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2 FDM-S2 Overview
2.1 Sampler Exploit
FDM-S2 is the second born device in our ELAD SDR SAMPLER line. This product line is developed to give
the user the possibility to exploit and study the capability of Sampling technique.
With 122.88MHz sampling frequency FDM-S2 can offer the possibility to be a good HF and 6m receiver,
but also allow to receive FM Band and part of VHF Band simply adding appropriate pre-selection filters
in the front-end of ADC.
Some users of FDM-S2 already exploit the under-sampling technique to use it as pan adapter tuning it at
IF frequencies of 68-70 MHz of their transceivers, while others use it to monitor the spectrum of a
particular known frequency.
2.2 Front Panel Description
Power Led
Turns on when the receiver is connected to a USB port of the PC and it is switched on
Communication Led
Shows the communication between the receiver and the PC
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3.2 FDM-S2 USB driver
3.2.1 FDM-S2 USB driver installation in Windows 8 and Windows 7
3.2.1.1 First driver installation
To install ELAD FDM-S2 driver, connect FDM-S2 sampler to a USB 2.0 socket on PC to power on the
device. When Windows detects the new hardware, follow the steps listed below to install driver
correctly:
Open Control Panel from Start menu, select “System” and “Device Manager”. Expand “Other Devices”
node: the system reads FDM-S2 firmware version named as FDMS2 USB FW 2.X.
Select FDMS2 USB FW 2.5, right click on it and execute “Update driver software”.
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When Windows starts the installation procedure, select the option “Browse my computer for driver
software” (the second option).
In the next dialog-box, insert the driver folder location using “Browse” button and check the option
“Include subfolders”. In this way manual driver search is enabled.
For 32 bit system select the folder: C:\Program Files\ELAD\ELAD FDM-SW2\ELAD_FDM_Driver
For 64 bit system select the folder: C:\Program Files (x86)\ ELAD\ELAD FDM-SW2\ELAD_FDM_Driver
Then click “Next”.
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Click Install.
Let the hardware installation automatically completes and, at the procedure ending, click on “Close”;
then disconnect and connect FDM-S2 device on the same USB socket.
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3.2.2 FDM-S2 USB driver installation in Windows XP
3.2.2.1 First driver installation
To install ELAD FDM-S2 driver, connect FDM-S2 sampler to a USB 2.0 socket on PC to power on the
device. Windows XP detects the new hardware and starts the hardware installation wizard. Then, next
steps to install FDM-S2 driver are listed below:
At the first dialog box, select the last option “No, not this time” and “Next”.
Select “Install from a list or specific location (Advanced)” and “Next”.
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In the next dialog-box, check the options “Search for the best driver in these location”and “Include this
location in the search”to enable manual driver search. Clicking on “Browse”, select the path where the
driver folder is located: Local Drive (C:) \Programs\ELAD\ELAD FDM-SW2\ELAD_FDM_Driver. Then click “Next”.
Let the hardware installation automatically completes and click on “Finish”; then disconnect and
connect FDM-S2 device on the same USB socket.
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3.2.2.1 Driver installation verify in Windows 8 and Windows 7
To verify FDM-S2 driver current version, connect the device to USB socket (where the device driver is
already installed) and open Control Panel from Startmenu. Click on “System” and select “Device
Manager”.
Expanding “ELAD Samplers” node, FDM-S2 device driver is installed as “ELAD FDM-S2-25”: right click on
“ELAD FDM-S2-25” and select “Properties”.
When dialog box opens, select “Driver” label: you must read provider name, current driver release date
and current driver version. The figure shows an old FDM-S2 driver version.
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3.2.2.2 Manual driver update
To update FDM-S2 driver, connect the device to USB socket (where the device driver is already installed)
and open Control Panel from Startmenu. Click on “System” and select “Device Manager”.
Under “ELAD samplers” list, the driver for FDM-S2 is installed as “ELAD FDM-S2-25”. Select “ELAD FDMS2-25”, right click on it and execute “Update driver”.
When Windows starts the installation procedure, select the last option “Browse my computer for driver software”.
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In the next dialog-box, disable the option “Include subfolders” and choose “Let me pick from a list of
device drivers on my computer”. Don’t click “Next”.
