The SY88149HL is 3.3V 1.25Gbps Burst-Mode Limiting Amplifier made by MICREL.
SY88149HL pinout

Brief overview of the content in a SY88149HL PDF file

SY88149HL 3 3V 1 25Gbps Burst Mode Limiting Amplifier with Ultra Fast Signal Assert Timing General Description The SY88149HL is a high sensitivity burst mode capable limiting post amplifier designed for Optical Line Terminal OLT receiver applications The SY88149HL satisfies the strict timing restrictions of the GPON standards by providing ultra fast Loss of Signal LOS or Signal Detect SD output Auto Reset and Manual Reset options are provided to control LOS SD output timing For increased flexibility this device also includes an option to select between LOS or SD output The device can be connected to burst mode capable transimpedance amplifiers TIAs using AC or DC coupling The SY88149HL generates a high gain LOS or SD LVTTL output A programmable LOS SD level pin LOS SDLVL sets the sensitivity of the input amplitude detection This device also offers the option to choose between a Loss ofSignal LOS and a Signal Detect SD output from the LOS SD pin based the LOS SDSEL pin setting To select SD output leave LOS SDSEL pin open or connect to Vcc to select LOS output tie LOS SDSEL to ground If the input signal amplitude falls below the threshold set by LOS SDLVL LOS will assert high or SD will de assert low Once the input signal rises a

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Q: What is a voltage amplifier, and how does it work?
A: A voltage amplifier is an electronic circuit that increases the amplitude of an input voltage signal. It does this by using active or passive components to amplify the input signal, making it stronger and increasing its voltage level. The output voltage of the amplifier is proportional to the input voltage, and the amplification factor is determined by the circuit design.

Q: What are the types of voltage amplifiers?
A: There are many types of voltage amplifiers, including operational amplifiers (op-amps), transistor amplifiers, vacuum tube amplifiers, and integrated circuit (IC) amplifiers. Each type of amplifier has its unique design and application.

Q: What is the gain of a voltage amplifier?
A: The gain of a voltage amplifier is the ratio of the output voltage to the input voltage. It is typically expressed in decibels (dB) or as a numeric ratio.

Q: What is the frequency response of a voltage amplifier?
A: The frequency response of a voltage amplifier is the range of frequencies that the amplifier can amplify without significant distortion or attenuation. It is determined by the circuit design and the characteristics of the active and passive components used.

Manufacturers: MICREL

MICREL - SY88149HL Datasheet PDF


3.3V 1.25Gbps Burst-Mode Limiting Amplifier

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