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RF2053

DS140110

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Disabling Calibration

The VCO coarse tune calibration should be disabled as it is not used on the RF5203. The loop filter calibration, also unused, is

disabled by default.

One register needs to be written taking 1.3us at maximum clock speed. Since it is necessary to program this register when set-

ting the operating frequency (see next section) this operation usually carries no overhead.

P2_CT_EN

Set to 00

Set calibration

mode

Operating m ode set

Default

D isable loop

filter calibration

2

3

D isable coarse tune calibration. N ot required for the

RF2053.

The loop filter (K v) calibration is also not required for

the RF2053. The default setting is for the loop filter

calibration to be disabled so no program m ing is

required for this step.