DocID15501 Rev 7

11/16

STAC2942B

Test circuit

16

Component

Description

R3, R4

270

Ω 1/2 W axial lead resistor

B1

RG-316 50

Ω 11.8" through ferrite toroid

B2

RG-142 50

Ω 11.8"

T1

4:1, RG-316 25

Ω, 5.9", 2 turns thru ferrite core

T2

1:4, 25

Ω semi-rigid cable, OD .141", 5.9"

L1

λ/4 inductor, RG-142 50 Ω, 11.8", 3 turns thru ferrite toroid

FB1,FB5

Ferrite toroid

FB2, FB6

Multi-aperture core

FB3, FB4

Surface mount ferrite bead

PCB

Rogers ultralam 2000, Er 2.55, .060"

Table 7. 175 MHz test circuit component list (continued)

Figure 14. Circuit layout