Contents

 

Abstract

9

Product Support

10

The TI Advantage Extends Beyond RF to Every Other Major Wireless System

 

Block

10

Related Documentation

11

World Wide Web

11

Email

11

Introduction

12

Design Considerations

13

External Components

13

Board Design and Impedance Matching

13

TRF 1500 Dual-Band Receiver

14

TRF1500 Control State

17

Low Band Cascaded Receiver Section: LNA, External SAW Filter, Mixer, and LO

Buffer Amplifier

18

Low-Band LNA

19

Low-Band LNA Turn on Time

19

Low-Band LNA Input

20

Low-Band LNA Output

20

Surface Acoustic Wave (SAW) Filter

21

Low-Band Mixer

22

Low-Band Mixer RF Input

22

Low-Band Mixer LO Input

23

Low-Band IF Output

23

Low-Band LO Buffer Amplifier Output

24

Low-Band Cascaded Test Guide

26

LOW-Band Cascaded: Power Conversion Gain

26

Low-Band Cascaded: Power Conversion Gain Reduction

27

Low-Band Cascaded: Noise Figure

28

Low-Band Cascaded: RF Input Return Loss

30

Low-Band Cascaded: LO Input Return Loss

30

LOW BAND: LO Buffer Output Power

31

Low-Band: Power Leakage LO In to RF In

31

Low-Band Cascaded: Third Order Input Intercept Point (IIP3)

32

Low-Band Cascaded: 1dB RF Input Compression Point

33

Low-Band Cascaded: 1dB Blocking Point

34

High-Band Cascaded Receiver Section: LNA, Mixer, LO Buffer Amplifier

35

Cascaded High-Band Receiver Section: LNA, Mixer, and LO Amplifier

35

High-Band RF Input

36

High-Band LO Input

36

High-Band IF Output

38

High-Band LO Buffer Amplifier Output

39

High-Band Cascaded Test Guide

40

High-Band Cascaded: Power Conversion Gain

40

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Texas Instruments TRF1500 manual Contents