Please notice the following:
KU PA 440500-25 B, Linear Power Amplifier
4400 ... 5000 MHz • 25 W
Lead time on request
| Frequency range | 4400..5000 MHz |
| Input power for P1dB | typ. 2 dBm |
| Maximum input power | +6 dBm |
| Output power P1dB | min. 44 dBm (CW) |
| min. 25 W (CW) | |
| Output power COFDM (1) | typ. 40 dBm |
| typ. 10 W | |
| Automatic level control (ALC) | yes (adjustable ALC) |
| Gain (small signal) | typ. 46 dB, min. 42 dB |
| Gain flatness (small signal) | typ. +/- 2 dB |
| Harmonic rejection | min. 48 dB @ 44 dBm |
| VSWR protection | Isolator |
| Over temperature protection | yes |
| IM3 (2) | typ. 40 dBc @ 40 dBm PEP |
| typ. 36 dBc @ 43 dBm PEP | |
| Efficiency | typ. 18 % @ 44 dBm (CW) |
| ON voltage | +5 ... 14 V DC |
| Supply voltage | +12 ... 14 V DC |
| Quiescent current | typ. 9 A |
| Current consumption | max. 12 A |
| Forward detection | yes (diode detector) |
| Reflected power detection | yes (diode detector) |
| Operating case temp. range | -20 ... +55 °C |
| Input connector / impedance | SMA-female / 50 ohms |
| Output connector / impedance | SMA-female / 50 ohms |
| Case | milled aluminium |
| Dimensions (mm) | 158 x 100 x 20 |
| Weight | 550 g (typ.) |
| (1) | Measured with QAM 64, single carrier, EVM: 2% |
| (2) | Measured 2-tone, frequency spacing: 1 MHz |
- GaAs FET technology
- High linearity
- Low EVM
- Isolator for protection against high VSWR
- Adjustable ALC (automatic level control)
- Reverse polarity protection
- Over temperature protection
- Monitor outputs for forward and reverse power detection (DC voltage)
- Logic ON / OFF control (ON at +5 … 14 V DC)
- Digital transmission and broadcast systems (DVB, WiMAX)
- COFDM systems using QPSK, QAM
- Analog transmission systems
Please notice the following:
- The technical specifications refer to room temperature.
- The power amplifier doesn’t contain any coaxial relays.
- The recommended combination of heat sink and fan(s) is only specified for an ambient temperature of 25 °C.
- Further information about dimensioning of heat sinks is available on our FAQ site.
