Bird 4391A RF Power Analyst
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.
| 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 | |
- 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