
BBV 9743 B – Broadband Preamplifier
Frequency range (nominel): | 10 MHz – 6 GHz |
Noise figure: | typ. <2.7 dB (1.0 GHz) |
Gain: | typ. +28 dB |
Amplitude flatness: | < ± 3 dB |
1 dB compression point at input: | > -18 dBm |
(89 dBµV) | |
Impedance: | 50 Ω |
VSWR input / output: | < 2 : 1 |
Ambient temperature: | -10°C … +60°C |
Power supply: | + 10-15 V |
120 mA | |
Material of the housing: | Aluminium |
Housing dimensions: | 42 x 35 x 27 mm |
Overall dimensions: | 82 x 38 x 27 mm |
Weight: | 150 g |

BBV 9744 – Broadband Preamplifier
Frequency range (nominel): | 9 kHz – 6 GHz |
Noise figure: | typ. 2.5 dB (1.0 GHz) |
Gain: | typ. +28 dB |
Amplitude flatness: | typ. < ± 3 dB |
1 dB compression point at input: | > -20 dBm |
(87 dBµV) | |
Impedance: | 50 Ω |
VSWR input / output: | typ. < 2 : 1 |
Ambient temperature: | -10°C … +60°C |
Power supply: | + 10-15 V |
120 mA | |
Material of the housing: | Aluminium |
Housing dimensions: | 42 x 35 x 27 mm |
Overall dimensions: | 82 x 38 x 27 mm |
Weight: | 160 g |

BBV 9745 – Broadband Preamplifier
Frequency range (nominel): | 10 MHz – 6 GHz |
Noise figure: | typ. <2.7 dB (1.0 GHz) |
Gain: | typ. +28 dB |
Amplitude flatness: | < ± 3 dB |
1 dB compression point at input: | > -18 dBm |
(89 dBµV) | |
Impedance: | 50 Ω |
VSWR input / output: | < 2 : 1 |
Ambient temperature: | -10°C … +60°C |
Power supply: | + 10-15 V |
120 mA | |
Material of the housing: | Aluminium |
Housing dimensions: | 42 x 35 x 27 mm |
Overall dimensions: | 82 x 38 x 27 mm |
Weight: | 150 g |

BBV 9748 – Broadband Preamplifier
Frequency range (nominel): | 10 MHz – 8 GHz |
Noise figure: | typ. 2.7 dB (1.0 GHz) |
Gain: | typ. 29 dB |
Amplitude flatness: | < ± 3 dB |
1 dB compression point at input: | > -17 dBm |
Impedance: | 50 Ω |
VSWR input / output: | < 2 : 1 |
Ambient temperature: | -10°C … +60°C |
Power supply: | +10-15 V |
120 mA | |
Material of the housing: | Aluminium |
Housing dimensions: | 42 x 28 x 29 mm |
Overall dimensions: | 85 x 36 x 29 mm |
Weight: | 130 g |

BBV 9718 D – Microwave Broadband Preamplifier
Low Noise Low Power Wideband Amplifier for increasing sensitivity at fieldstrengthmeasurements and for general attenuation measurements up to 18 GHz. Due to the built-in rechargeable battery, operation without power supply is possible for approx. 8h.
Nominal frequency range: | 1 – 18 GHz |
Useable frequency range: | 0.5 – 20 GHz |
Connectors: | 50 Ω N/SMA |
Mounting tube: | d=22 mm |
Noise figure: | 2 dB |
Gain: | typ. 30 dB ± 5 dB |
SWR typ.: | <2 |
Max. Input Power: | -10 dBm (97 dBµV) |
Dimensions: | 155 x 80 x 67 mm |
Weight: | ~1.0 kg |

BBV 9719 – Microwave Broadband Preamplifier
Frequency range (nominel): | 18 – 26.5 GHz |
Useable frequency range: | 12 – 28 GHz |
Gain: | typ. 33 dB ±2 dB |
Gain min.: | 30 dB |
SWR typ.: | <2 |
Max. input power: | -20 dBm (87 dBµV) |
1 dB Compression:(at output) | >+17 dBm (124 dBµV) |
Noise Figure: | 3.5 dB |
Connectors: | 50 Ω SMA |
Supply Voltage: | 12 V – 15 V DC |
Current Consumption: | 250-300 mA |
Power Supply via female Banana sockets: | 4 mm |
Dimensions: | 210 x 100 x 60 mm |
Weight: | 150 g |
Including short cable with SMA plugs to connect the BBV 9719 with the antenna (for example BBHA 9170)
Options:
Option Akku: Rechargeable battery pack for BBV 9718 or 9719.
Option ALCS 2-24A: Battery charger ALCS 2-24A for rechargeable battery pack.
Option PS: Power supply for BBV 9718 or 9719.

BBV 9721 – Microwave Broadband Preamplifier
The BBV 9721 is a low noise low power wideband preamplifier to increase sensitivity during field strength-measurements and for general attenuation measurements up to 40 GHz.
Frequency range (nominel): | 18 – 40 GHz |
Gain: | typ. 35 dB ±4 dB |
Gain min.: | 27 dB |
SWR typ.: | <2.6 |
Max. input power: | -20 dBm (87 dBµV) |
1 dB Compression:(at output) | >+15 dBm (122 dBµV) |
Noise Figure: | 5.5 dB |
Connectors: | 2.92 mm 50 Ω |
Power Supply 1: | + 8 V / 400 mA DC |
Power Supply 2: | – 8 V / 50 mA DC |
Power Supply via female Banana sockets: | 4 mm |
Dimensions: | 370 x 95 x 65 mm |
Weight: | 860 g |
Including short cable with 2.92 plugs to connect the BBV 9721 with the antenna (for example BBHA 9170)
Options:
Option PS 9721: Power supply unit for BBV 9721 including cables with secuity plugs can be used for 110 V and 230 V
Datenblatt PS 9721
Option PS 9721 Battery: Power supply unit with integrated accumulator battery for BBV 9721 including cables with secuity plugs can be used for 110 V and 230 V
Datenblatt PS 9721