SD2943

Test Circuit

Doc ID 11584 Rev 3

9/15

Figure 14.

30 MHz test circuit photomaster

C13

1200 pF ATC 700B surface mount ceramic chip capacitor

C15

100

µF / 63 V aluminum electrolytic radial lead capacitor

R1,R3

1 K

Ω 1 W surface mount chip resistor

R2

560

Ω 2 W wire-wound axils lead resistor

T1

HF 2-30 MHz surface mount 9:1 transformer

T2

RG - 142B/U 50

Ω coaxial cable OD = 0.165[4.18] L 15”[381.00] covered with 15”[381.00]

tinned copper tubular brand 13/65” [5.1] width

L1

1 3/4 turn air-wound 16 AWG ID = 0.219 [5.56] poly-coated magnet wire

L2

1 3/4 turn air-wound 12 AWG ID = 0.250 [6.34] bus bar wire

RFC1,RFC2

3 turns 14 AWG wire through fair rite toroid

FB1

surface mount emi shield bead

FB2

toroid

PCB

ULTRALAM 2000. 0.030” THK,

Table 8.

30 MHz test circuit component part list (continued)

Symbol

Description

6.4 inches