8

RF Device Data

Freescale Semiconductor

MMG3002NT1

50 OHM APPLICATION CIRCUIT: 3400-3600 MHz

C1

L1

C2

R1

C5

C4

C3

3700

3200

3300

3800

Figure 20. 50 Ohm Test Circuit Schematic

Figure 21. S21, S11 and S22 versus Frequency

f, FREQUENCY (MHz)

Figure 22. 50 Ohm Test Circuit Component Layout

−30

20

S22

10

0

−10

−20

S21

S11

RF

OUTPUT

RF

INPUT

C3

C4

Z1

Z2

C1

Z6

C2

R1

L1

Z5

Z3

DUT

Z1, Z6

0.347″ x 0.058″ Microstrip

Z2

0.575″ x 0.058″ Microstrip

Z3

0.086″ x 0.058″ Microstrip

Z4

0.085″ x 0.058″ Microstrip

Z5

0.404″ x 0.058″ Microstrip

PCB

3400

3500

3600

Z4

C5

MMG30XX

Rev 2

Table 11. 50 Ohm Test Circuit Component Designations and Values

Part

Description

Part Number

Manufacturer

C1, C2

150 pF Chip Capacitors

C0603C151J5RAC

Kemet

C3

0.1 μF Chip Capacitor

C0603C104J5RAC

Kemet

C4

1 μF Chip Capacitor

C0603C105J5RAC

Kemet

0.1 pF Chip Capacitor

06035J0R1BS

AVX

L1

39 nH Chip Inductor

HK160839NJ-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.