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KU LNA BB 2240 A
Low Noise Broadband Preamplifier, 225 ... 400 MHz
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The high linear preamplifier KU LNA BB2240 A is designed for the UHF communications band. It features best large signal performance and a low noise figure. Internally it uses 3dB hybrids for input and output coupling. This leads to good input return loss, output return loss and high third order intercept point (IP3). The preamplifier contains a bias-T for remote power supply via coaxial cable and a solder pin for direct power supply.
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Specifications & Resources for KU LNA BB 2240 A
Ideal application and market usage
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Ideal applications
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Survey and measurement
- Moisture content measurement
- EMC Testing
- RF performance testing
- RF systems support
- Spectrum monitoring
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Infrastructure management
- Sensing and telemetry support
- Traffic monitoring
- Remote control
- Emergency response
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Position, navigation and timing
- GNSS
- Maritime navigation
- Avionics
- Quantum computing
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Spectrum management
- Spectrum monitoring
- Source geolocation
- Radio direction finding
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Survey and measurement
- Design Features
- Low noise figure; Large bandwidth; High IP3 and high output power; Very good input return loss (S11); Static protection (ESD) at preamplifier input; Overvoltage protection and reverse polarity protection; Remote power supply via output connector; Solder pin for direct power supply; Milled aluminium case
- Frequency range
- 225..400 MHz
- Noise figure @ 18 °C
- typ. 1.1 dB, max. 1.5 dB
- Gain
- typ. 20 dB
- Gain flatness
- max. +/- 2.5 dB
- Maximum input power
- 100 mW
- Output power (P1dB)
- typ. 630 mW (+28 dBm)
- Output power (Psat)
- min. 1000 mW (+30 dBm)
- Output IP3
- typ. +44 dBm @ 300 MHz
- Input return loss (S11)
- typ. 15 dB, min. 11 dB
- Supply voltage
- +12 ... 15 V DC
- Current consumption
- -20 ... +55 C
- Case
- milled aluminium
- Dimensions (mm)
- 78 x 41 x 22
- Weight
- typ. 100g
