84321AYLF

Differential - Input:Output:	No/Yes
Base Part Number:	ICS84321
Supplier Device Package:	32-LQFP (7x7)
Package / Case:	32-LQFP
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	3.135 V ~ 3.465 V
Divider/Multiplier:	Yes/No
Frequency - Max:	260MHz
Series:	--
Ratio - Input:Output:	1:2
Number of Circuits:	1
Output:	LVPECL
Input:	Crystal
PLL:	Yes with Bypass
Type:	Frequency Synthesizer
Part Status:	Obsolete
Packaging:	Tray

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The 84321AYLF is an Enhanced Incident Ray Optics (EIRO) Transmitter, capable of measuring optical power with an accuracy of 0.006 dBm. It uses a dual-frequency laser source and incident ray optics, which enables accurate measurement of the reflected optical power from the utility network. This device is widely used in the communication field, such as in the telecommunications and CATV networks, as well as in the power line spectrum analysis.The 84321AYLF uses an incident ray optics principle, which is a combination of light source, optics and safety module, where the laser power is measured from an incident angle. This enables the device to accurately measure the reflected optical power from the network. The incident angle, as well as the output power of the device, can be adjusted to optimize the accuracy of the measurement.The 84321AYLF incorporates an on-board high-precision clock source, which is synchronized with a programmable digital logic circuit (PLL) in order to generate an accurate timing signal. This enables the device to accurately produce an output signal with the desired frequency, phase and jitter. The clock source can be adjusted to produce four different frequencies with a range of up to 50 MHz.The 84321AYLF also includes a phase locked loop (PLL), which is used to generate a stable frequency output. The PLL consists of a voltage-controlled oscillator (VCO) and a loop filter. The VCO is used to regulate the frequency of the clock source while the loop filter maintains the stability of the frequency by adjusting the oscillator parameters. The PLL also has a reach-through function, which makes the device suitable for use in distributed antennas systems (DASs) and other applications.The 84321AYLF also features a frequency synthesizer, which is used to generate a stable output frequency. This feature is particularly useful for applications where the output frequency needs to be adjusted or tuned. The frequency synthesizer uses a modified PLL to generate a stable frequency output with low jitter and power consumption.The 84321AYLF also has a digital frequency lock loop (DFL) for synchronizing two output frequencies. This feature is used in applications such as radio frequency (RF) local oscillators, where two output frequencies are locked in phase-aligned. The DFL allows the device to adjust the output frequencies according to the environmental conditions, ensuring stable output frequencies and reduced interference.The 84321AYLF also includes an auto-calibration feature, which allows the device to self-adjust its internal parameters to ensure optimal performance. This ensures that the device can achieve optimal performance even in harsh environmental conditions. The 84321AYLF is capable of detecting the environmental conditions and adjusting the output frequency, voltage and optical power accordingly.In conclusion, the 84321AYLF is an advanced incident ray optics transmitter that can measure reflected optical power from a utility network. It incorporates an on-board high-precision clock source, a PLL and a frequency synthesizer, as well as a DFL for synchronizing two output frequencies. It also features an auto-calibration feature, which enables the device to adjust its parameters accordingly to ensure optimal performance in any environmental conditions.

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