Bird 4391A RF Power Analyst

Bird 4391A RF Power Analyst
Enlarge Image
Bird Technologies 4391A
Request Quote Print Page
4391A Datasheet
The ruggedly built, multifunction Bird 4391A RF POWER ANALYST features a digital display, microprocessor-based operation, and simplified, push-button control. This wattmeter is well suited to C3, telemetry, two-way communications, avionics and radar, as well as standard radio and television applications.
Bird Technologies 4391A Features
  • Frequency: 0.45 to 2700 MHz. Power: 100 mW to 10 kW with 20% over-range
  • Reads forward and reflected CW or FM power in watts or dBm, Peak Envelope Power of SSB/DSB and symmetrical AM in watts, and peak power for pulses as narrow as 0.8 μs
  • Calculates SWR, return loss in dB and % modulation
  • Stores peak and null readings to facilitate adjustment of maximum and minimum signal levels
  • Shock-resistant keyboard and range switches. RFI protection
  • Built-in international power supply/charger
Bird Technologies 4391A Specs
Power Range 100 mW to 10 kW using Bird Plug-in Elements*
Frequency Range 450 kHz - 2.7 GHz
Insertion VSWR with N Connectors 1.05 max. to 1000 MHz
Accuracy Power Readings: ±5% of full scale CW, ±8% PEP; VSWR: ±10% of reading %
Modulation: (CW power 1/3 or more of full scale) ±5% (0-90%), ±10% (90-100%)
Usable Over-range to 120% of scale (CW, PEP, SWR and Return Loss)
Sampling Rate 2 to 3 readings per second
Display 31/2 digit, 0.3" LED strobed
Modulation Frequency 25 Hz - 10,000 Hz (Audio)
Pulse Parameters (min.) Pulse width 0.8 µs (100 MHz - 2700 MHz)
1.5 µs (26 MHz - 99 MHz)
15 µs (2 MHz - 25 MHz)
Repetition Rate 25 PPS, and Duty Factor 1 x 10-4 min.
Return Loss ±0.3 dB to corresponding SWR value