This receiver will make you listen up
The new shortwave receiver RadioJet 1102S from Bonito combines innovative design with the advantages of modern computer technology. It has a frequency range of 0,04 MHz to 30 MHz, the smallest detectable signal 3 dB over noise is at -134 dBm, linearly over a signal width of 16 kHz, being displayed on an extended spectrum with 24 kHz. The Noise floor is extremely low, because there are no active parts between the Antenna and the ADC.
This radio is no SDR, although it is exclusively controlled by a computer. The RadioJet is a shortwave receiver with a built-in USB Audio device and a 24 kHz multi-channel IM jack.
The software comes with several frequency lists which can be sorted and edited and are connected to the integrated world map. Even the actual position of the sun is displayed here, which supports the challenging greyline reception of distant signals.
DRM reception also is built-in: no additional software or license key is needed! And friends of the Macintosh OS will be happy to notice that operation is possible under Parallels also.
Updates are carried out online and menu-guided, without manual deinstallation or restart of the OS.
The electronic of this receiver is based on a practise-oriented concept. For example, there is no AGC but two digital output channels with different signal levels. Each of these channels has -15 dB ATT and can amplify or attenuate the input from -16 to +45 dB continuously. The complete large signal is given to the RX channel as a 144dB scaled signal, while simultaneously a ~40 dB stronger signal is available at the DX channel. This receiver can process an extremely weak signal without being attenuated by another signal in its neighborhood. In this way, no strong transmitter can suppress a weaker one or can overmodulate the receiver to such a degree that the signal becomes unintelligible.
A special feature is the filter section; the bandwidth can not only be adjusted continously, the filter curve can be drawn with the mouse so it fits exactly to a paticular receiving situation. This implies not only the optimal deviation of the filter curve, several user-defined notch filters are possible, too!
A power supply is not necessary, the device is powered via the USB port of the PC.
The GUI is very flexible and comes with a selection of skins which can be customized to personal needs.
The options of the RadioJet will convince professionals and SWLs alike.
The rear view of the Radiojet:
|Technical Data Software
||real sampling = no I/Q-Complex
||LSB, USB, CW, AM, FM, Stereo-DRM
||variable 100-24000 Hz at +/- 5 kHz Shift variable 100-24000 Hz at +/- 5 kHz Shift
||Manually (mouse) adjusted filter for Notch and Bandpass
||Record and Playback 24 kHz / 48000 Samples
||24 kHz / 160 dB with 3D-LandScape and TimeSpect
|Technical Data IF-Receiver
||0,04 MHz – 30 MHz in 1 Hz steps
||16 kHz crystal filter operated as 10-pol roofing hilter incl. notches
||MDS -134 dBm = 0,03 µVolt
MDS (minimum detectable signal 3 dB over noise)
||>90dB / 1.IF (LO + 45MHz) >70dB / 2.IF (In-Band -24KHz)
||~96.32 dB real
||max. 220mA USB-Powered< via USB-Port >
|Size / weight
||112 x 103 x 31mm / 0.22kg
||active Mixer 45.012 MHz + VFO no AGC
2 x 16 Bit ADC, for 2 levels, operated as RX and DX channel
Intel Pentium M with 1 GHz or higher, Windows 7, Vista, XP & 2000, Parallels Desktop 7 for Mac; 512 MB RAM, Graphic with 32 Bit Colors and 1024x600 resolution, Internet connection.
Some screenshots of the operating software