Mini VXOs Pull SONET/SDH Signals Back On Track

The CFPV-41/42/43/44 series of voltage-controlled oscillators (VCXOs) offers a high degree of frequency pulling (control of the output frequency via an applied voltage), allowing degraded incoming signals to be corrected to nominal frequency through a phase-locked loop. The CFPV-41 and -42 devices provide frequency pulling up to ±50 ppm while the CFPV-43 and -44 offer control to ±100 ppm.The CFPV-41 and -42 operate on 5 vdc and require a 2.5V ±2V control voltage and the CFPV-43 and -44 operate on 3.3 vdc and use a 1.65V ±1.5V control. The entire series operates from -10°C to +70°C with a stability down to ±25ppm. They are available in any output frequency between 1 and 52 MHz, including fixed-line telecomm frequencies at 8.192, 10 and 38.88 MHz.