2000 Aug 28

7

Philips Semiconductors

Preliminary specification

High dynamic range dual LNA MMIC

CGY2106TS

Table 1

Components for layout; see Figs 3 and 4.

Table 2

Transmission lines for layout; see Figs 3 and 4.

Note

1. Transmission line lengths and widths in mm are valid for a double sided PCB; thickness 0.8 mm in FR4 material

(

ε = 4.7).

COMPONENT

VALUE

REFERENCE

FUNCTION

C1; C2

1 nF

Philips; NPO; 0603

decoupling

C3; C4

100 pF

Philips; NPO; 0603

decoupling

C5; C6

2.2 pF

Philips; NPO; 0603

decoupling

C7; C8

100 pF

Philips; NPO; 0603

decoupling

R1; R2

39

Ω

Bourns; 0805

drain biasing resistor

R3; R4

5.6 k

Ω

Philips; 0603

gate biasing resistor

R5; R6

3.3 k

Ω

Philips; 0603

gate biasing resistor

L1; L2

39 nH

Coilcraft; 0603

drain biasing inductor

COMPONENT

LENGTH

TRL1; TRL2

100

Ω

0.040

λ at 900 MHz

10 mm

0.25 mm

TRL3; TRL4

70

Ω

0.033

λ at 900 MHz

5 mm

0.80 mm

TRL5; TRL6

70

Ω

0.035

λ at 900 MHz

4.4 mm

0.80 mm