OH 38 Twin A/V-Modulator
Category : Compact Headend
Powerful technology, compact dimensions, modular and flexibly expandable; the WISI COMPACT HEADEND System OH combines all the advantages of an innovative and affordable headend. WISI Compact Headend OH is easy to configure. With up to 14 module slots it offers channel processing for 14 analogue or 28 digital channels in a 3 HU 19“ rack chassis. WISI Compact Headend OH operates on a high efficiency power supply, with low consumption modules in order to make a minimum ecological impact and a low operational cost. The USB connection and the RJ45 interface can be used to execute software updates for the basic unit as well as for the modules. Furthermore, all functions can be furnished from a distance per web browser.
- Modulation of 2 A/V signals into 2 analogue TV channels
- Multi-standard
- Stereo capable vestigial sideband modulator, independently adjustable in 250 kHz steps
- Video / audio interfaces in BNC/RCA
- Output frequency range 45...862 MHz
|
Input |
|
| Video input level | 1 V (1Vss, ±0,4 V) |
| Video input bandwidth | 20 Hz...5 MHz |
| Audio input impedance | 600/10000 Ω |
| Audio input level | -4 dBm/1 kHz |
| Audio input level range | -6...+6 dB |
| Audio input bandwidth | 40...15000 Hz |
|
Output |
|
| Output frequency range | 45...862 MHz |
| Output frequency steps | 250 kHz |
| Frequency stability | ±0,030 MHz |
| Ouput channel bandwidth | 7/8 MHz |
| Output level | 90...105 dBµV |
| Spurious suppression | >55 dB |
| TV standards | B/G, D/K, I, L, M |
| Audio format | Mono/Stereo/Dual |
| S/N Video | >57 dB |
| S/N Audio | >50 dB |
| Amplitude response (O-E) | ±1,5 dB |
| Group delay time | <80 ns |
|
Connectors |
|
| Chinch-socket | 4 pcs. |
| BNC-socket | 2 pcs. |
|
General data |
|
| Power consumption | <10 W |