Summary of Contents for K&M Burkhard Reuter RSR200
- Page 1 Operator's Manual Direct Digitizing Black Box Receiver RSR200 Version: 1.0A Created: 07.01.2025 Last changed: 10.04.2025...
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Page 2: Table Of Contents
3. First steps....................6 3.1 Unpacking and first-time operation................6 3.2 General information on operation..................7 4. Specifications................... 12 5. Notes on RSR200 operation..............13 5.1 Data rates / bandwidths / reception ranges..............13 5.2 USB interface.......................15 5.3 LAN interface.......................15 5.4 Notes on reception.......................16 5.4.1 Remote control of active antennas................16... -
Page 3: Overview
1. Overview The Reuter Software defined Receiver “RSR200” is a receiver for high-frequency signals in the 1 kHz to approx. 250 MHz range. It works on the principle of direct digitization of the received signals and forwarding of the generated data stream to a personal computer (PC). The PC then undertakes the processing of the signals via software (“SDR”: Software Defined Receiver). - Page 4 (PC). The high data rates generated require a connection without the interposition of inhibiting routers, hubs, switches or similar. The RSR200 is designed to reliably maintain the necessary data flow. Control information is transmitted directly in the signal data stream. Data faults / delays therefore not only lead to interruptions in data processing, but also to malfunctions of the control system.
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Page 5: Safety Precautions
2. Safety precautions Please always keep the following safety precautions in mind! The device is intended for connection to a direct current low voltage. Only use safe power sources such as tested / certified power supplies or fused batteries. Never connect the device to a voltage other than that specified in the specifications, especially never to mains voltage! The device tolerates polarity reversal (reversal of + and –... -
Page 6: First Steps
Connect the power supply cable. The coaxial DC plug (“hollow pin” for 2.5 mm pin) must be plugged into the RSR200’s “+12 V” socket. The positive pole must be on the middle connection. It is marked as a red wire at the other end of the cable. At this end, the cable can be connected to pole terminals or fitted with plugs suitable for the power supply unit (e.g. -
Page 7: General Information On Operation
ExtIO*.DLL must be selected as the source for the reception data (for HDSDR via “Options [F7] → Select Input”). If the SDR program is successfully connected to the RSR200 hardware via the DLL, the reception signals appear in the SDR program. - Page 8 switched to HF2. The “HF2“ LED indicates activation. • DSP: - Selector switch for adjusting the signal processing: • Par: Parallel addition: The 16-bit data streams of the two ADCs are combined to form a 17-bit data stream. This results in a theoretical increase in SNR of 3.01 dB (practically achievable are around 2 dB).
- Page 9 80°C! - Osz Hz / Lock: Display of the mixed frequency (controlled by the SDR program) generated in the RSR200 to produce the output spectrum. The data streams of the two channels are mixed with this frequency and the correspondingly frequency-shifted spectrum is forwarded to the interfaces.
- Page 10 RSR200 via network connection (see below). - S/N and “Connect” button: You can enter the serial number of an RSR200 under which the device is to be found in the WAN (home network, Internet, ...) here. Press the “Connect” button to search for the RSR200 within the network via DNS.
- Page 11 SDR program and do not switch off the RSR200 until the update is successful! Caution! Aborted updates can lead to total failure of the RSR200! In this case, the firmware can only be restored by basic firmware reprogramming at the manufacturer.
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Page 12: Specifications
4. Specifications Dimensions (W x H x D): 135 mm x 53 mm x 110 mm (without connectors / control elements) Frequency range (-3 dB): 1 kHz … 66 MHz (HF1 and 2), 66 … 150 MHz (VHF) Clipping limit (ATT = 0 dB): 0 dBm (HF1 and 2), +5 dBm (VHF, PreAmp off) Input level max: +13 dBm... -
Page 13: Notes On Rsr200 Operation
RSR200’s effective operation, it is strongly recommended that you consult the relevant basic literature. When operating the RSR200, particular attention must be paid to the position of the “Nyquist zones”, which depend on the ADC clock frequency. These are the areas that can be digitized “in a row” without signal interference (“aliasing”) occurring. - Page 14 Use of SerL and SerU: In order to mitigate the requirements for anti-aliasing filters, especially in the VHF range, the RSR200 has a special operating mode: “Ser” (serial connection of the two ADCs). This means that the sampling times of the ADCs are shifted against each other so that the input signal appears to be sampled at twice the frequency (serially one after the other).
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Page 15: Usb Interface
USB interface the first choice when it comes to large bandwidths. The RSR200 uses an interface circuit from FTDI (FT601Q). This requires a USB driver on a Windows PC to establish the USB connection. FTDI circuits are widely used and the appropriate driver is often already installed on the PC. -
Page 16: Notes On Reception
(“remote power supply”). The RAP1 always requires its own power supply (can be the same as that of the RSR200). The first control unit can be switched to input HF1 or VHF (selection in the control panel “CH 1” according to the selected signal input). Control unit 2 is always permanently connected to HF2. -
Page 17: Updates
Caution! Do not use a DLL in the SDR program that does not match the firmware of the RSR200! The RSR200 can then only operate to a limited extent or not at all. In particular, never carry out an update if the K &... -
Page 18: Version 1.0A
(chargeable) reprogramming by the manufacturer. Note: Whether the RSR200 firmware and the DLL used in the PC match can be easily recognized by the version numbers displayed in the CON panel. The firmware version displayed after “RSR200” must correspond exactly to the DLL version displayed at the bottom right (the separating dot is meaningless).
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