KU PA 1940 A
Power Amplifier
1700 ... 2200 MHz • 40 W
The power amplifier is developed both for digital and analog transmission systems. By the use of LD-MOSFET technology high efficiency and low current consumption are reached at the same time.
Preliminary data
Specifications | |
Type | KU PA 1940 A |
Frequency range | 1700 ... 2200 MHz |
Input power for P1dB | max. 80 mW |
Output power P1dB | typ. 28 W, min. 26 W (CW) |
Saturation power | typ. 50 W, min. 40 W (CW) |
Output power COFDM 1) | min. 10 W |
Gain | typ. 30 dB |
Gain flatness | max. +/- 2 dB |
Monitor output | DC voltage, uncalibrated |
Efficiency | min. 34 % @ 40 W |
Harmonic rejection | typ. 30 dB @ P1dB |
Intermodulation distortions | |
IM3 @ 15 W PEP | min. -40 dBc |
IM3 @ 30 W PEP | min. -30 dBc |
Supply voltage | +28 V DC |
Maximum load VSWR | 1.8:1 |
Maximum case temperature | +55 °C |
Quiescent current | typ. 500 mA |
Current consumption | max. 4.5 A |
Input connector / impedance | SMA-female, 50 ohms |
Output connector / imepdance | SMA-female, 50 ohms |
Case | milled aluminium |
Dimensions (mm) | 80 x 59 x 20 |
Weight | typ. 140 g |
1) measured with QAM64/8MSps, single carrier | |
Features
- LD-MOSFET-technology
- High voltage and reverse polarity protection
- Monitor output for forward power detection (DC voltage)
- Milled aluminium case
Applications
- WIMAX radio systems
- COFDM – systems with modulation QPSK, QAM
- Analog transmission systems
- Measurement and laboratory equipment
Options
- Amplifier mounted on heat sink with fans
Accessories
- Recommended power supply: SP 150 W 27
- Recommended heat sink: SK 200 - 80 1)
- Recommended fan: FAN 80x80 24 V 1)
- Thermal cut-out thermostat TS-65/10
You will find further information for dimensioning heat sinks under the rubric heat sinks.
1) Dimensioned for 25 °C ambient temperature
Important note
- Module does not contain coaxial relay!
- Specifications subject to change without notice -
