MRF158 datasheet(3/16 Pages) MACOM

3 / 16 page

C1, C6, C12

270 pF, Chip Capacitors

C2, C5

1 – 10 pF, Johanson Trimmer Capacitors

30 pF, 100 mil ATC Chip Capacitor

3.9 pF, 100 mil ATC Chip Capacitor

C7, C8

0.1

mF, Blue Capacitors

C9, C10

680 pF, Feed Through Capacitors

C11

mF, 50 V Electrolytic Capacitor

C13

240 pF, 100 mil ATC Chip Capacitor

RFC2

RFC1

RF Output

DUT

RF Input

Figure 1. MRF158 500 MHz Test Circuit

C12

C13

C11

C10

VDD 28 V

VDC

150

Ω, 1/2 Watt

10 k

Ω, 1/2 Watt

1 k

Ω, 1/2 Watt

RFC1

Ferroxcube VK200–19/4B

RFC2

8 Turns, #20 AWG, Enameled, ID 110 mils

Board Material — 0.062

″, Teflon Fiberglass, 1 oz.,

Copper clad both sides,

εr = 2.55

110 mils

from Outside Corner

130 mils

from Outside Corner

Input Line

160 mils X 5315 mils

Output Line

160 mils X 4345 mils

At Inside End

of C6

280 mils

from Inside Corner

NOTE: Due to variation in Chip Capacitor values and

board material, these are approximate positions.

–

REV 9

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