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Preliminary

RF2475

DUAL-BAND LOW NOISE AMPLIFIER/MIXER

WITH FREQUENCY DOUBLER

8

Typical Applications

鈥?TDMA Handsets

Product Description

The RF2475 includes two downconverting mixers and

associated LNAs. It is designed for IS136 handset appli-

cations in the cellular 800MHz and PCS 1900MHz

bands. Each LNA has a gain bypass mode, which is con-

trolled by the gain select pin. The device internally ties the

two mixer outputs together, providing interface to a single

IF SAW filter. A frequency doubler is provided to supply

the LO signal to the PCS mixer and feeds the PCS trans-

mit LO output buffer. A cellular LO output buffer is also

included. The device is fabricated using Gallium Arsenide

HBT technology and is packaged in a 28-pin, 5mmx5mm

leadless package.

1.00

0.85

0.80

0.65

Typ

0.60

0.24

5.00

sq.

2.50

Typ.

0.65

0.30

4 PLCS

2

0.30

0.18

2.85 sq.

2.55

12擄

MAX

0.05

0.01

0.75

0.50

0.50

0.23

0.13

4 PLCS

NOTES:

1 Shaded Pin is Lead 1.

2 Dimension applies to plated terminal: to be measured between 0.02 mm

and 0.25 mm from terminal end.

3 Pin 1 identifier must exist on top surface of package by identification

mark or feature on the package body. Exact shape and size is optional.

4 Package Warpage: 0.05 mm max.

5 Die Thickness Allowable: 0.305 mm max.

8

FRONT-ENDS

Optimum Technology Matching廬 Applied

Si BJT

Si Bi-CMOS

LNA OUT19

眉

GaAs HBT

SiGe

MXR VCC8

GND

GND

Package Style: LCC, 28-Pin, 5x5

GaAs MESFET

Features

MXR IN19

VCC TX8

TX LO8

鈥?Complete Dual-Band Receiver Front-End

鈥?Stepped LNA Gain Control

21

LO IN8

28

LNA VCC19

1

27

26

25

24

23

22

鈥?Integrated LO Frequency Doubler

鈥?Integrated LO Output Buffers

鈥?Meets IS136 Specifications

GND

2

20

GND

LNA IN19

3

X2

19

IF A

GND

4

18

IF B

LNA IN8

5

17

GND

GND

6

16

VCC DOUBLER

GAIN SEL

7

8

LNA VCC8

9

LNA OUT

10

GND

11

GND

12

MXR VCC19

13

MXR IN8

14

TX L019

15

VCC TX19

Ordering Information

RF2475

RF2475 PCBA

Dual-Band Low Noise Amplifier/Mixer with Fre-

quency Doubler

Fully Assembled Evaluation Board

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Functional Block Diagram

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

Rev A2 010918

8-89

next

RF2475相關(guān)型號(hào)PDF文件下載

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  描述
  廠商
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• RF24
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  Analog IC
  ETC
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• RF2401
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  RF Mixer
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• RF2402
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• RF2402
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• RF2403
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• RF2406
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  RF2406
• RF2407
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  RF Mixer
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  RF2407
• RF2410
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  RF2410
• RF2411
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• RF2411
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• RF2412
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  RF2412
• RF2413
  英文版
  GAIN CONTROLLED DUAL-CONVERSION QUADRATURE MODULATOR
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  RF2413
• RF2413
  英文版
  GAIN CONTROLLED DUAL-CONVERSION QUADRATURE MODULATOR
  RFMD [RF M...
  RF2413
• RF2416
  英文版
  DUAL-BAND 2.7V LOW NOISE AMPLIFIER
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  RF2416
• RF2416
  英文版
  DUAL-BAND 2.7V LOW NOISE AMPLIFIER
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  RF2416
• RF2418
  英文版
  LOW CURRENT LNA/MIXER
  RFMD
  RF2418
• RF2418
  英文版
  LOW CURRENT LNA/MIXER
  RFMD [RF M...
  RF2418
• RF2420
  英文版
  PROGRAMMABLE ATTENUATOR
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  RF2420
• RF2420
  英文版
  PROGRAMMABLE ATTENUATOR
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• RF2421
  英文版
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