SWRA370 datasheet(29/34 Pages) TI1

29 / 34 page

PC with SmartRF Studio installed

Debugger

SoC BB and

Eval Mod

Multimeter

Power Supply

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Electrical Tests

Table 23 summarizes the various electrical tests performed with LabVIEW.

Table 23. Hardware Tests with LabVIEW Summary

Section No

Item

8.1

Standby mode / RF disable mode

8.2

Idle mode

8.3

Power Down mode

8.4

TX mode

8.5

RX mode

Test Environment: Figure 19 illustrates the test setup for all hardware tests.

Figure 19. Hardware Test Setup for LabVIEW

Procedure:

Step 1.

Connect the instruments and test board as shown in Figure 19.

Step 2.

The test requires the use of a SoC BB for accurate measurement; see Ref. 14.

Step 3.

Mount the CCxxxx EM on the SoC BB.

Step 4.

Supply power to the board from an external supply rather than AA battery cells..

Step 5.

Connect a multimeter in series with the supply line.

Step 6.

Connect the CCDebugger (see Ref. 13) to the SoC BB to enable communication with the

CCxxxx EM.

Step 7.

Use SmartRF Studio to set the device to the proper modes.

Step 8.

Set the supply to 3.3 V.

Step 9.

Measure the current on the multimeter for each mode.

CAUTION

The CC Debugger influences the measurements. The debugger consumes

some current and increases the measured current going into the EM.

In particular, this device influences the sleep current measurements.

The debugger can be disconnected from the SoC BB after the device has been

set to the desired mode using SmartRF Studio. The radio device remains in the

active/sleep state, and it is possible to perform more accurate measurements.

A hot disconnect should not normally cause any damage to the devices.

SWRA370

– August 2011

Basic RF Testing of CCxxxx Devices

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