JPX86RF, the operating bandwidth of 47~1000MHz, is a low power, high performance, cost-effective triple play, FTTH CATV optical receiver, Whether used in analog television or digital television. Products with high sensitivity optical receiver tube and special low noise matching circuit. Receiving at high optical power can be adjusted by PAD level, played limiting output, so SR2020AW within a large dynamic range of the received optical power of +2 dBm ~-21dBm, have excellent characteristics.
Triple play, fiber to the home, using the JPX86RF can save a lot of optical fiber amplifier power resources. For operators, it can greatly reduce the cost of building the network.
1. Amplification:
Active Optical Receiver: Contains built-in amplification (usually with a transimpedance amplifier) to boost weak optical signals.
Passive Optical Receiver: Lacks amplification, relying solely on photodetectors to convert optical signals to electrical signals.
2. Complexity:
Active Optical Receiver: More complex with additional active components, requiring power and potentially more maintenance.
Passive Optical Receiver: Simpler, with fewer components, leading to lower power consumption and higher reliability.
3. Cost:
Active Optical Receiver: Typically more expensive due to the added components and circuitry.
Passive Optical Receiver: Generally more cost-effective due to its simplicity.
4. Applications:
Active Optical Receiver: Suitable for long-distance, high-speed, or low-signal-intensity applications where signal amplification is essential.
Passive Optical Receiver: Ideal for short-distance or high-signal-intensity applications, such as local area networks (LANs) or passive optical networks (PONs).
The working principle of an active optical receiver involves several key steps:
1. Light Reception: The receiver's photodetector (often a PIN or APD diode) receives incoming optical signals and converts them into electrical current.
2. Signal Amplification: To overcome signal attenuation over long distances, the electrical current is passed through a transimpedance amplifier (TIA). The TIA converts the current into a voltage signal and amplifies it.
3. Signal Conditioning: The amplified electrical signal may undergo further conditioning processes, such as equalization and filtering, to improve signal quality.
4. Signal Conversion: The conditioned electrical signal is then processed by an analog-to-digital converter (ADC) if digital data is required, or it can be directly used as an analog signal.
4. Data Recovery: In digital systems, the recovered signal is further processed using clock recovery and data decoding techniques to extract the original data stream, which can then be used by the receiving device or transmitted further in the network.
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