BGA7210 datasheet(12/30 Pages) PHILIPS

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BGA7210

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Product data sheet

Rev. 2 — 4 January 2012

12 of 30

NXP Semiconductors

BGA7210

700 MHz to 3800 MHz high linearity variable gain amplifier

The recommended FR4 PCB layer stack is described in Figure 8. A 50

 coplanar

grounded wave guide can be implemented by a 0.48 mm RF track and a clearance

between the track and the ground planes of 1 mm on both sides.

C26

decoupling capacitor

4.7

F

Csh

optional matching capacitor to improve

linearity at 2.2 GHz to 2.8 GHz

0.68 pF

Murata GRM; shall be located 5.5 mm from pin

RF-OUT when using FR4 PCB described below.

optional inductor

820 nH

part of optional ripple filter

inductor

22 nH

Murata LQW 18

Table 14.

List of components …continued

See Figure 7 for schematics.

Component

Description

Value

Remarks



r = 4.5; interconnect 35 m copper.

Fig 8.

Printed-Circuit Board (PCB) layer stack

aaa-000666

0.30 mm core

0.28 mm FR4

through via

RF and analog ground

analog routing

RF and analog ground

RF and analog routing

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