CC1021 datasheet(9/94 Pages) TI

9 / 94 page

CC1021

SWRS045C

Page 9 of 87

Parameter

Min

Typ

Max

Unit

Condition / Note

Input IP3

433 MHz 102.4 kHz channel filter BW

868 MHz 102.4 kHz channel filter BW

-23

-18

-16

-18

-15

-13

dBm

Two tone test (+10 MHz and +20

MHz)

LNA2 maximum gain

LNA2 medium gain

LNA2 minimum gain

LNA2 maximum gain

LNA2 medium gain

LNA2 minimum gain

Co-channel rejection, FSK and OOK

433 MHz and 868 MHz,

102.4 kHz channel filter BW,

-11

Wanted signal 3 dB above the

sensitivity level, CW jammer at

operating frequency, BER = 10

−3

Adjacent channel rejection (ACR)

433 MHz 102.4 kHz channel filter BW

868 MHz 102.4 kHz channel filter BW

Wanted signal 3 dB above the

sensitivity level, CW jammer at

adjacent channel, BER = 10

−3.

Measured at ±100 kHz offset.

See Figure 16 to Figure 19.

Image channel rejection

433/868 MHz

No I/Q gain and phase calibration

I/Q gain and phase calibrated

25/25

50/50

Wanted signal 3 dB above the

sensitivity level, CW jammer at

image frequency, BER = 10

−3.

102.4 kHz channel filter

bandwidth. See Figure 16 to

Figure 19.

Image rejection after calibration

will depend on temperature and

supply voltage. Refer to section

12.6 on page 35.

Selectivity*

433 MHz 102.4 kHz channel filter BW

±200 kHz offset

±300 kHz offset

868 MHz 102.4 kHz channel filter BW

±200 kHz offset

±300 kHz offset

(*Close-in spurious response

rejection)

Wanted signal 3 dB above the

sensitivity level. CW jammer is

swept in 20 kHz steps within ± 1

MHz from wanted channel. BER

= 10

−3. Adjacent channel and

image channel are excluded.

See Figure 16 to Figure 19.

Blocking / Desensitization*

433/868 MHz

± 1 MHz

± 2 MHz

± 5 MHz

± 10 MHz

(*Out-of-band spurious response

rejection)

52/58

56/64

58/64

64/66

Wanted signal 3 dB above the

sensitivity level, CW jammer at ±

1, 2, 5 and 10 MHz offset,

BER = 10

−3. 102.4 kHz channel

filter bandwidth.

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

35/35

60/60

Ratio between sensitivity for a

signal at the image frequency to

the sensitivity in the wanted

channel. Image frequency is RF−

2 IF. BER = 10

−3. 102.4 kHz

channel filter bandwidth.

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