Cisco Cisco 1 GHz GainMaker Amplifier Ficha De Dados
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Features
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Capable of higher output levels than standard output 1-GHz GainMaker amplifiers
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Common RF test points for forward output and reverse injection simplify reverse balancing
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Increased forward gain to facilitate drop-in bandwidth extensions without respacing
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High-performance GaAsFET gain stage technology
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Fixed-value, plug-in accessories are common to all GainMaker products
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60V and 90V AC powering capability
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15A current capacity (steady state) and 25A surge survivability
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AGC has Thermal backup, which eliminates disruptive RF output variation in the event of pilot loss
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Quadrature amplitude modulation (QAM) pilot AGC now available in addition to existing analog carrier
AGCs
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Improved hum modulation
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Plug-in, self-contained diplex filters
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Modular high-efficiency power supply allows simplified maintenance
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Reverse input pad and RF test point for each reverse input port allow optimum reverse path design and
alignment
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Directional Coupler RF test points provide best accuracy
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Surge-resistant circuitry helps ensure gain stage protection without fuses or other nuisance failure-causing
devices
Figure 2 shows a block diagram of the HGD system amplifier.
Figure 2. GainMaker HGD System Amplifier Block Diagram