RF components

RF_Passive 32.4 GHz Chip Antenna

Dimension : 6.5mm*5.0mm*1.3 mmt

Tony Fang, NTU 2003

10-1

S11 of 2.4 GHz Chip Antenna

Tony Fang, NTU 2003

10-2

Patterns of 2.4 GHz Chip Antenna

Tony Fang, NTU 2003

10-3

Outline
1. Introduction to RF Front End 2. Filter 3. Balun 4. Antenna 5. MLC/LTCC Technology 6. RF Modules
Tony Fang, NTU 2003 10-4

LTCC Interconnect Terminology
Bare die Top side or external conductor SMD component or post fired resistor

Cavity

Vias Buried capacitor or resistor Green tape dielectric layers

Internal conductors Stacked vias Thermal vias

Back side or external conductor

Tony Fang, NTU 2003

10-5

LTCC Product Market

Optical 5% Wireless 94%

Automotive 1%
Modules 19%

Substrate 13%

components 68%

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Source: 2001 NAVIAN

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Tony Fang, NTU 2003

10-6

Cost Distr