MRF175LU datasheet(3/8 Pages) MACOM

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MRF175LU MRF175LV

MOTOROLA RF DEVICE DATA

Figure 2. 400 MHz Test Circuit

Figure 3. Common Source Unity Current Gain

Frequency versus Drain Current

Figure 4. DC Safe Operating Area

C14

+ v

GND

OUT

D.U.T.

C12

.01 mf

C11

C13

0.25″

0.4″

4000

3000

2000

1000

1214

1618

ID, DRAIN CURRENT (AMPS)

100

ID, DRAIN CURRENT (AMPS)

VDS = 20 V

10 V

TC = 25°C

C1, C8 — 270 pF ATC Chip Cap

C2, C4, C6, C7 — 1.0–20 pF Trimmer Cap

C3 — 15 pF Mini Unelco Cap

C5 — 33 pF Mini Unelco Cap

C9, C12 — 0.1

µF Ceramic Cap

C11, C14 — 680 pF Feed Thru Cap

C13 — 50

µF Tantalum Cap

L1 — Hairpin Inductor #18 Wire

L2 — 12 Turns #18 Wire 0.450

″ ID

L3 — Ferroxcube VK200 20/4B

R1 — 10 k 1/4 W Resistor

R2 — 1 k 1/4 W Resistor

R3 — 1.5 k 1/4 W Resistor

Z1 — Microstrip Line 0.950

″ x 0.250″

Z2 — Microstrip Line 1

″ x 0.250″

Z3 — Microstrip Line 0.550

″ x 0.250″

Board Material — 0.062

″ Teflon —

fiberglass,

εr = 2.56, 1 oz. copper

clad both sides

TYPICAL CHARACTERISTICS

BIAS

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