MRF282S MRF282Z

4

MOTOROLA RF DEVICE DATA

RF

INPUT

Z10

Z1

Z2

Z3

Z4

Z5

Z6

Z7

Z9

VGG

(BIAS)

VDD

C1

C6

C2

C3

L4

L1

C9

R1

B1

C4

R2

B2

C7

R3

B3

C17

C15

Z8

C12

DUT

+

C5

C8

L2

L3

L5

Z11

C16

R6

B6

C13

R5

B4

C10

R4

B5

+

C11

C14

+

–

+

–

Figure 2. Schematic of 1.81 – 1.88 GHz Broadband Test Circuit

B1, B2, B3,

Ferrite Bead, Fair Rite, (2743021446)

B4, B5, B6

C1, C16

470

µF, 63 V, Electrolytic Capacitor, Mallory

C2, C9, C12

0.6–4.5 pF, Variable Capacitor, Johanson Gigatrim

C3

0.8–4.5 pF, Variable Capacitor, Johanson Gigatrim

C4, C13

0.1

µF, Chip Capacitor

C5, C14

100 pF, B Case Chip Capacitor, ATC

C6, C8, C11, C15

12 pF, B Case Chip Capacitor, ATC

C7, C10

1000 pF, B Case Chip Capacitor, ATC

C17

0.1 pF, B Case Chip Capacitor, ATC

L1

3 Turns, 27 AWG, 0.087

″ OD, 0.050″ ID,

0.053

″ Long, 6.0 nH

L2

5 Turns, 27 AWG, 0.087

″ OD, 0.050″ ID,

0.091

″ Long, 15 nH

L3, L4

9 Turns, 26 AWG, 0.080

″ OD, 0.046″ ID,

0.170

″ Long, 30.8 nH

L5

4 Turns, 27 AWG, 0.087

″ OD, 0.050″ ID,

0.078

″ Long, 10 nH

R1, R2, R3,

12

Ω, 1/8 W Fixed Film Chip Resistor,

R4, R5, R6

0.08

″ x 0.13″

W1, W2

Berrylium Copper, 0.010

″ x 0.110″ x 0.210″

Z1

0.122

″ x 0.08″ Microstrip

Z2

0.650

″ x 0.08″ Microstrip

Z3

0.160

″ x 0.08″ Microstrip

Z4

0.030

″ x 0.08″ Microstrip

Z5

0.045

″ x 0.08″ Microstrip

Z6

0.291

″ x 0.08″ Microstrip

Z7

0.483

″ x 0.330″ Microstrip

Z8

0.414

″ x 0.330″ Microstrip

Z9

0.392

″ x 0.08″ Microstrip

Z10

0.070

″ x 0.08″ Microstrip

Z11

1.110

″ x 0.08″ Microstrip

Board

1 = 0.03 Glass Teflon®, Arlon GX–0300–55–22,

2 oz Copper, 3 x 5

″ Dimenson, 0.030″, εr = 2.55

DC

SUPPLY

RF

OUTPUT