30 MHz Test Circuit

VRF2944(MP)

Table 1 - Typical Class AB Large Signal Input - Output Impedance

I

Z

Freq. (MHz)

Z

in

Z

out

30

4.5 - j 2.5

2.15 - j 2.71

L1

Output

C3

C11

C12

C10

C6

C7

C8

C9

C1 1200pF ATC100B ceramic

C2, C3 0.1uF 100V 1206 SMT

C9-C11 .047uF NPO 100V 1218 SMT

C6 180 pF metal clad mica

C7 ARCO 465 mica trimmer

C8 100 pF ATC 100E ceramic

C4, C12 10uF 100V Electrolytic

L1 25 nH - 2t #18 0.2"d .2"l

L2 26 nH - 1.5t #12 0.31"d2

L3 2t #16 on 2x 267300081 .5" bead

T1 16:1 transforner 4t #24 teflon on

T2 9:1 transformer 3t 2-ply #16 teflon on

RF Parts Co. T1 transformer core

30 MHz Test Circuit

Vbias

R1

R2

L2

RF

Input

C2

T1

C1

R3

L3

T2

+

50V

C4

+

VRF2944