XLL735148.351700X

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.295" L x 0.205" W (7.50mm x 5.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	100mA
Operating Temperature:	-20°C ~ 70°C
Series:	XPRESSO™ FXO-LC73
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Frequency:	148.3517MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Overview

The XLL735148.351700X oscillator is an ideal choice for high performance and precision frequency signal generation and switching applications. It works in a wide frequency range spanning from dc to 35 MHz, making it a versatile and reliable choice for a variety of applications including radar, satellite communications, and monitoring systems. This oscillator operates on the principle of phase-locked loops (PLLs), which use a controlled feedback loop to ensure that the output frequency of a device remains stable despite input frequency changes.

Features and Specifications

The XLL735148.351700X offers an output frequency range of dc to 35 MHZ, with a guaranteed minimum harmonic distortion of -45 dBc over this range. It also boasts a long-term stability of ±2ppm over a temperature range of -20°C to +75°C. In addition, this oscillator offers a low insertion loss of only -0.53 dB at 18 GHz, as well as low in-band noise levels of -140 dBc/Hz. The frequency adjustment range can be as wide as 10 MHz. This oscillator requires a supply voltage of +2.7V and has a current consumption of less than 5.6mA (+5.7V).

Applications

The XLL735148.351700X oscillator is a suitable choice for a variety of applications, including wireless LANs, automotive, medical, industrial and military/aerospace systems. This oscillator can be used for implementing phase-locked loops in RF communications systems, as well as frequency synthesizers for programmable frequency generators. It is also suitable for clock and data recovery systems, and for primary frequency synthesis of digital radio systems.

Working Principle

The XLL735148.351700X oscillator follows the principle of phase-locked loops. In this technique, the input signal is compared at regular intervals with an internal reference frequency to ensure that the output frequency of the circuit remains stable despite variations in the input frequency. The comparison is done by comparing the phases of the two frequencies, and any discrepancies in the phases result in adjustments in the output frequency so that it remains at the desired level. The comparison of the input signal and the internal reference is done by a phase comparator. When the phases match, the feedback loop is considered “locked” and remains closed until either the reference or the input frequency changes. The phase comparator keeps track of any discrepancies between the reference and the input and adjusts the output frequency accordingly, thus ensuring the stability of the output frequency despite possible fluctuations in the input.

Conclusion

The XLL735148.351700X oscillator is an excellent choice for high performance, precision frequency signal generation and switching applications. Its wide frequency output range, low insertion loss, low in-band noise, and long-term stability make it a reliable choice for applications in radar, satellite communications, and monitoring systems. The oscillator operates on the principle of phase-locked loops, which provide a controlled feedback loop to ensure stability in the output frequency. The XLL735148.351700X oscillator is thus a reliable and robust choice for a variety of applications.

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