Brigantia Brand's Products

Bird 4028A and 4028B Series RF Power Sensors

Frequency Range

4028A250K

4028A400K

4028A2M

4028A3M

4028A4M

4028A10M, 4028B10M

4028A25M

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

RF Power Range

4028A250K, 4028A400K

All other models

1 kW – 20 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)outsidecal.powerorcal.frequency

Derateaccuracyby2%(2

)below15°Candabove35°C

± 2.0% (2)

Calibration Frequencies,

Typical (MHz)

†

4028A250K

4028A400K

4028A2M

4028A3M

4028A4M

4028A10M, 4028B10M

4028A25M

†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

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