MRF166C datasheet(3/9 Pages) MACOM

3 / 9 page

Figure 1. MRF166C 500 MHz Test Circuit

RFC2

RFC1

C11

–

Vdc

INPUT

DUT

OUTPUT

VDD = 28 V

C10

BIAS

C1, C7

200 pF, Chip Capacitor

C2, C6

2–10 pF, Trimmer Capacitor, Johansen

27 pF, ATC 100 mil Chip Capacitor

C4, C8

0.1

µF, Chip Capacitor

15 pF, ATC 100 mil Chip Capacitor

C9, C10

680 pF, Feedthru Capacitor

C11

µF, 50 V, Electrolytic Capacitor

120

Ω, 1/2 W Resistor

10 k

Ω, 1/2 W Resistor

1 k

Ω, 1/2 W Resistor

RFC1

Ferroxcube VK200 19/4B

RFC2

10 Turns AWG #18, 0.125

″ I.D., Enameled

Board Material

0.062

″ Teflon® Fiberglass

1 oz. Copper Clad Both Sides

εr = 2.56

350 mils

600 mils

825 mils

1650 mils

0.120

″ x 3.3″, Microstrip Line

0.120

″ x 2.1″, Microstrip Line

Z3, Z4

0.120

″ x 0.25″, Microstrip Line

TYPICAL CHARACTERISTICS

100

Coss

Ciss

Crss

VGS = 0 V

f = 1 MHz

VDS, DRAIN–SOURCE VOLTAGE (VOLTS)

Figure 2. Capacitance versus Drain–Source Voltage

100

VDS, DRAIN–SOURCE VOLTAGE (VOLTS)

Figure 3. DC Safe Operating Area

0.1

TC = 25°C

REV 10

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