Bird Technologies 4421 - Manual (Page 57)

Maintenance
45
Table 7-23 Bird 4020 Series RF Power Sensors
Table 7-24 Bird 4027A Series RF Power Sensors
RF Power Range
4021, 4022
4024, 4025
300 mW – 1 kW
3 W – 10 kW
Frequency Range
4021
4022
4024
4025
1.8 – 32 MHz
25 MHz – 1 GHz
1.5 – 32 MHz
100 kHz – 2.5 MHz
Accuracy, Fwd, Best Case *
* For rated accuracy, no more than 1% AM; Harmonics –50 dBc or less
Derate accuracy by 3.0% (1σ) below 15 °C and above 35 °C
± 3% (1 σ)
VSWR, Max.
4021, 4024, 4025
4022
1.05:1
1.05:1, 25 – 512 MHz and 1.10:1, 512 MHz – 1 GHz
Insertion Loss, Max.
4021, 4024, 4025
4022
0.05 dB
0.05 dB, 25 – 512 MHz and 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 and 30 dB, 2.5 – 25 MHz
28 dB, 100 – 125 kHz and 30 dB, 125 – 2500 kHz
CAUTION
Changing the sensor’s connectors will invalidate calibration data, and may
reduce the maximum power rating of the unit.
Frequency Range
4027A250K
4027A400K
4027A800K
4027A2M
4027A4M
4027A10M
250 – 400 kHz
400 – 550 kHz
800 – 950 kHz
1.5 – 2.5 MHz
3 – 5 MHz
10 – 15 MHz
4027A12M
4027A25M
4027A35M
4027A60M
4027A100M
4027A150M
10 – 15 MHz
25 – 30 MHz
35 – 45 MHz
45 – 65 MHz
95 – 105 MHz
150 – 170 MHz
RF Power Range
4027A12M
4027A25M
4027A35M
4027A60M
300 mW – 1 kW
3 W – 9 kW
3 W – 7.5 kW
3 W – 6 kW
4027A100M
4027A150M
All other models
3 W – 4 kW
3.75 W – 3.75 kW
3 W – 10 kW
Accuracy, Fwd, Best Case *
* For rated accuracy, no more than 1% AM; Harmonics –50 dBc or less
Derate accuracy by 1% (1σ) outside cal. power or cal. frequency
Derate accuracy by 1% (1σ) below 15 °C and above 35 °C
± 1.0% (1 σ)
Calibration Frequencies, Typical (MHz) †
† Other calibration frequencies available upon request
4027A250K
4027A400K
4027A800K
4027A2M
4027A4M
4027A10M
0.25, 0.40
0.40
0.90
1.8, 2.0, 2.17
4.0, 5.0
10.0, 13.56, 15.0
4027A12M
4027A25M
4027A35M
4027A60M
4027A100M
4027A150M
10.0, 13.56, 15.0
25.76, 27.12, 28.48
40.68
55.0, 60.0
95.0, 100.0
162.0
Calibration Power, Typical
4027A12M
All other models 700 W
1.7 kW
VSWR, Max. 1.05:1
Insertion Loss, Max. 0.05 dB (with female “N” connectors)
Directivity, Min.
4027A12M
All other models 30 dB
28 dB