843312AKLFT

Differential - Input:Output:	No/Yes
Base Part Number:	ICS843312
Supplier Device Package:	32-VFQFPN (5x5)
Package / Case:	32-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	2.375 V ~ 3.465 V
Divider/Multiplier:	Yes/No
Frequency - Max:	312.5MHz
Series:	--
Ratio - Input:Output:	1:10
Number of Circuits:	1
Output:	LVPECL
Input:	Crystal
PLL:	Yes with Bypass
Type:	Clock/Frequency Synthesizer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to 843312AKLFT

The 843312AKLFT is a clock generator and frequency synthesizer that can generate high-speed clock signals with very high accuracy. It is designed to generate output clocks over a wide range of frequencies, from extremely low to very high. The device has a very wide frequency range, from 97MHz to 3.2GHz. It operates with an ultra-low jitter level of 200 femtoseconds. This makes the 843312AKLFT ideal for applications requiring very high accuracy clock synchronization.

Application Fields

The 843312AKLFT has a variety of applications, including:

• Wireless communication systems: This device can be used in applications such as GSM, CDMA, PCS and WLANs, where very accurate clocks with wide frequency ranges are needed.
• Networking systems: The 843312AKLFT provides the right frequency synchronization for networking systems such as pipelined packet switches, packet routers, switches and Gigabit Ethernet.
• Satellite communication systems: It is also used in satellite communication systems for very accurate clock synchronization.
• High-performance digital systems: High speed digital systems also benefit from this device as it can provide very high accuracy clock signals at higher frequencies.
• High-speed data processing systems: The 843312AKLFT helps to achieve the reliability and accuracy needed for high-speed data processing systems.

Working Principle

The 843312AKLFT works on the principle of phase-locked loop (PLL). The PLL consists of a phase detector, a loop filter, a voltage controlled oscillator (VCO) and an additional set of logic blocks. The phase detector is used to compare the input signal frequency with the measured frequency generated by the VCO. Whenever the difference between the two frequencies is more than a predetermined amount, the phase detector adjusts the voltage input to the VCO to change the VCO frequency, thereby locking the input frequency and the VCO frequency. The loop filter is then used to provide a steady output clock.The additional set of logic blocks, which includes a prescaler, a phase locked loop (PLL) programmable divider, and a phase locked loop (PLL) frequency divider, allows the output clock frequency to be programmed according to the application requirements. The 843312AKLFT features a wide operating range for the VCO and an ultra-low jitter level of 200 femtoseconds. This allows the device to generate very accurate, high-speed output clocks with very low jitter over a wide frequency range.

Conclusion

The 843312AKLFT is an ideal device for applications that require high accuracy clock synchronization. It is designed to generate output clocks over a wide frequency range from 97MHz to 3.2GHz. Its wide operating range for the VCO and ultra-low jitter level give it superior performance over many other clock generators and frequency synthesizers.

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