3

MRF18090A MRF18090AS

MOTOROLA RF DEVICE DATA

RF

INPUT

RF

OUTPUT

Z1

C7

C8

C1

Z6

DUT

Z7

Z9

C1, C3

1.0

mF Chip Capacitors (0805)

C2

1.0 nF Chip Capacitor (0805)

C4, C5

6.8 pF, 100B Chip Capacitors, ATC

C6

220

mF, 50 V Electrolytic Capacitor

C7, C8

12 pF, 100B Chip Capacitors, ATC

R1

2.2 k

W Chip Resistor (0805)

R2, R3, R6

1.0 k

W Chip Resistors (0805)

R4

10 k

W Chip Resistor (0805)

R5

6.8 k

W Chip Resistor (0805)

T1

BC847 SOT–23

Z1

0.697

″ x 0.087″ Microstrip

Z2

0.197

″ x 0.087″ Microstrip

Z3

0.819

″ x 0.087″ Microstrip

Z4

0.181

″ x 0.144″ Microstrip

Z5

0.383

″ x 1.148″ Microstrip

Z6

0.400

″ x 1.380″ Microstrip

Z7

0.351

″ x 0.351″ Microstrip

Z8

0.126

″ x 0.087″ Microstrip

Z9

1.280

″ x 0.087″ Microstrip

Z10

≈1.275″ x 0.055″ Microstrip

PCB

Z10

R4

C2

R6

C6

C4

+

Z5

R2

T1

Z8

Figure 1. 1.80 – 1.88 GHz Test Fixture Schematic

Figure 2. 1.80 – 1.88 GHz Test Fixture Component Layout

R3

R1

R5

C3

C5

Z4

Z3

Z2

R1

Ground

T1 R4

R5

R6

C7

C4

C8

Ground

C2

C5

R3

C1

C3

C6

MRF18090A

R2

VBIAS

VSUPPLY