HOA6461-001

HOA6461-001 is an integrated optical device that was first developed by Avago Technologies in 2013. It is designed as an emitters coupled logic (ECL) based transimpedance amplifier (TIA). This type of amplifier is the most common type of amplifiers used in optical networks, and it is used to measure the optical power level of an analog signal.The HOA6461-001 has several features that make it ideal for use in various application fields. It has a maximum capacitance of 16pF, a pair-matched amplifier cell arrangement, a high output impedance, and an extended operating temperature range of up to +90°C. It also has wide bandwidths of up to 4GHz and high gain of up to 40dB. The HOA6461-001 is capable of working with a wide range of optical signals, including those from photodiodes, LEDs, superluminescent diodes, and laser diodes. It is suitable for applications that requires a low noise and maximum dynamic range. Furthermore, it has an ultra-low input bias current of up to 1nA, which makes it ideal for operation in high-speed optical networks.The HOA6461-001 also has a wide range of working principle, ranging from the use of bridge amplifiers to transimpedance amplifier configurations. TheBridge amplifier configuration is a two-stage structure as shown in the figure. It consists of four identical operational amplifiers, a synchronous data detector, and a capacitor bank. This configuration allows the device to maintain the highest possible sensitivity and bandwidth. The Transimpedance amplifier configuration is a single-ended amplifier with an input resistor and a gain resistor. This configuration is ideal for applications that require a high-impedance input and a low-noise output. The gain of the amplifier can be adjusted by adjusting the ratio of the two resistors.The HOA6461-001 is a versatile optical device that is suitable for a wide range of applications. Its wide bandwidth and high gain make it ideal for high-speed optical networks, while its low noise and extended operating temperature range make it suitable for applications that require maximum dynamic range. Its bridge amplifier and transimpedance amplifier configurations allow the device to achieve the highest sensitivity and performance in its application field.

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