Antenna Analyzer AIM4170 page 37
Appendix 1 – AIM4170 Specifications
Frequency Control: Digital Synthesizer 0.1 - 170 MHz ; Stability: +/- 30 ppm
Frequency Step Size: 1 Hz to 10MHz
Calibration: software controlled (no screwdriver adjustments).
ADC resolution: 12 bits.
Measurement Ranges:
SWR: 1 to 20
Impedance: 1 ohm to 2K ohms
Accuracy: 1 ohm +/- 5% of reading up to 60 MHz
10% of reading up to 170 MHz
Phase Angle: +/-90 degrees (true phase)
Parameters displayed include: SWR, Reflection coefficient, Return loss, Magnitude of load
impedance, Phase angle of load impedance, Equivalent series resistance and reactance,
Equivalent parallel resistance and reactance. Reactance is shown as inductance (uH) or
capacitance (pF) according to the phase angle.
Smith Chart display.
Data can be referenced to the antenna terminals.
RF Output: 20 microwatts max; BNC connector (UHF female adapter included)
Spurious output: –30dBc or better
Max stray RF input while measuring: 150mv peak (-3.4dBm)
Max safe RF input: 2V peak (+19dBm)
PC Interface: RS232 (6 foot cable included). Data rate = 57.6K baud
Display: Graphics output on PC screen. (A 1024x768 or larger screen is recommended.) Mouse
controlled cursor for digital parametric readout. Morse code output for selected parameters.
Power Supply: 6 to 15 VDC at 250ma max (120VAC power supply included)
Battery power source can range from 6.0 to 15V. Required current is approximately 250ma when
a measurement is in process, 50ma when idle. Auto-power-off after 10 minutes of inactivity.
(Batteries are not included.)
Dimensions (approx): 5” x 4” x 2” (12.7 x 10.2 x 5.1cm)
Software for the analyzer hardware controller and the PC data analysis is upgradeable in the
field. Software updates are available from W5BIG.com and they are free.
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