Bird Technologies 4020 Series-Manual - Manual (Page 2)

Specifications
CAUTION
Changing the sensor’s connectors will invalidate calibration data, and may
reduce the maximum power rating of the unit.
Frequency Range
4021
4022
4024
4025
1.8 – 32 MHz
25 MHz – 1 GHz
1.5 – 32 MHz
100 kHz – 2.5 MHz
RF Power Range
4021, 4022
4024, 4025
300 mW – 1 kW
3 W – 10 kW
Accuracy, Fwd, Best Case
*
± 3% (1
σ)
Accuracy, Reflected Calculated from Fwd accuracy and power
Accuracy, VSWR Calculated from FWD and RFL power
Impedance, Nominal 50 ohms
VSWR, Max.
4021, 4024, 4025
4022
1.05:1
1.05:1, 25 – 512 MHz
1.10:1, 512 MHz – 1 GHz
Insertion Loss, Max. (with female “N” connectors)
4021, 4024, 4025
4022
0.05 dB
0.05 dB, 25 – 512 MHz
0.13 dB, 512 MHz – 1 GHz
Directivity, Min.
4021, 4022
4024
4025
30 dB
28 dB, 1.5 – 2.5 and 25 – 32 MHz
30 dB, 2.5 – 25 MHz
28 dB, 100 – 125 kHz
30 dB, 125 – 2500 kHz
RFL Accuracy FWD Accuracy
FWD Power
10 Directivity 10 /
--------------------------------- + =
VSWR 1
P
R
P
F
------ +
 
 
 
1
P
R
P
F
------ –
 
 
 
⁄ =