Bird Technologies 4028 Series-Manual - Manual (Page 3)

1
Specifications
CAUTION
Changing the sensor’s connectors will invalidate calibration data, and may
reduce the maximum power rating of the unit.
Frequency Range
4028A250K
4028A400K
4028A2M
4028A3M
4028A4M
4028A10M
4028A25M
4028B10M
4028C10M
250 – 400 kHz
400 – 550 kHz
1.5 – 2.5 MHz
2.5 – 3.5 MHz
3.5 – 4.5 MHz
10 – 15 MHz
25 – 30 MHz
10 – 15 MHz
10 – 15 MHz
RF Power Range
4028A250K
4028A400K
4028C10M
All other models
1 kW – 20 kW
1 kW – 20 kW
500W – 50 kW
1 kW – 25 kW
Accuracy, Fwd
*
At Calibration Frequencies
and Power Levels
At Other Frequencies and
Power Levels
*. For rated accuracy, no more than 1% AM; Harmonics –50 dBc or less. Derate accuracy by
2% for temperatures outside 25 ± 10°C
± 2.0% (2s)
± 3.0% (2s)
Accuracy, Reflected Calculated from FWD accuracy & FWD power
Accuracy, VSWR Calculated from FWD and RFL power
VSWR, Max. 1.05:1
Insertion Loss, Max.
4028C10M 0.05 dB (with female 7-16 DIN connectors)
0.05 dB (with 3-1/8 in EIA connector)
Directivity, Min. 28 dB
Impedance, Nominal 50 ohms
Max. Allowable Terminating VSWR 2.00:1
Accuracy FWD Accuracy
FWD Power
10 Directivity 10 /
--------------------------------- + =
VSWR 1
P
R
P
F
------ +
⎝ ⎠
⎜ ⎟
⎛ ⎞
1
P
R
P
F
------ –
⎝ ⎠
⎜ ⎟
⎛ ⎞
⁄ =