FT 7848_GB 7848 Datasheet
2016-07-28
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DVB-T
DVB-T2
DVB-S
DVB-S2
SEFRAM 7848
Sefram
Sefram
The 7848 offers a bright and panoramic hight quality LCD display for
measurements results and free-to-air MPEG-2 / MPEG-4 programs
display.
Panoramic LCD with display of
MPEG-2 and MPEG-4* TV programs
The 7848 has a very simple and intuitive man-machine inter-
face. Special functions have been added to save time and
money.
All necessary functions
and tools to save time
The 7848 includes one USB interface for updating and getting
the benefit of free firmware update.
USB interface
The 7848 includes a checksat mode for satellite and a special
tool to align terrestrial antennas. User will have a graphical
information combined with a beeper.
Checking the alignment
of antennas
With its panoramic 7 inches touch screen, you have full
benefit of the touch screen technology: intuitive access to
functions, menus and measurements. The new rugged hou-
sing with protective bumpers is designed for extensive field
use and protection of sensitive parts of the instrument.
Touch screen, compact,
robust and easy to use
* only for free-to-air
Home page for terrestrial: simple
and intuitive
Home page for satellite
Echoes / guard interval (terrestrial)
Alignment of terrestrial antenna
with 4 multiplex
Spectrum in terrestrial mode
All measurements on a single screen
Make sure to visit
our Website
http://www.sefram.fr
The ideal companion for Digital Terrestrial TV
(DVB-T, DVB-T2/T2) and Digital Satellite (DVB-S/S2)
Display SD and HD* TV programs
The 7848 provides all measurements in DVB-T/T2, DVB-S/S2.
For each digital standard, we provide all measurements, inclu-
ding BER, MER, lost packets, noise margin and echoes analysis.
All digital measurements in
DVB-T, DVB-T2 , DVB-S and DVB-S2

FT7848 A01 - Specifications can be updated without notice
SEFRAM 7848
Terrestrial & satellite TV Meter
Sefram
Sefram
For assistance and ordering
Optional accessories : • Sun protector + rain protector + belt hanger kit : 978489000
• Car cigar lighter adapter : 978361000
• Rain protector : 978489500
Supplied with : main wall plug adapter, user's manual (CD-ROM), F adaptor, carrying belt, carrying pouch.
32, rue Edouard Martel - BP55- 42009 - St Etienne - cedex 2
Tél. +33 (0) 4.77.59.01.01
Fax. +33 (0) 4.77.57.23.23
Web : www.sefram.fr - e-mail : sales@sefram.fr
Specifications Terrestrial band Satellite band
Frequency
Range 45-900 MHz 900-2200 MHz
Resolution Measure: 50kHz, display: 1kHz Measure and display: 1 MHz
Level measurements
Dynamic range 20-120 dBµV 30-110 dBµV
Measurements level, RF power, C/N level, RF power, C/N
Noise level 10dBµV (typical) 20dBµV (typical)
Units dBµV dBµV
Accuracy ±2dB ± 0.05dB/°C ±2dB ± 0.05dB/°C
Resolution 0,1dB 0,1dB
Measurement filters 100kHz, 300kHz, 1MHz 1MHz, 3MHz, 10MHz
Standards B, G, D, K, I, L, M, N, FM, DVB-T/H/T2/T2Lite, PAL, SECAM, NTSC, DVB-S, DVB-S2, DSS
DVB-C/C2 (level measurements only)
Digital measurements DVB-T/H DVB-T2 DVB-S / DSS DVB-S2
BERi (before Viterbi), Before LDPC CBER, BERi, BERo, UNC, LDPC (BERi), BCH (BERo),
Error rate BERo (after Viterbi), BCH (after LDPC) PER, Link margin Link Margin
UNC/PER (lost packets),
FER (lost packets, after BCH)
NM (Noise Margin)
Modulation Error Rate (MER)
5-35dB 5-35dB 0-20dB 0-20dB
Bandwidth 6, 7 or 8 MHz 1.7, 5, 6, 7 or 8 MHz --
Symbol rate --1-45Ms/s 1-45Ms/s
Viterbi 1/2, 2/3, 3/4, 5/6, 7/8 (auto) 1/2, 3/5, 2/3, 3/4, 4/5, 5/6,
1/2, 2/3, 3/4, 5/6, 6/7, 7/8, auto 2/5, 1/2, 3/5, 2/3, 3/4, 5/6,
1/3, 2/5, auto 8/9, 9/10, auto
Guard interval auto, manual auto auto auto
Inverted spectrum auto auto auto auto
Carriers / FFT 2k / 8k (auto) 1k, 2k, 4k, 8k, 16k, 32k -
+ band extention
HP/LP - PLP- Data Slice HP/LP PLP --
Standards EN 300-744 ETS 302-755 ETS 300-421 ETS 302 307
Spectrum analysis
Sweep rate 350 ms typical, 400 points
Filters 100kHz, 300kHz, 1MHz 1MHz, 3MHz, 10MHz
Attenuator automatic (0 to 55 dB, with 5 dB steps)
Dynamic (display) 60 dB (10 dB/div) 60 dB (10 dB/div)
Span 5MHz to full span in 1-2-5 sequence
Pointing mode
fast search of transmitter fast search of satellite
10 transmitters max 30 satellites max
4 multiplex per transmitter 4 transponders per satellite, with NIT
Input / output
Interface USB A, Ethernet 10/100 baseT
Power supply 15V / 1A with 5.5mm jack
Remote supply
Voltage 5V/13/18V/24, 500mA max 13V/18V, 500mA max
DiSEqC - DiSEqC 1.2: dishes, committed
and uncommitted switches
22 kHz (mini DiSEqC) - 22 kHz / 0,6V cc
SatCR and DCSS - DiSEqC protocol extention, 8 slots maximum
RF input
Connector 75 Ohms (F/BNC adapter supplied)
Maximum input voltage 70 V DC, 50 Vrms/50Hz max
(DC or AC peak)
Audio and video decoding
Audio MPEG-1, MPEG-2, AAC, HE AAC, Dolby® Digital, Dolby® Digital Plus
Service table SDT, LCN
Video MPEG-2 SD and MPEG4 HD (high definition H264)
General specifications
Display 7 inches (16:9), LCD TFT, backlight (500 cd/m2), resolution: 800 x 480
Power supply main adaptor 100-240V, output: 15V DC / 1A
Battery (factory installed) Lithium Ion (25W)
Autonomy 2 hours (typical)
Charging time 80% charging in 1H15
Operating temperature -5°C to 45°C
Storage temperature -10°C to 60°C
EMC and safety NF-EN 61362-1 / NF-EN 61326-3 / NF-EN 61010-1
Dimensions 250 x 165 x 65 mm
Weight 1,35kg
Warranty 1 year