uploads data to a personal computer for
analysis or storage.