1

2

3

4

VCC

RFIN

8

7

6

5

RFOUT

C5

C2

C1

DC Blocking

Capacitor

DC Blocking

Capacitor

RF Choke

Inductor

DC Bias

Resistor

DC Bypass

Capacitor

RF Bypass

Capacitors

RF In

RF Out

VCC

C3

R2

C4

L1

PWDN

TRF37A75

www.ti.com

SLOS871 – MAY 2014

8 Applications and Implementation

8.1 Application Information

The TRF37A75 is a wideband, high performance, general purpose RF amplifier. To maximize its performance,

good RF layout and grounding techniques should be employed.

8.2 Typical Application

The TRF37A75 device is typically placed in a system as illustrated in Figure 13.

Figure 13. Typical Application Schematic for TRF37A75

8.2.1 Design Requirements

Table 1. Design Parameters

PARAMETERS

EXAMPLE VALUES

Input power range

< 3 dBm

Output power

< 18 dBm

Operating frequency range

40 — 6000 MHz

8.2.2 Detailed Design Procedure

The TRF37A75 is a simple to use internally matched and cascadable RF amplifier. Following the recommended

RF layout with good quality RF components and local DC bypass capacitors will ensure optimal performance is

achieved. TI provides various support materials including S-Parameter and ADS models to allow the design to be

optimized to the user's particular performance needs.

Copyright © 2014, Texas Instruments Incorporated

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