3

dc1795af

DEMO MANUAL DC1795A

Quick start proceDure

Download the ClockWizard setup file at www.linear.com/

ClockWizard.

Run the ClockWizard setup file and follow the instructions

given on the screen. The setup file will verify and/or install

Microsoft .NET and install the ClockWizard. Refer to the

Help menu for software operation.

DC1795A ConFigurAtion

(see Figure 1 and the Typical DC1795A Requirements

and Characteristics table).

2. Connect the DC590 to the DC1795A with the provided

ribbon cable.

3. Run the ClockWizard application.

4. In ClockWizard, click File > Load Settings and point to

the “LTC6950_PECL0_250MHz.clkset” file.

The green “STAT1” LED on the DC1795A should turn on

and the “STAT2” LED should turn off indicating that the

loop is locked at 1000MHz. A 250MHz signal should be

present on the PECL0 outputs.

Be sure to power down or terminate any unused RF output

with 50Ω, or poor spurious performance may result.

Figure 3. ClockWizard screenshot