RF2461 Просмотр технического описания (PDF) - RF Micro Devices

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Компоненты Описание

производитель

RF2461

CDMA/FM LOW NOISE AMPLIFIER/MIXER 900MHZ DOWNCONVERTER

RF Micro Devices 

Preliminary

RF2461

LNA Gain, Noise Figure and IIP3 versus ICC -

LNA Only (LNA High Gain)

16.0

15.0

25.00

Mixer Gain, Noise Figure and IIP3 versus ICC -

Mixer (Mixer High Gain, LO=-7dBm)

10.00

14.0

10.0

12.0

5.0

10.0

0.0

8.0

-5.0

6.0

Gain (dB)

NF (dB)

-10.0

4.0

IIP3 (dBm)

2.0

-15.0

0.0

-20.0

0.0

2.0

4.0

6.0

8.0

10.0 12.0 14.0 16.0

ICC (mA)

20.00

15.00

5.00

10.00

5.00

0.00

0.00

-5.00

-10.00

-15.00

-20.00

10.00

15.00

20.00

25.00

ICC (mA)

30.00

Gain (dB)

NF (dB)

IIP3 (dBm)

-5.00

35.00

-10.00

40.00

Resistor (R3) versus ICC (mA) -

LNA Only (LNA High Gain)

200.0

Resistor (R2) versus ICC - Mixer (Mixer High Gain,

200.0

LO=2170@-7dBm)

180.0

160.0

140.0

R3 (kohm)

180.0

160.0

140.0

R2 (kohm)

8

120.0

120.0

100.0

100.0

80.0

80.0

60.0

60.0

40.0

40.0

20.0

20.0

0.0

0.0

2.0

4.0

6.0

8.0

10.0 12.0 14.0 16.0

ICC (mA)

0.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

ICC (mA)

Condition T=25oC, VCC=2.75V, RF=880 and 881MHz, LO=965MHz @-10dBm

MIXER_GAIN

LNA_GAIN1

LNA_GAIN2

IP_SET

0

1

1

IF_SEL

0

0

0

LNA GAIN

0

0

1

MIX GAIN

1

0

0

ENABLE

1

1

1

LNA Current=LNA Gain2-LNA-Gain1

Rev A13 010607

8-133

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