CC1125 and CC1200 phase noise test

The Video Averaging is not allowed.

Here is the requirement:

The measurement procedure shall be as follows:

a) the output of the transmitter shall be connected to the input of the spectrum analyser by a 50 Ù power

attenuator to ensure that the impedance presented to the transmitter is 50 Ù and the level at the spectrum

analyser input is appropriate. The spectrum analyser shall meet the requirements of clause B.2 and its settings

shall be adjusted to:

- Zero frequency scan.

- Resolution bandwidth: 1 kHz.

- Video bandwidth: 10 kHz.

- Peak hold.

b) the transmitter shall be operated at the maximum rated transmitter power level, under normal test conditions

(see clause 5.3);

c) by tuning the spectrum analyser centre frequency to the measurement frequencies the power level is measured

at the frequencies given in table 8, the measurement being carried out at positive and negative frequency

offsets;

Document: 35 ETSI EN 300 113-1 V1.7.1 (2011-11)7.5.4 Limits
The power of any spurious emission shall not exceed the values given in tables 4 and 5.
Table 4: Conducted emissionsFrequency range Tx operating Tx standby
9 kHz to 1 GHz 0,25 W (-36 dBm) 2,0 nW (-57 dBm)above 1 GHz to 4 GHz or
above 1 GHz to 12,75 GHz 1,00 W (-30 dBm) 20 nW (-47 dBm)
Table 5: Radiated emissionsFrequency range Tx operating Tx standby
30 MHz to 1 GHz 0,25 W (-36 dBm) 2,0 nW (-57 dBm)above 1 GHz to 4 GHz or
above 1 GHz to 12,75 GHz 1,00 uW (-30 dBm) 20 nW (-47 dBm)
In the case of radiated measurements for handportable stations the following conditions apply:
for equipment with an internal integral antenna, the normal antenna shall remain connected;
for equipment with an external antenna socket, an artificial load shall be connected to the socket for the test.
In the case of equipment measured as non-constant envelope modulation equipment, the reference bandwidths used shall be as stated in tables 6a, 6b and 6c.
Table 6a: Reference bandwidths to be used for the measurement
of spurious emissions outside the frequency offsets specified in tables 6b and 6c
Frequency range RBW9 kHz to 150 kHz 1 kHz150 kHz to 30 MHz 10 kHz
30 MHz to 1 GHz 100 kHz1 GHz to 12,75 GHz 1 MHz
Table 6b: Reference bandwidths to be used close to the wanted emission
for equipment operating below 1 GHzFrequency offset from carrier RBW
250 % of the CSP to 100 KHz 1 kHz100 kHz to 500 kHz 10 kHz
Table 6c: Reference bandwidths to be used close to the wanted emission
for equipment operating above 1 GHzFrequency offset from carrier RBW
250 % of the CSP to 100 kHz 1 kHz100 kHz to 500 kHz 30 kHz
500 kHz to 1 MHz 300 kHz

Best measurement practice:
The resolution bandwidth of the measuring receiver should be equal to the reference bandwidth as given in the tables
above. To improve measurement accuracy, sensitivity and efficiency, the resolution bandwidth can be different from the
reference bandwidth. When the resolution bandwidth is smaller than the reference bandwidth, the result should be
integrated over the reference bandwidth. When the resolution bandwidth is greater than the reference bandwidth, the
result for broadband spurious emissions should be normalized to the bandwidth ratio. For discrete spurious emissions,
normalization is not applicable, while integration over the reference bandwidth is still applicable.

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