3

MRF136 MRF136Y

MOTOROLA RF DEVICE DATA

Figure 1. 150 MHz Test Circuit (MRF136)

Figure 2. 30 – 150 MHz Test Circuit (MRF136Y)

C1, C2 — Arco 406, 15 – 115 pF or Equivalent

C3 — Arco 404, 8 – 60 pF or Equivalent

C4 — 43 pF Mini–Unelco or Equivalent

C5 — 24 pF Mini–Unelco or Equivalent

C6 — 680 pF, 100 Mils Chip

C7 — 0.01

µF Ceramic

C8 — 100

µF, 40 V

C9 — 0.1

µF Ceramic

C10, C11 — 680 pF Feedthru

D1 — 1N5925A Motorola Zener

L1 — 2 Turns, 0.29

″ ID, #18 AWG, 0.10″ Long

L2 — 2 Turns, 0.23

″ ID, #18 AWG, 0.10″ Long

L3 — 2–1/4 Turns, 0.29

″ ID, #18 AWG, 0.125″ Long

RFC1 — 20 Turns, 0.30

″ ID, #20 AWG Enamel Closewound

RFC2 — Ferroxcube VK–200 — 19/4B

R1 — 27

Ω, 1 W Thin Film

R2 — 10 k

Ω, 1/4 W

R3 — 10 Turns, 10 k

Ω

R4 — 1.8 k

Ω, 1/2 W

Board Material — 0.062

″ G10, 1 oz. Cu Clad, Double Sided

C1 — 5.0 pF

C2, C3, C4, C6, C7, C9, C11 — 0.1

µF Ceramic

C5, C8 — 680 pF Feedthru

C10 — 15 pF

D1 — 1N4740 Motorola Zener

RFC1 — 17 Turns, #24 AWG Wound on R5

RFC2 — Ferroxcube VK–200–19/4B or Equivalent

R1 — 10 k

Ω, 1/4 W

R2, R3 — 560

Ω, 1/2 W

R4 — 10 Turns, 10 k

Ω

R5 — 56 k

Ω, 1 W

R6 — 1.6 k

Ω, 1/4 W

T1 — Primary Winding — 3 Turns #28 Enameled Wire.

T2 — 1:1 Transformer Wound Bifilar — 2 Turns Twisted Pair

Board Material — 0.062

″ G10, 1 oz. Cu Clad, Double Sided

R4

C10

D1

C8

+

RFC1

C7

C1

L1

R2

R1

C9

C4

C3

C2

RF INPUT

L2

RFC2

L3

DUT

–

RF OUTPUT

C6

C5

C11

VDD = + 28 V

RF OUTPUT

VDD = + 28 V

RFC2

C8

C5

C7

R4

D1

C11

RFC1

R6

R5

R2

C3

R3

C6

C10

C9

C4

DUT

R3

C1

R1

C2

D

T2

T1

S

D

G

G

B

A

BIAS

ADJUST

BIAS

ADJUST

RF INPUT