Test circuit 175 MHz

SD2932

10/22

Doc ID 6876 Rev 8

5

Test circuit 175 MHz

Figure 15.

175 MHz test circuit schematic (production test circuit

NOTES:

1. DIMENSION AT COMPONENT SYMBOL ARE REFERENCE FOR COMPONENT PLACEMENT.

2. GAP BETWEEN GROUND & TRANSMISSION LINES IS + 0.002{0.05} - O.OOO[0.00] TYP

REF. 1022256B

Table 8.

175 MHz test circuit component part list

Component

Description

R1,R2,R5,R6

470 Ohm 1 W, surface mount chip resistor

R3,R4

360 Ohm 0.5 W, carbon comp. axial lead resistor or equivalent

R7,R8

560 Ohm 2 W, resistor two turn wire air-wound axial lead resistor

R9,R10

20 K Ohm 3.09 W, 10 turn wirewound precision potentiometer

C1,C4

680 pF ATC 130B surface mount ceramic chip capacitor

C2,C3,C7,C8,C17,C19,

C20,C21

10000 pF ATC 200B surface mount ceramic chip capacitor

C5

75 pF ATC 100B surface mount ceramic chip capacitor

C6

ST40 25 pF - 115 pF miniature variable trimmer

C9,C10

47 pF ATC 100B surface mount ceramic chip capacitor

C11,C12, C13

43 pF ATC 100B surface mount ceramic chip capacitor

C14,C15,C24,C25

1200 pF ATC 700B surface mount ceramic chip capacitor

C16,C18

470 pF ATC 700B surface mount ceramic chip capacitor