8

RF Device Data

Freescale Semiconductor

MMG3003NT1

50 OHM APPLICATION CIRCUIT: 1800-2400 MHz

Figure 20. 50 Ohm Test Circuit Schematic

RF

OUTPUT

RF

INPUT

C3

C4

C5

Z1

Z2

C1

Z5

Z6

C2

R1

L1

Z4

Z3

DUT

Figure 21. S21, S11 and S22 versus Frequency

2600

−40

30

1600

f, FREQUENCY (MHz)

1800

2000

2200

2400

20

10

0

−10

−20

−30

Figure 22. 50 Ohm Test Circuit Component Layout

C1

L1

C2

R1

C5

C4

C3

Z1, Z7

0.347″ x 0.058″ Microstrip

Z2

0.575″ x 0.058″ Microstrip

Z3

0.172″ x 0.058″ Microstrip

Z4

0.047″ x 0.058″ Microstrip

Z5

0.062″ x 0.058″ Microstrip

Z6

0.466″ x 0.058″ Microstrip

PCB

S21

C6

Z7

S11

S22

C6

MMG30XX

Rev 2

Table 11. 50 Ohm Test Circuit Component Designations and Values

Part

Description

Part Number

Manufacturer

C1, C2

47 pF Chip Capacitors

C0805C470J5RAC

Kemet

C3

68 pF Chip Capacitor

C0805C680J5RAC

Kemet

C4

0.01 μF Chip Capacitor

C0603C103J5RAC

Kemet

1.2 pF Chip Capacitor

06035J1R2BS

AVX

0.1 pF Chip Capacitor

06035J0R1BS

AVX

L1

22 nH Chip Inductor

HK160822NJ-T

Taiyo Yuden

R1

7.5 W Chip Resistor

RK73B2ATTE7R5J

KOA Speer

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