Dual Single-Channel Amplifier, AGC plus SAW Filter In and Out
14MM-AT420
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.
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Features and Benefits
- Two completely independent channel amplifiers in each module
- Frequency agile channel amplifiers can be reprogrammed to any UHF channel
- Dual 8MHz SAW-filtering implemented on each channel results in class-leading channel selectivity
- 30dB of AGC protection included for each channel, helping to maintain a stable RF output level
- Settings are programmed through push-button interface on the front of the module
Specifications
| Input | |
|---|---|
| Number of internal Channel Amplifiers | 2 |
| Channel Allocation | New Zealand |
| Channel Range | 21-69 |
| Bandwidth | 8MHz |
| Selectivity | -40dB @ ±2MHz from edge of 8MHz filter |
| Loop Through Gain | 0 ± 1.5dB |
| Return Loss | > 12dB |
| Output | |
| Level | 85dBµV |
| Attenuation Available | 0-10dB in 1 dB steps |
| Frequency Range of RF Combining | 47-2150MHz |
| Combining Through Loss Terr/Sat | 1.5/2.5dB |
| Return Loss | >10dB |
| Noise Figure | 8dB |
| Flatness of Channel Bandwidth | ± 1.5dB |
| General | |
| Masthead Amplifier Supply | 12V 100A max |
| Power Consumption | 12V 450mA |
| Dimensions | 198 x 107 x 36mm |
| Operating Temperature | 0 - +55°C |
