CC1020-1070DK-433 データシートの表示（PDF） - Unspecified

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CC1020-1070DK-433

Single Chip Low Power RF Transceiver

Unspecified 

CC1021

4.3. RSSI / Carrier Sense Section

Parameter

Min Typ Max Unit

Condition / Note

RSSI dynamic range

RSSI accuracy

RSSI linearity

RSSI attach time

51.2 kHz channel filter BW

102.4 kHz channel filter BW

307.2 kHz channel filter BW

Carrier sense programmable range

Carrier sense at ±100 kHz and ±200

kHz offset

102.4 kHz channel filter BW, 433 MHz

±100 kHz

±200 kHz

102.4 kHz channel filter BW, 868 MHz

±100 kHz

±200 kHz

55

dB See section 12.5 on page 33 for

details.

±3

dB See section 12.5 on page 33 for

details.

±1

dB

Shorter RSSI attach times can be

traded for lower RSSI accuracy.

730

µs See section 12.5 on page 33 for

details.

380

µs

Shorter RSSI attach times can

140

µs also be traded for reduced

sensitivity and selectivity by

increasing the receiver channel

filter bandwidth.

40

dB Accuracy is as for RSSI

At carrier sense level 98 dBm,

CW jammer at ±100 kHz and

±200 kHz offset.

-57

dBm

-44

dBm Carrier sense is measured by

applying a signal at ±100 kHz and

±200 kHz offset and observe at

-60

dBm which level carrier sense is

-44

dBm indicated.

Table 5. RSSI / Carrier sense parameters

4.4. IF Section

Parameter

Intermediate frequency (IF)

Digital channel filter bandwidth

AFC resolution

Min Typ

307.2

38.4

to

307.2

1200

Max

Unit

Condition / Note

kHz See section 12.1 on page 30 for

details.

kHz The channel filter 6 dB bandwidth

is programmable from 9.6 kHz to

307.2 kHz. See section 12.2 on

page 30 for details.

Hz At 19.2 kBaud

Given as Baud rate/16. See

section 12.13 on page 42 for

details.

Table 6. IF section parameters

SWRS045

Page 11 of 91

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