Bird Technologies SA-1700-P - Manual (Page 106)

Bird Site Analyzer
96
Specifications
Antenna Testing
Frequency Characteristics
Frequency Range: 25 MHz to 1700 MHz
Frequency Resolution:
25 – 800 MHz
800 – 1700 MHz 25 kHz
50 kHz
Frequency Accuracy: ± 150 kHz (75 ppm)
Number of Points: 238
Measurement Range and Resolution
Range Resolution
Return Loss: 0.0 to –60.0 dB 0.1 dB
VSWR: 1.00 to 99.99 0.01
Measurement Uncertainty (after 1 display refresh)
*
Return Loss: Refer to the figure on page 100.
Determined graphically from composite
of 1.12 source VSWR, instrumentation
error, and directivity:
VSWR: Calculated from Return Loss
Test Port
Connectors:
Impedance: N, Female normally supplied
50 Ohms
Directivity
After calibration:
Connector Frequency Directivity
N 25 – 1700 MHz – 42 dB
7/16 25 – 1700 MHz – 40 dB
Measurement Speed
< 3 seconds/sweep (13 ms/data point),
test port open, y-axis set to full scale
Immunity to Interfering
Signals
≥ 13 dB interferer at desired
measurement frequency.