Front View
Quad Single-Channel Amplifier, AGC plus SAW Filter In and Out
14MM-AT440
Headend Equipment
Matchmaster has a full range of Headend Equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM
and many more.
View More Headend Equipment
Features and Benefits
- TV channel amplifiers tunable in UHF range
- SAW filters provide a high selectivity processing of digital and analog channels
- Integrated LTE signal suppression filter
- Each section has a built-in AGC system and an independent regulator of output level
- built-in indicators and push buttons allow operatively to set required parameters
- DC feeding for preamplifiers through RF input
Specifications
| Turning Range of Channels | 470-790MHz | |
|---|---|---|
| RF Input | TV Standard | DVB-T* |
| Channel Bandwidth | 8MHz | |
| Level/Impedance | 50-75dBµV/75 Ohm | |
| Frequency Range of RF Distribution | 47-790MHz | |
| Loop Through Gain | 0 ± 1.5dB | |
| Return Loss | >10dB | |
| RF Output | Level/Impedance Typical | 82dBµV/75 Ohm |
| MER of DVB-T Signal | ≥36dB (input signal MER 38dB) | |
| Frequency Range of RF Combining | 47-2150MHz | |
| DC Pass Through | 0.3A | |
| Combining Through Loss Terr/SAT | 1.5/2.5dB | |
| Level Adjustment Range**** | 0 ÷ -10dB by 1 dB step | |
| Return Loss | ≥10dB | |
| Noise Figure | 8dB | |
| Selectivity, typical | 40dB ±2MHz from 8MHz Bandwidth Border | |
| Offset** | ±0.25MHz by 0.125MHz step | |
| Spurious Signals Level | ≤-55dBc | |
| Flatness of Channel Bandwidth | ±1.5dB | |
| DC Feeding for External**** | 12V 0.1A max | |
| Current Consumption*** | 12V 0.75A | |
| Operating Temperature Range | 0-50°C | |
| Dimensions | 198 x 107.5 x 48.5mm | |
** the offset is used for fine tuning of the channel frequency response
*** without external DC loading
**** software control