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> LMK03000 precision clock conditioner integrated vco (X2
LMK03000 precision clock conditioner integrated vco (X2
Precision Clock Conditioner with Integrated VCO
LMK03000 precision clock conditioners combine the functions of jitter cleaning/reconditioning, multiplication, and distribution of a reference clock. The devices integrate a Voltage Controlled Oscillator (VCO), a high performance Integer-N Phase Locked Loop (PLL), a partially integrated loop filter, three LVDS, and five LVPECL clock output distribution blocks.
The VCO output is optionally accessible on the Fout port. Internally, the VCO output goes through a VCO Divider to feed the various clock distribution blocks.
Each clock distribution block includes a programmable divider, a phase synchronization circuit, a programmable delay, a clock output mux, and an LVDS or LVPECL output buffer. This allows multiple integer-related and phase-adjusted copies of the reference to be distributed to eight system components.
When configured as a clock generator with a wide loop bandwidth, a high phase detector frequency, and a low noise clock source the LMK03000C/ LMK03001C features jitter performance of 200 fs RMS (10 Hz - 20 MHz). When configured as a jitter cleaner, the LMK03000C/ LMK03001C features jitter performance of 400 fs RMS
