Bird 4421 RF Power Meter
46
Table 7-25 Bird 4027F Series RF Power Sensors
Table 7-26 Bird 4028A and 4028B Series RF Power Sensors
Frequency Range
4027F2M
4027F10M
4027F60M
1.8 – 2.2 MHz
12 – 15 MHz
57 – 63 MHz
RF Power Range
4027F2M, 4027F10M
4027F60M
0.1 – 10 kW
0.1 – 3 kW
Accuracy, Fwd, Best Case
± 1.0% (2
σ
)
Calibration Frequencies, Typical
*
4027F2M
4027F10M
4027F60M
* Other calibration frequencies available upon request
1.8, 2.0, 2.17 MHz
12.0, 12.5, 13.56, 14.0, 15.0 MHz
57.0, 58.5, 60.0, 61.5, 63.0 MHz
Calibration Power, Typical
1.7 kW
Harmonic Rejection, Min.
4027F2M
4027F10M
4027F60M
26 dB @ 3.6 – 3.8 MHz, 30 dB @ > 3.8 MHz
30 dB @ > 25 MHz
30 dB @ > 114 MHz
Low Frequency Rejection, Min.
4027F10M
4027F60M
30 dB @ < 1 MHz
30 dB @ < 15 MHz
Max Error Induced by 10% AM
4027F2M, 4027F10M
4027F60M
0.2% @ < 5 kW, 1.0% @ 5 – 10 kW
0.2% @ < 1.5 kW, 1.0% @ 1.5 – 3 kW
VSWR, Max.
1.05:1
Insertion Loss, Max.
0.05 dB (with female “N” connectors)
Directivity, Min.
28 dB
Frequency Range
4028A250K
4028A400K
4028A2M
4028A3M
4028A4M
4028A10M, 4028B10M,
4028C10M
4028A25M
4028B3M
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
2.5 – 4 MHz
RF Power Range
4028A250K, 4028A400K
4028C10M
All other models
1 kW – 20 kW
500W – 50 kW
1 kW – 25 kW
Accuracy, Fwd, Best Case
*
* For rated accuracy, no more than 1% AM; Harmonics –50 dBc or less
Derate accuracy by 2% (2
σ
) outside cal. power or cal. frequency
Derate accuracy by 2% (2
σ
) below 15 °C and above 35 °C
± 2.0% (2
σ
)
Calibration Frequencies, Typical
(MHz)
†
4028A250K
4028A400K
4028A2M
4028A3M
4028A4M
4028A10M, 4028B10M,
4028C10M
4028A25M
4028B3M
† Other calibration frequencies available upon request
0.25, 0.40
0.40
1.8, 2.0, 2.17
2.5, 3.2, 3.5
3.5, 4.0
10.0, 13.56, 15.0
25.76, 27.12, 28.48
2.5, 3.2, 3.5, 4.0
Calibration Power, Typical
3.5 kW
VSWR, Max.
1.05:1
Insertion Loss, Max.
0.05 dB (with female 7-16 DIN connectors)
Directivity, Min.
28 dB
