RF2638 datasheet(6/10 Pages) RFMD

No de pièce	RF2638

Description	W-CDMA AND CDMA UPCONVERTER/ BPSK MODULATOR

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Fabricant	RFMD [RF Micro Devices]

Site Internet	http://www.rfmd.com

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6 / 10 page

6-30

RF2638

Rev B13 010731

6

Evaluation Board Schematic - PCS/Cellular

RF=1880MHz, IF=130MHz

(Download Bill of Materials from www.rfmd.com.)

Evaluation Board Schematic - Dual Output

Cellular Out=836MHz, PCS Out=1880MHz, IF=130MHz

1

2

3

4

8

7

6

5

C3

*

C4

*

C1

10 nF

VCC

T1

J2

IF IN

J3

RF OUT

2638400-

50

Ω µstrip

50

Ω µstrip

C5

68 pF

L1

270 nH

C2

1nF

J1

LO IN

50

Ω µstrip

C6

*

L2

*

VCC

C7

10 nF

P1-1

VCC

GND

NC

P1

1

2

3

CON3

**Board as provided.

C3*

C4*

L2*

C6*

5pF

2.7 nH

PCS**

1.5 pF

22 pF

12 nH

Cellular

2pF

Note: Board losses: 0.1 dB, Transformer losses: 1 dB

J4

CELL OUT

50

Ω µstrip

1

2

3

4

8

7

6

5

C3

5pF

C4

5pF

C1

10 nF

VCC

J2

IF IN

J3

PCS OUT

2638401, Rev 1

50

Ω µstrip

50

Ω µstrip

C5

100 pF

C2

1nF

J1

LO IN

50

Ω µstrip

C6

0.5 pF

L2

100 nH

C7

10 nF

P1

1

2

3

CON3

GND

P1-2

VCC

NC

L3

6.8 nH

C8

4pF

L4

18 nH

VCC

Bias Choke Only;

Notpartofmatching network

L5

5.6 nH

Dual Band, Split Outputs matching network:

Diplexed match at US cellular and PCS transmit bands.

T1

T4-1

C9*

TBD

L1*

TBD

C10*

TBD

Note: Board losses: 0.1 dB, Transformer loss: 1 dB

Numéro de pièce similaire - RF2638

Fabricant	No de pièce	Fiches technique	Description
RF Micro Devices	RF2638	170Kb / 10P	W-CDMA AND CDMA UPCONVERTER/ BPSK MODULATOR
	RF2638PCBA-DO	170Kb / 10P	W-CDMA AND CDMA UPCONVERTER/ BPSK MODULATOR
	RF2638PCBA-PCS/CEL	170Kb / 10P	W-CDMA AND CDMA UPCONVERTER/ BPSK MODULATOR
	RF2638	170Kb / 10P	W-CDMA AND CDMA UPCONVERTER/ BPSK MODULATOR

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Description similaire - RF2638

Fabricant	No de pièce	Fiches technique	Description
RF Micro Devices	RF2638	170Kb / 10P	W-CDMA AND CDMA UPCONVERTER/ BPSK MODULATOR
	RF2641	96Kb / 6P	CDMA UPCONVERTER/BPSK MODULATOR
	RF2608	46Kb / 4P	CDMA/FM UPCONVERTER/BPSK MODULATOR
	RF2628	60Kb / 6P	CDMA/FM UPCONVERTER/BPSK MODULATOR
	RF9908	50Kb / 4P	CDMA/FM UPCONVERTER/BPSK MODULATOR
	RF9958	129Kb / 12P	CDMA/FM TRANSMIT MODULATOR, IF AGC, AND UPCONVERTER
	RF9938	46Kb / 4P	PCS UPCONVERTER/BPSK MODULATOR
	RF9678	200Kb / 16P	W-CDMA TRANSMIT MODULATOR AND IF AGC
Maxim Integrated Produc...	MAX2383	174Kb / 8P	W-CDMA Upconverter and PA Driver with Power Control Rev 1; 8/03
Motorola, Inc	MRFIC1884	52Kb / 4P	Dual-Band CDMA Upconverter

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