MMG3003NT1

6-7

Freescale Semiconductor

RF Product Device Data

50 OHM APPLICATION CIRCUIT: 800-1100 MHz

1100

600

700

800

900

1000

1200

Figure 17. 50 Ohm Test Circuit Schematic

RF

OUTPUT

RF

INPUT

C3

C4

C5

Z1

Z2

C1

Z5

Z6

C2

R1

L1

Z4

Z3

DUT

Figure 18. S21, S11 and S22 versus Frequency

f, FREQUENCY (MHz)

Figure 19. 50 Ohm Test Circuit Component Layout

C1

L1

C2

R1

C5

C4

C3

Z1, Z6

0.347″ x 0.058″ Microstrip

Z2

0.575″ x 0.058″ Microstrip

Z3

0.172″ x 0.058″ Microstrip

Z4

0.333″ x 0.058″ Microstrip

Z5

0.07″ x 0.058″ Microstrip

PCB

−40

30

S22

20

10

0

−10

−20

−30

S21

S11

MMG30XX

Rev 2

Table 10. 50 Ohm Test Circuit Component Designations and Values

Part

Description

Part Number

Manufacturer

C1, C2

47 pF Chip Capacitors

0805K470JBT

AVX

C3

68 pF Chip Capacitor

0805K680JBT

AVX

C4

0.01 μF Chip Capacitor

0603A103JAT2A

AVX

2.7 pF Chip Capacitor for 800-1100 MHz

06035J2R7BBT

AVX

L1

22 nH Chip Inductor

HK160822NJ-T

Taiyo Uden

R1

7.5 W Chip Resistor

RK73B2AT7R5J

KOA Speer

1. Tuning capacitor: Capacitor value and location on the transmission line are varied for different frequencies.