CC1020-RTR1 datasheet(9/91 Pages) TI

9 / 91 page

CC1020

SWRS046

Page 9 of 92

Parameter

Min

Typ

Max

Unit

Condition / Note

Co-channel rejection, FSK and OOK

12.5 kHz channel spacing, 433 MHz

25 kHz channel spacing, 433 MHz

25 kHz channel spacing, 868 MHz

-11

Wanted signal 3 dB above the

sensitivity level, FM jammer (1

kHz sine, ± 2.5 kHz deviation) at

operating frequency,

BER = 10

−3

Adjacent channel rejection (ACR)

12.5 kHz channel spacing, 433 MHz

25 kHz channel spacing, 433 MHz

25 kHz channel spacing, 868 MHz

Wanted signal 3 dB above the

sensitivity level, FM jammer (1

kHz sine, ± 2.5 kHz deviation) at

adjacent channel. BER = 10

−3

Image channel rejection

433/868 MHz

No I/Q gain and phase calibration

I/Q gain and phase calibrated

26/31

49/52

Wanted signal 3 dB above the

sensitivity level, CW jammer at

image frequency. BER = 10

−3.

Image rejection after calibration

will depend on temperature and

supply voltage. Refer to section

12.6 on page 35.

Selectivity*

12.5 kHz channel spacing, 433 MHz

25 kHz channel spacing, 433 MHz

25 kHz channel spacing, 868 MHz

(*Close-in spurious response

rejection)

Wanted signal 3 dB above the

sensitivity level. CW jammer is

swept in 12.5 kHz/25 kHz steps

to within ± 1 MHz from wanted

channel. BER = 10

−3. Adjacent

channel and image channel are

excluded.

Blocking / Desensitization*

433/868 MHz

± 1 MHz

± 2 MHz

± 5 MHz

± 10 MHz

(*Out-of-band spurious response

rejection)

50/57

64/71

75/78

Wanted signal 3 dB above the

sensitivity level, CW jammer at ±

1, 2, 5 and 10 MHz offset.

BER = 10

−3. 12.5 kHz/25 kHz

channel spacing at 433/868 MHz.

Complying with EN 300 220,

class 2 receiver requirements.

Image frequency suppression,

433/868 MHz

No I/Q gain and phase calibration

I/Q gain and phase calibrated

36/41

59/62

Ratio between sensitivity for a

signal at the image frequency to

the sensitivity in the wanted

channel. Image frequency is RF−

2 IF. The signal source is a 2.4

kBaud, Manchester coded data,

±2.025 kHz frequency deviation,

signal level for BER = 10

−3

Spurious reception

Ratio between sensitivity for an

unwanted frequency to the

sensitivity in the wanted channel.

The signal source is a 2.4 kBaud,

Manchester coded data, ±2.025

kHz frequency deviation, swept

over all frequencies 100 MHz – 2

GHz. Signal level for BER = 10

−3

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