ELAD FDM-S2, Руководство пользователя

Страница: 30 / 32

ELAD FDM-S2 User Manual Rev 1.05 10/2014
© 2014 ELAD S.r.l. All rights reserved. No part of this document may be reproduced, published, used, disclosed or disseminated in any form or
by any means, electronic, photocopying or otherwise, without prior written permission of ELAD S.r.l.
30
FDM-S2 Technical Specifications
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, I
2
C 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
A/D Conversion 122.88 MSPS @ 16 bit/sample
Sensitivity
HS
(1)
Typical:
-122 dBm (CW, BW 500 Hz, 10 dB (S+N)/N)
LS
(2)
Typical:
-110 dBm (CW, BW 500 Hz, 10 dB (S+N)/N)
3
rd
Oder Intercept Point
HS
(1)
Typical:
+23 dBm @ 14 MHz, Spacing 2 kHz
+16 dBm @ 50 MHz, Spacing 2 kHz
LS
(2)
Typical:
+31 dBm @ 14 MHz, Spacing 2 kHz
+25 dBm @ 50 MHz, Spacing 2 kHz
Blocking Gain
Compression
Typical: > 115 dB @ 10 MHz, Spacing 2 kHz, CW, BW 500 Hz
Noise Floor (MDS)
HS
(1)
Typical:
-132 dBm @ 14 MHz, CW, BW 500 Hz, NR
(3)
Off
-138 dBm @ 14 MHz, CW, BW 500 Hz, NR
(3)
On
-130 dBm @ 50 MHz, CW, BW 500 Hz, NR
(3)
Off
-136 dBm @ 50 MHz, CW, BW 500 Hz, NR
(3)
On
LS
(2)
Typical:
-120 dBm @ 14 MHz, CW, BW 500 Hz, NR
(3)
Off
-126 dBm @ 14 MHz, CW, BW 500 Hz, NR
(3)
On
-118 dBm @ 50 MHz, CW, BW 500 Hz, NR
(3)
Off
-124 dBm @ 50 MHz, CW, BW 500 Hz, NR
(3)
On
Clipping Level HS
(1)
: -8 dBm @ 14 MHz, -12 dBm @ 50 MHz LS
(2)
: +4 dBm @ 14 MHz, 0 dBm @ 50 MHz
Internal Spurious Carriers Typical: < -115 dBm @ 384 kSamp/sec, HS
(1)
VHF1
Band
RECEIVER
Configuration Undersampling – ADC DDC with FPGA Xilinx Spartan6 XC6LXC25
A/D Conversion 122.88 MSPS @ 16 bit/sample
Sensitivity
(WBFM @ 12 dB SINAD)
HS
(1)
Typical: 2.5 µV @ 98 MHz LS
(2)
Typical: 10 µV @ 98 MHz
3
rd
Oder Intercept Point HS
(1)
Typical: +21 dBm @ 98 MHz, Spacing 2 kHz LS
(2)
Typical: +29 dBm @ 98 MHz, Spacing 2 kHz
Noise Floor (MDS)
HS
(1)
Typical:
-126 dBm @ 98 MHz, CW, BW 500 Hz, NR
(3)
Off
-132 dBm @ 98 MHz, CW, BW 500 Hz, NR
(3)
On
LS
(2)
Typical:
-114 dBm @ 98 MHz, CW, BW 500 Hz, NR
(3)
Off
-120 dBm @ 98 MHz, CW, BW 500 Hz, NR
(3)
On
Clipping Level HS
(1)
: -3 dBm @ 98 MHz LS
(2)
: +9 dBm @ 98 MHz
Internal Spurious Carriers Typical: < -110 dBm @ 384 kSamp/sec, HS
(1)
VHF2
Band
RECEIVER
Configuration Undersampling – ADC DDC with FPGA Xilinx Spartan6 XC6LXC25
A/D Conversion 122.88 MSPS @ 16 bit/sample
Sensitivity
(FM @ 12 dB SINAD)
Typical:
0.4 µV @ 145 MHz, NR
(3)
Off
0.2 µV @ 145 MHz, NR
(3)
On
3
rd
Oder Intercept Point Typical: +5 dBm @ 145 MHz, Spacing 2 kHz
Noise Floor (MDS)
Typical:
-137 dBm @ 145 MHz, CW, BW 500 Hz, NR
(3)
Off
-143 dBm @ 145 MHz, CW, BW 500 Hz, NR
(3)
On
Clipping Level Typical: -19 dBm @ 145 MHz
Internal Spurious Carriers Typical: < -100 dBm @ 384 kSamp/sec
FM Band Rejection
> 60 dB
Typical: 75 dB
Measured: 80dB @ 145 MHz, Interferer @ 100.76 MHz
(1)
High Sensitivity Mode,
(2)
Low Sensitivity Mode,
(3)
Noise Reduction
All stated specifications and other product information provided in this document are subject to change without notice or obligation.
Rev. 1
02/2014