Bird - The RF Experts
4020 Series

Directional Thruline RF Power Sensors

 

Cost Effective Solutions for Critical RF Applications


Five models of the Bird 4020 Directional RF Power Sensor Series cover the frequency range of 100 kHz to 3 GHz and power range from 300 mW to 10 kW. These sensors have low insertion loss and full-scale accuracy ±3% for applications requiring accurate forward and reflected power measurement. Also offers direct plug-in operation with industry-standard Bird 4421A Series Multifunction Power Meters.

PRODUCT FEATURES
  • Models cover frequency range of 100 kHz to 3 GHz
  • Models cover power range from 300 mW to 10 kW
  • Low insertion loss and full-scale accuracy ±3%
  • Direct plug-in operation with industry-standard Bird 4421A Series Multifunction Power Meters
FOR USE WITH
  • 4421A Multifunction Power Meters
  • SCC7 Calibration Cart
  • MSCC7 Calibration Cart
product specifications:
Item No
4020 Series
Item Name
3% Accurate, Directional Power Sensors
Frequency Range
4021: 1.8 to 32 MHz
4022: 25 MHz to 1 GHz
4023A3G: 800 to 3000 MHz
4024: 1.5 to 32 MHz
4025: 100 kHz to 2.5 MHz
Power Input
4021: 300 mW to 1 kW (1.2 kW max.)
4022: 300 mW to 1 kW (1.2 kW max.)
4023A3G: 300 mW to 200 W
4024: 3 W to 10 kW (12 kW max.)
4025: 3 W to 10 kW (12 kW max.)
Insertion Loss--Max
(with female "N" connector)
4021: 0.05 dB
4022: 0.05 dB (25 to 512 MHz) | 0.13 dB (512 MHz to 1 GHz)
4023A3G: 0.15 dB
4024: 0.05 dB
4025: 0.05 dB
Insertion VSWR
(with female "N" connector)
4021: 1.05:1
4022: 1.05:1 (25 to 512 MHz) | 1.10:1 (512 MHz to 1 GHz)
4023A3G: 1.10:1
4024: 1.05:1
4025: 1.05:1
Directivity
4021: 30 dB
4022: 30 dB (25 to 400 MHz) | 26 dB (400 to 1000 MHz)
4023A3G: 28dB
4024: 28 dB (1.5 to 2.5 and 25 to 32 MHz) | 30 dB (2.5 to 25 MHz)
4025: 28 dB (100 to 125 kHz) | 30 dB (125 to 2500 kHz)
Impedance Ω
50 Ohms, nominal
Power Measurement--FWD
± 3% of reading, with no more than 1% AM, harmonics -50 dBc or less, terminating VSWR 2:1 or less
VSWR Range
1.00 to 2.00 (40.0 to 9.5 dB Return Loss)
RF Connectors
N (F) standard, other customer specified from QC list appropriate for frequency and power
Recommended Calibration Interval
Nominal 1 year
Power Supply
External DC, 12 VDC, supplied from Bird 4421A Series or 4421 Power Meters
Temperature
Operating: 0 to 50°C (32 to 122 °F)
Storage: -20 to 70°C (–4 to +158 °F)
Humidity
95% max (non-condensing)
Altitude
Up to 10,000 feet (3,048 m)
Size
5.2” x 2.5” x 3.25”
(137 x 64 x 83 mm)
Weight
1 lb. 11 oz. (0.8 kg)
Certifications
General EMC: Designed to carry CE mark
compatible devices:
4421A
Multifunction Power Meter
SCC7 Series
Single Sensor Calibration Cart
MSCC7 Series
Dual Sensor Calibration Cart
4421B540-2
Interface Module
4421-038
Latch-N-Lok Interface Cable