Verify that “Show compatible hardware” option is checked and ELAD FDM-S2 is selected: then click on “Have a Disk”. In this way the manual driver update is enabled. Don’t click “Next”.
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Click on “Browse” and search for FDM-S2 driver update folder location; then open
winusb_fdmsampler.inf file. Click “OK” and then “Next”.
Let the hardware installation automatically completes and, at the procedure ending, click on “Close”;
then disconnect and connect FDM-S2 device on the same USB socket.
To verify that a correct update is done, enter “Device Manager” in Control Panel; under “ELAD samplers”
label select ELAD FDM-S2 driver (see sub-chapter “2.2.1.2 Driver installation verify”): right click on it and choose “Properties”: select “Driver” label to visualize the last driver version (an example is depicted in
figure below).
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3.2.2.3 Driver installation verify in Windows Xp
To verify FDM-S2 driver current version, connect the device to USB socket (where the device driver is
already installed) and open Control Panel from Startmenu. Click on “System” and select “Device
Manager” under “Hardware” label.
Expanding “ELAD Samplers” node, FDM-S2 device driver is installed as “ELAD FDM-S2-25”: right click on
“ELAD FDM-S2-25” and select “Properties”.
When dialog box opens, select “Driver” label: you must read provider name, current driver release date
and current driver version. The old ELAD FDM-S2 driver version is shown in figure below as example.
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3.2.2.4 Manual driver update in Windows Xp
To update FDM-S2 driver, connect the device to USB socket (where the device driver is already installed)
and open Control Panel from Startmenu. Click on “System” and select “Device Manager” under
“Hardware” label.
Select “ELAD FDM-S2” from “ELAD Samplers” list, right click on it and execute “Update driver ”
Now Windows XP launches the hardware update wizard: select the last option “No, not this time” and
“Next”.
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At next step select “Install from a list or specific location (Advanced)” and “Next”.
Then, disable all check-boxes that the system automatically sets and choose the last option for manual
driver update, as depicted in figure. Select “Next”.
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Now driver update starts: at next dialog box select “Continue Anyway” and ignore the warning.
Let the hardware update automatically completes and, at the procedure ending, click on “Finish”; then
disconnect e connect FDM-S2 device on the same USB socket.
To verify that a correct update is done, enter “Device Manager” from Control Panel; under “Universal
Serial Bus controllers” list, select ELAD FDM-S2 driver (see chapter “2.2.2.2 Driver installation verify”)
right click on it and choose “Properties”. Select “Driver” label to visualize the last driver version (an
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ELAD FDM-S2
TECHNICAL SPECIFICATIONS
GENERAL
Frequency Coverage
HF+50MHz Band (10 kHz ÷ 54 MHz): Direct Sampling Mode
VHF1 Band (74-108MHz): Undersampling Mode
VHF2 Band (135-148MHz): Undersampling Mode
Bypass for experimenting use
Antenna Connectors
HF+50MHz Band input: SMA (50 Ω) SMA/BNC adapter included
VHF1 & VHF1 Bands input: SMA (50 Ω) SMA/BNC adapter included
Temperature Range
0 ÷ 40 °C
PC Interface
High-Speed USB 2.0 (480 Mbit/s)
Power Supply
USB powered with double USB cable (included)
Power Consumption
Less than 4 W (5 V-750 mA) from USB (double USB cable required)
With slow Sample Rate Dlls (for example 192kSamp/sec) typical 2.6 W
External I/O Connector
Female DB9 (mute control, I2C and SPI interface)
Absolute Maximum
RF Input Level
+20 dBm
Dimensions
110 (W) x 40 (H) x 90 (D) mm
Weight
360 g
HF+50MHz
Band
RECEIVER
Configuration
Direct sampling – ADC DDC with FPGA Xilinx Spartan6 XC6LXC25
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Declaration of Conformity (FCC)
The product marked as
FDM-S2
manufactured by
Manufacturer: ELAD S.r.l.
Address: Via Col De Rust, 11 - Sarone
33070 CANEVA (PN)
complies with the following requirements:
- FCC (Federal Communications Commission) Part 15
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuan t to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Changes or modification not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
FCC ID: 2AAE5FDM-S2
This product is distributed in USA by:
ELAD USA Inc.
7074 N RIDGE BLVD APT 3E
CHICAGO , IL 606453586
USA