DC2429A

DC2429A is a LT3042 PLL/VCO supply and reference board. This demonstration circuit 2429A is a PLL/VCO supply and reference board that features the LT®3042, an ultra-low noise and ultrahigh PSRR RF linear regulator. When powered from any lab or wall wart supply, the DC2429A produces four ultralow noise supplies and an ultra-low noise 100MHz reference that ensures PLL/VCO evaluation meets performance. Functionally, this circuit produces four separate ultra-low noise supplies from a single 6V to 20V supply input. These supplies provide a fixed 3.3V/800mA supply, a fixed 5V/200mA supply, a variable voltage/200mA supply and a fixed 3.3V/200mA supply that powers an onboard 100MHz reference. The variable supply is ideal for powering external VCOs by providing a jumper option that selects between seven common VCO power supply voltages.

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