#kathrein #lyrasa #amplifiers #terrestrialsignals
Multi-range amplifiers for house and community antenna networks
Remote feeding +15 V to +18 V possible via the output
VCA 28 and VCB 28 with variable attenuator
Connections: IEC connectors (f) 2.4/9.5
Mains connection: 230 V ± 10 %, 50/60 Hz
Protection class: II
Temperature range: -20 to +55 °C
For indoor installation
House Connection Amplifiers
VOS 30/F - VOS 40/F - VOS 40/P
House connection amplifiers for modern HFC networks
With integrated power supply unit
Die-cast housing with F-type connectors
LED to indicate operational mode
Variable interstage gain setting (6 dB) using on-board plug-in attenuators (delivery condition: higher gain)
The maximum operational levels also apply for operation with interstage attenuation
Interstage equaliser (6 dB) connectable with bridging plugs (pre-emphasis)
Return path optional, individually fittable
| Feature | Unit | Value |
|---|---|---|
| Type | VOS 40/F | |
| Order no. | 20910012 | |
| Forward path | ||
| Frequency range | MHz | 47 (85)-862 |
| Gain (switchable) | dB | 34/40 |
| Amplitude deviation | dB | +/- 1.5 |
| Setting range variable attenuator | dB | 0-20 |
| Setting range equaliser | dB | 0-20 |
| Setting range interstage attenuation (switchable with bridging plug) | dB | 0/6 |
| Setting range interstage equaliser (switchable with bridging plug) | dB | 0/6 |
| Max. operational level ¹) (60 dB CTB/CSO) Flat with 6 dB interstage pre-emphasis | dBµV | 104/110 107/110 ³) |
| Recommended operational level ¹) (66 dB CTB/66 dB CSO) Flat with 6 dB interstage pre-emphasis | dBµV | - 105/105 ³) |
| Noise figure (interstage attenuation 6/0 dB) | dB | 7/6 |
| Number of outputs | 1 | |
| Return path | ||
| See data for VGR 28/xx | ||
| General | ||
| Impedance input/output | Ohm | 75 |
| Return loss input/output ²) | dB | 14 |
| RF connections | F-type connector | |
| Test socket output with directional coupler (5-862 MHz) | dB | -20 |
| Test socket output return path (5-65 MHz) | dB | -20 |
| Nominal input voltage | V AC | 230 (50/60 Hz) |
| Power consumption (without/with return path amplifier) | W | 6/7 |
| Operational display | Green LED | |
| Protection class | II | |
| Protection category (to EN 60529) | IP 50 | |
| Classification according to KDG 1 TS 140 | C(4.2) with VGR 28/65 A(4.2) without VGR 28/65 | |
| Temperature range | °C | -20 to +55 |
| Dimensions | mm | 184 x 134 x 63 |
| Packing unit/weight | pc./kg | 1 (10)/1.4 |
| VPE 1 | 1 | |
| EAN 1 | 4021121438561 | |
| VPE 2 | 10 | |
| EAN 2 | 4021121438585 | |
| Customs tariff number | 85437030 |
