root {
    platform {
        dac_config {
            match_attr = "virtual_dac";    
            template dac_device {
                deviceNum = 0;
                validChannel = 0x1;
                rate = 20000;
            }
            device_0 :: dac_device {
                deviceNum = 0;
                validChannel = 0x2;
            }
        }
    }
    module = "dac";
    dac_config {
        dac_device_tester {
            match_attr = "DAC_TEST";
            devNum = 0;
            channel = 1;
            maxChannel = 1;
            dataWidth = 10;
            rate = 20000;
        }
    }
}