The RDR50A is a radio receiver with a transceiver options and is based on two 16 bit ADC with DSP.
Photo by reuter-elektronik.de
Frequency range 1 kHz – 30 MHz and 50 MHz – 54 MHz
Units with option “FM” in addition 87.5 MHz – 108 MHz and 144 MHz – 148 MHz
Units with option “sender” allow release in nine amateur bands below 30 MHz
Headroom: 0 dBm (up to 54 MHz), -24 dBm (FM)
IP3 values ??up to +30 dBm (below 30 MHz, 2 x -10 dBm signal)
Sensitivity to 30 MHz (20 dB SNR): 5 uV 50% AM and FM wide 0.8 uV 75 kHz deviation
MDS (CW, 10 Hz bandwidth) -143 dBm
switchable gain and attenuation to increase the sensitivity or the swing of
Demodulators: AM, AM-Sync, SSB, CW, FM narrow and wide, ZF-out, Baseband Out
Spectral resolution: 5 Hz – 320 Hz / line, spectrum width 600 lines
Transmit power (only units with option “sender”): 5 W PEP
Remote control via USB
external power supply +12 V … +16 V max. 2 A
There are 4 versions of RDR50
RDR50 and RDR54 (Photo by reuter-elektronik.de)
RDR50 and RDR54 in two versions (Photo by reuter-elektronik.de)
Receiver – RDR54
(Photo by reuter-elektronik.de)
Digital communications receiver with 17-bit analog-digital conversion and DSP 0-31 MHz + 50 – 54 MHz. Stand-alone unit without PC ~ 230V AC adapter and built-in speakers. Very high selectivity by 136 dB precise time-frequency transformation by newly developed principle. Many settings and display features (including waterfalls) to high contrast and fast WVGA TFT display with anti-reflective windscreen.
RDR50A1: Receiver for HF and 6 meter bands: 1.595, – ?
RDR50A2 how RDR50A1 with FM: 1.795, – ?
RDR50A3: Transceiver for HF and 6 meter bands: 1.995, – ?
RDR50A4 how RDR50A3 with FM: 2.195, – ?
HAM Radio 2011 polyglott A short reportage about the HAMRADIO 2011 in Friedrichshafen Germany. That was 184 exhibitors and unions from 29 countries - an international event. We didn't translate the film because we didn't know...