Elad Fdm77 Hf Receiver Operating Manual
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The level of the 12 KHz output has been adjusted at the factory, but some more adjustment could be
needed to adapt the level with the sound card installed into your PC.
A fine adjustment of the level with your sound card you should enter the MAIN SETUP of the
FDM77 clicking the SETUP button in the cockpit.
With the MAIN SETUP wizard open click the calibration button. A new panel will popup
32 Set the level of the of the line input of the recording mixer until the message “sound card input level OK” appear on the upper left side of the panel. In case the fine adjustment is reached with the highest position of the sliding bar set the Hi -Lo switch located on the rear panel of FDM77 to Hi position and repeat the adjustment.
33 6 Specifications Specification Value Remarks Operating ranges A: 10 kHz – 30 MHz B: 48 MHz – 60 MHz A : 10 KHz to 100 KHz B: 55 MHz to 60 MHz With reduced performances Frequency resolution 1 Hz Min. Frequency stability 2 ppm after 15 min. warm -up Modes USB, LSB, CW, AM, FM, DRM Antenna connector 1 SO-239 (+ 10 V DC feedthr.) External antenna Antenna connector 2 BNC Indoor active antenna Input impedance 1 50 ohm SO-239 Input impedance 2 100 kohm // 10 pF BNC , indoor antenna Output connector Jack mono 3,5 mm Freq. out :12 KHz General configuration Superetherodyne Three conversions RF input switching Antenna1 / Antenna 2 Software controlled Front-end configuration 0 dB / + 10 dB / - 15 dB Direct / Preamp. / Atten. Preselectors Filters 1. 0,1 – 0,5 MHz 2. 0,5 – 1,6 MHz 3. 1,6 – 5,0 MHz 4. 5,0 – 9,0 MHz 5. 9,0 – 16,0 MHz 6. 16,0 – 30,0 MHz 7. 48,0 – 55,0 MHz PIN diodes and relè Input’s level 2,0 uV ÷ 300 mV 0,5 uV ÷ 30 mV Direct input SO 239 Indoor antenna input. IP3 (input) + 15 dBm Direct input AGC PIN DIODES on 1st IF FET on 2 nd IF Auto / Man IF 1st IF 70 MHz; 2 nd IF 455 kHz Output level 110 dBuV (350 mV rms) F out :12 KHz Sensitivity 5 uV (1,5 uV with preamp. on) 10 dB S / N mode SSB Sensitivity 2 uV (0,8 uV with preamp. on) 10 dB S / N mode CW Sensitivity 10 uV (3,5 uV with preamp. on) 10 dB S / N mode AM Sensitivity 10 uV (3,5 uV with preamp. on) 12 dB SINAD mode FM Sensitivity 30 uV (10 uV with preamp. on) BER 10E -3 mode DRM Selectivity (SSB,CW) 2,5 kHz a – 6 dB 5,0 kHz a – 60 dB PC Software filter off Selectivity (AM, FM, DRM) 9 kHz a – 6 dB 15 kHz a – 60 dB PC Software filter off Spurs & Image Rejection > 55 dB Power Supply + (11 ÷ 15) V DC; 500 mA Negative Ground Operating temperature +5 / +45° C Dimensions and weight (200 X 60 X 190) mm ; 1 Kg
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7 About
· Windows 2000 and Windows XP are registered trade mark of Microsoft Corporation
· USB 2.0 is a registered trade mark of USB IF
· ELAD software radio of FDM product line is a proprietary software devel oped by ELAD
srl (
http://www.eladit.net) and integrating software modules for :
· “DRM Channel Decoding technology licensed by Fraunhofer IIS” (
http://www.iis.fhg.de/dab/products/drmreceiver)
and software modules for
· “DRM Audio coding technology licensed by CODING TECHNOLOGIES” . (
http://www.codingtechnologies.com)
·
DRM is the only universal, non -proprietary digital AM radio system with near -FM quality
sound available to markets worldwide. (
http://www.drm.org)
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Declaration of Conformity
The device name
Software Defined Radio HF Receiver FDM - 77
made by ELAD S.r.l.
Address: Via Col De Rust, 11
33070 Sarone di Caneva (PN)
ITALY
is herewith confirmed to comply with the requirements se t out in the Council Directive on the
Approximation of the Law of Member States relating t o Electromagnetic Compatibility
(89/336/EEC,92/31/EEC,93/68/EEC)
The following standards and/or technical specifications h ave been applied:
ETSI EN 301 783 -1 V1.1.1
Electromagnetic compatibility and Radio Spectrum Ma tters (ERM);
Land Mobil Service;
Commercially available amateur radio equipment;
PART 1: Technical characteristics and methods of me asurement
ETSI EN 301 783 -2 V1.1.1
Electromagnetic compability and Radio Spectrum Matt ers (ERM);
Land Mobil Service;
Commercially available amateur radio equipment;
PART 2: Harmonized EN covering essential requiremen ts under article 3.2 of the
R&TTE Directive;
ETSI EN 301 489 -15 V1.2.1
Electromagnetic compability and Radio Spectrum Matt ers (ERM);
Electromagnetic Compatibility (EMC) standard for ra dio equipment and services;
PART 15: Specific conditions for commercially avail able amateur radio equipment;
Date: 7 May 2005
President:
Milan Franco