CYP RXC User Manual download pdf (Page 35)

CYRF6936

Document #: 38-16015 Rev. *F Page 35 of 39

15.0 Typical Operating Characteristics

[17]

Receiver Sensitivity vs. Frequency Offset

-98

-96

-94

-92

-90

-88

-86

-84

-82

-80

-150 -100 -50 0 50 100 150

Crystal Offset (ppm)

Receiver Sensitivity (dBm)

Rx Sensitivity vs. Vcc

(1Mbps CER)

-94

-92

-90

-88

-86

-84

-82

-80

2.4 2.6 2.8 3 3.2 3.4 3.6

Vcc

Receiver Sensitivity (dBm)

Transmit Power vs. Vcc

(PMU off)

-14

-12

-10

-8

-6

-4

-2

2.4 2.6 2.8 3 3.2 3.4 3.6

Vcc

Output Power (dBm)

Transmit Power vs. Temperature

(Vcc = 2.7v)

-14

-12

-10

-8

-6

-4

-2

0204060

Temp (deg C)

Output Power (dBm)

Receiver Sensitivity vs Channel

(3.0v, Room Temp)

-95

-93

-91

-89

-87

-85

-83

-81

020406080

Channel

Receiver Sensitivity (dBm)

Carrier to Interferer

(Narrow band, LP modulation)

-60.0

-50.0

-40.0

-30.0

-20.0

-10.0

0.0

10.0

20.0

-10 -5 0 5 10

Channel Offset (MHz)

C/I (dB)

RSSI vs. Channel

(Rx signal = -70dBm)

0 20406080

Channel

RSSI Count

Typical RSSI Count vs Input Power

-120 -100 -80 -60 -40 -20

Input Power (dBm)

RSSI Count

Transmit Power vs. Channel

-14

-12

-10

-8

-6

-4

-2

0 20406080

Channel

Output Power (dBm)

Average RSSI vs. Temperature

(Rx signal = -70dBm)

0204060

Temp (deg C)

RSSI Count

PA7

PA6

PA5

PA4

PA7

PA6

PA5

PA4

PA7

PA6

PA5

PA4

LNA ON

LNA OFF

ATT ON

GFSK

DDR32

8DR64

GFSK

CER

DDR32

8DR32

CER

8DR32

Rx Sensitivity vs. Temperature

(1Mbps CER)

-94

-92

-90

-88

-86

-84

-82

-80

0204060

Temp (deg C)

Receiver Sensitivity (dBm)

CER

8DR32

Average RSSI vs. Vcc

(Rx signal = -70dBm)

2.4 2.6 2.8 3 3.2 3.4 3.6

Vcc

RSSI Count

Note

17. With LNA on, ATT off, above -2dBm erroneous RSSI values may be read, cross-checking RSSI with LNA off/on is recommended for accurate readings.

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CYP RXC User Manual Page 35

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