Wisi OV 85A/B Betriebsanleitung Seite 3

Specifications
SAT
Input frequency range 920 - 2150 MHz
Tuning steps
Input level range 45 - 75 dBµV
IF bandwidth 27 MHz
IF 479,5 MHz
AFC ± 7,5 MHz
Video
Video bandwidth 0,020 - 5,0 MHz
1 Vss / ± 3 dB
Output level - Decoder socket
Video deemphasis (CCIR-Rec.) 625 lines
Group delay
Typ A flat < 80 ns (0,1...4,43 MHz)
Typ B switchable flat corr. to norm B/G - / PAL/2
S/N (CCIR 405-1)
Audio
Sound carrier (tunable) 5 - 9 MHz
Tuning steps
Bandwidth Msc 110 kHz / Ssc280 kHz
De-emphasis Main sound carrier 75µ, 50µ / J17
Sound sub-carrier adaptive
Output frequency range 40 - 15000 Hz
Deviation adjustment, main +6...-9 dB
sound carrier
Sound modes
Mode
Main sound carrier / 50 µ
Main sound carrier / 75 µ
Main sound carrier / J17
Sound sub-carrier / Mono
Sound sub-carrier / Mono L+R
Sound sub-carrier / stereo
Sound sub-carrier / dual
Sound sub-carrier / VPS evaluation
WILHELM SIHN JR. GmbH & Co. KG
Empfangs- und Verteiltechnik
Wilhelm-Sihn-Straße 5-7, 75223 Niefern-Öschelbronn
Tel . 07233 / 66-292, Fax. 66-320, http://www.wisi.de
... a link to the future
Modulator
Output frequency range
1 MHz
Tuning steps
Output impedance (F socket)
Output level (loop through) 75 - 85 dBµV
(single)
TV norm (switchable) B/G*, D/K*, I, L, M/N
* Stereo/Dual sound - 2nd sc with ID
General
RF sockets
Decoder socket
Power supply OV 55A OV 85A
5 VDC 550 mA 550 mA
12 VDC 355 mA 375 mA
Housing
≥ 53 dB
Dimensions
Ambient temperature
Storage temperature
Data retention in temperature range
10 kHz
Max. humidity non cond.
EMC
Legend
MSC= Main sound carrier
SSC= Sound sub-carrier
Bandwidth De-emphasis Sound deviation
280 kHz 50µS adjustable
280 kHz 75µS adjustable
280 kHz J 17 adjustable
110 kHz adaptive adjustable
110 kHz adaptive adjustable
110 kHz adaptive adjustable
110 kHz adaptive adjustable
110 kHz adaptive adjustable
Technische Änderungen vorbehalten
Technical modifications reserved
45-862 MHz
WISI TOPLINE HEADEND
250 kHz
OV 55A
75 Ω
OV 85A / B
85 - 95 dBµV
F
SUB-D
OV85 B
550 mA
405 mA
Zinc die-cast
30 x 264 x 199 mm
-5 °C...+55 °C
-25 °C...+75 °C
9
+5 °C...+55 °C
95 %
corr. EN 50083-2
Demodulation of a SAT IF signal.
Modulation in one TV channel into the frequency range 45-862 MHz.
Adjacent channel-capable vestigial sideband modulator, adjustable in 250 kHz steps.
Demodulator with noise-suppression system (Wegener-compatible).
Multi-standard operation.
Output switchable: Loop-through / single
Integrated test pattern generator with two white bars and additional 1 kHz test tone.
Prepared for installation of Video Generator OV 61A.
Connection facility for Headend Controller OV 51A / OV 51S.
OV 85B switchable group delay pre-distorsion
Display example for OV 85A
Display after switching on
OV 85A
V 1.00
Mod-No. 0 = Modul number
subsequently changes to
OV 85A
1538
471,25
Mono SAT TV channel processing unit
Stereo SAT TV channel processing unit
1
2 1. Looped-through input (F socket)
2. Looped-through output (F socket) / Single output
3
4
3. SUB-D socket (decoder)
4. SAT IF input
5. Programming interface Mini-DIN
6. Fixing screw
5
7. Display
6
8. Control panel
7
9. DC connector
8
Factory settings
Sat-IF:
= Device designation
Sat-Lev:
= Software version
F-Out:
Out-Att:
Outconf:
AFC:
= Device designation
V-Pol:
= SAT IF frequency
V-Gain:
= Output frequency
= Input level range
Operating instructions
1538 MHz A-Freq: 7.02 MHz
On A-Mode: Auto
471.25 MHz A-Att: +0 dB
0 dB TV-Std. B/G
loop G-Delay: On (only OV 85B)
On ScRatio: corr. norm
default Decoder: Off
Auto TP-Gen: Off
OC/1-OT-595