New Products

DEHNgate
DGA TV
SPDs for Coaxial Connection
DGA GFF TV
DGA GFF TV
DGA FF TV
DGA GF TV
90
131
45
68
49
TP
protected
DGA GF TV
DGA FF TV
27 7
(1.5 mods.)
44
52
• Frequency range for analogue and digital
TV, also suitable for reverse LAN
channels
• Arresters of type FF and GFF with integrated
measuring output
• Three types for adapted use in conformity
with the lightning protection zones
concept at the boundaries from
0 A – 2 (combined lightning current and
surge arresters of type GFF),
0 A – 1 (lightning current arresters of
type GF) and
1 – 2 (surge arresters of type FF)
Basic circuit diagram DGA GFF TV consisting of
DGA GF TV and DGA FF TV
Dimension drawing DGA GFF TV consisting of
DGA GF TV and DGA FF TV
DGA ... TV are arresters with F connection for remote supply for protecting 75 ohm satellite and
broadband cable systems. They fulfil the high shielding requirements of class A according to
EN 50083-2. They allow space-saving installation into all common TV and satellite applications and
are available as lightning current arresters, surge arresters as well as combined lightning current
and surge arresters with integrated measuring output for testing installations.
Type DGA FF TV DGA GF TV DGA GFF TV
Part No. 909 703 909 704 909 705
SPD class W H H_
Max. continuous operating d.c. voltage (U C ) 24 V 60 V 24 V
Nominal current (I L ) 2 A 2 A 2 A
D1 Lightning impulse current (10/350 μs) (I imp ) 0.2 kA 2.5 kA 2.5 kA
C2 Nominal discharge current (8/20 μs) (I n ) 1.5 kA 10 kA 10 kA
Voltage protection level for I imp D1 (U P ) ≤ 230 V ≤ 700 V ≤ 230 V
Voltage protection level for I n C2 (U P ) ≤ 300 V ≤ 700 V ≤ 300 V
Voltage protection level at 1 kV/μs C3 (U P ) ≤ 60 V ≤ 600 V ≤ 60 V
Frequency range d.c., 5 - 3000 MHz d.c. - 2400 MHz d.c., 5-2400 MHz
Insertion loss –– 0.5 dB ––
Insertion loss 5 - 862 MHz typ. 1.2 dB –– 1.7 dB
Insertion loss 862 - 2400 MHz typ. 1.4 dB dB –– 1.9 dB dB
Insertion loss 2400 - 3000 MHz typ. 2 dB –– ––
Return loss ≥ 14 dB ≥ 18 dB (-1.5 dB/octave) dB ––
Return loss (5 - 8 MHz) –– –– ≥ 10 dB
Return loss (8 - 47 MHz) –– –– ≥ 14 dB
Return loss (47 - 2400 MHz) ≥ 18 dB (-1.5 dB/octave) –– ≥ 18 dB (-1.5 dB/octave)
Return loss test socket (5 - 47 MHz) ≥ 18 dB –– ≥ 18 dB
Test socket connection loss 20 dB –– 20 dB
Shield attenuation 5 - 300 MHz ≥ 85 dB ≥ 85 dB ≥ 85 dB
Shield attenuation 300 - 470 MHz ≥ 80 dB ≥ 80 dB ≥ 80 dB
Shield attenuation 470 - 1000 MHz ≥ 75 dB ≥ 75 dB ≥ 75 dB
Shield attenuation 1000 - 2400 MHz ≥ 55 dB ≥ 55 dB ≥ 55 dB
Surge impedance (Z) 75 ohms 75 ohms 75 ohms
Operating temperature range -40°C...+80°C -40°C...+80°C -40°C...+80°C
Degree of protection (if lines are connected) IP 30 IP 30 IP 30
For mounting on 35 mm DIN rails acc. to EN 60715 earthing 35 mm DIN rails acc. to EN 60715
or wall mounting brackets or wall mounting
Connection (input/output) F socket / F socket F socket / F plug F socket / F socket
Earthing via DIN rail or screw connection earthing bracket with screw connection DIN rail or screw connection
Enclosure material metal metal metal
Colour bare surface bare surface bare surface
Test standards IEC 61643-21 / EN 61643-21 IEC 61643-21 / EN 61643-21 IEC 61643-21 / EN 61643-21
Approvals GOST GOST GOST
Accessories 2 x F plugs earthing bracket and 2 x F plug 2 x F plug
909 703
DGA FF TV
909 704
DGA GF TV
909 705
DGA GFF TV
DGA FF TV
909 703
Überspannungsableiter DEHNgate für 75 Ohm SAT- und BK-Anlagen
DGA GF TV
909 704
Blitzstromableiter DEHNgate für 75 Ohm SAT- und BK-Anlagen
DGA GFF TV
909 705
Kombiableiter DEHNgate für 75 Ohm SAT- und BK-Anlagen
276 www.dehn.de