UPC2797 datasheet(8/20 Pages) NEC

8 / 20 page

µPC2797GR

Data Sheet P11889EJ3V0DS00

TYPICAL CHARACTERISTICS

ICC vs. VCC

VCC - Supply Voltage - V

02468

VHF mode

no input signal*1

measurement

circuit 1

ICC vs. VCC

VCC - Supply Voltage - V

02468

UHF mode

no input signal*1

measurement

circuit 1

Pout vs. Pin

Pin - Input Power - dBm

–20

–40

VCC = 9 V

fRF = 470 MHz

fIF = 45 MHz

POSC = –10 dBm

measurement

circuit 2

Pout vs. Pin

Pin - Input Power - dBm

–40

VCC = 9 V

fRF = 890 MHz

fIF = 45 MHz

POSC = –10 dBm

measurement

circuit 2

CM vs. fRF

fRF - Input Frequency - MHz

–30

–20

–10

–5

–10

–15

CG, NF vs. fRF

fRF - Input Frequency - MHz

1 000

VCC = 9 V

fIF = 45 MHz

PRF = –30 dBm

POSC = –10 dBm

POSC = 0 dBm

(@UHF, NF)

measurement circuit 2, 3

200

400

600

800

TA = 25 °C

TA = 75 °C

TA = –20 °C

TA = 25 °C

TA = 75 °C

TA = –20 °C

–5

–10

–15

–30

–20

–10

TA = 25 °C

TA = 75 °C

TA = –20 °C

TA = 25 °C

TA = 75 °C

TA = –20 °C

TA = 25 °C

TA = 75 °C

TA = –20 °C

105

1 000

VCC = 9 V

fundes = fRF + 6MHz

fIF = 45 MHz

PRF = –30 dBm

POSC = –10 dBm

measurement

circuit 4

200

400

600

800

100

TA = 25 °C

TA = 75 °C

TA = –20 °C

*1 External resistor is removed.

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