background image

1.

Loop-through input (F socket)

2.

Loop-through output (F socket) / Single output

3.

CA modul

4

. Mini-DIN socket 8 pin

5.

SAT IF input  (F socket)

6.

Programming interface Mini-DIN

7

.

Fixing  screw

8.

Display

9.

Control panel

10

. DC connector

Operating instructions

WISI TOPLINE

 

HEADEND

OV 77

DVB-S to PAL "Pay TV" or "Free-To-Air" (Mono) channel processor

OV 77S DVB-S to PAL "Pay TV" or "Free-To-Air" (Stereo) channel processor

5

6

7

8

9

10

1

2

3

4

„

Reception of a QPSK satellite signal and processing in an PAL / SECAM / NTSC-M  - TV channel

„

Input- /output frequency 950-2150 / 45-862 MHz

„

Demultiplexing and decoding of MPEG-2 signals

„

Insert of Teletext datas

„

Simple menu operation via four-key panel and LCD

„

OV 50A controlling via 

OV 51A HEADEND Controller

 or 

OV 52  Remote-Interface

Display after switching on

OV 76

= Unit designation

OV 76S = Unit designation
V 1.0

= Software version

Mod-No. = Modul number
     0

Display

Signal?

= No DVB-S signal.

Incorrect input freq.

After 5 seconds, the display change to:

OV 76 / S

=

Unit designation

1240 MHz =

Input frequency

<1.0 e-4

=

Bit Error Rate (BER)

ZDF

=

Program  name

Prog?

=

No program

!TPGEN

=

Test pattern generator: on

Signal?...

=

The Bit Error Rate (BER) is measured cyclically

6.3 e-3 ... <1.0 e-4

and the current value is displayed.

busy

=

No inputs are possible while this is displayed.

Input

Frequency  range

950 - 2150 MHz

Frequency tuning steps

1 MHz

Input impedance

75 

Input level

47 - 70 dBµV

AFC

± 5 MHz

Type of modulation

QPSK

Symbol  rate  (adjustable)

2 - 45 MS/s

Filtering

Nyquist

 √

 cos

Roll-Off

35 %

FEC inner code

Conv.,K=7,R=1/2,2/3,3/4,4/5,6/7,7/8

Spectral  inverting

C-  / KU-Band

Interleaving

Conv.,I=12

FEC outer code

RS(204,188,8)

Video decoder

ISO 13818-2

MPEG 2 (MP@ML)

Video format

4:3 / 16:9

Video  standard (selectable)

PAL / SECAM / NTSC-M

Video level

1 Vp-p / 75 

Audio decoder

ISO 13818-3

MPEG (L1 / L2)

Audio format

OV 77

Mono

OV 77 S

Mono / Stereo / 2-Ton

Audio format switch over

Manuell / Auto

(if provider supports)

Audio level

0,2 Veff @ 10 k

FM deviation 25 kHz + 3 KHz

Output

Frequency range

45 - 862 MHz

Frequency tuning steps

250 kHz

Frequency stability

±30 kHz

Output impedance

75 

Channel bandwidth (selectable)

7/8 MHz

Level

(loop)

74 - 84 dBµV

(single)

84 - 94 dBµV

Output level stability

+ 1 dB

TV  standards

B/G, D/K, I, L, M

Spurious emissions

 within AM TV channels

> 60 dB

 out of TV channel

> 60 dB

Group delay

 

(-0,5 .. 4,43 MHz)

< 80ns

S/N video (CCIR-rec.567-1)

typ.56 dB, min.53 dB

S/N audio (with color test pattern

)

typ.50 dB, min.47 dB

Distorsion

1%

General specifications

Housing

Zinc  die-cast

Dimensions

30 x 260 x 200 mm

RF inputs and outputs

F-type

connectors

Operating  voltage

12 VDC 600 mA

5 VDC 530 mA

Power consumption without CA modul

< 8,5 W

Power consumption with CA modul

< 10 W

Operating temperature

-20°C ... +55°C

Data retainment within

+5°C ... +55°C

temperature range

EMV

EN 50083-2

Specifications

WILHELM SIHN JR. GmbH & Co. KG

Empfangs- und Verteiltechnik
P.O. BOX 1220,  75219 Niefern-Oeschelbronn, Germany
Phone  +49 7233  66 280, Fax - 66 350,  http://www.wisi.de

Technische Änderungen vorbehalten
Technical modifications reserved

Pid informations

Sid

0...65535

Service id

Vid-Pid

0...8192

Video pid

Pcr-Pid

0...8192

Pcr pid

Aud-Pid

0...8192

Audio pid

Ttx-Pid

0...8192

Teletext pid 

(not available on all programmes)

1 Audio L input
2 Audio L output
3 Audio R input
4 Video output

5 Audio R output
6 Ground
7 Video input
8 Nicam input

OC/1-OT-595

1

2

3

5

8

6

7

4

... a link to the future

Reviews: