Component List

[Illustration 220020-011-94]

[Illustration 220020-012-94]

Resistors

(0805, 5%, 0.125 W)

R1,R2(,R3*) = 220 Ω
R4 = 1 MΩ

Capacitors

(0805)

C1,C2 = 1 nF
C3 = 10 nF
C4 = 1 µF 16 V, Case-A

Semiconductors

D1,D2 = BAT54, SOT-23
T1,T2,T3 = 2N7002, SOT-23

T4 = BSS84, SOT-23

Miscellaneous

K1 = 5-way pin socket, 0.1” pitch
K2 = 3-way pin socket, 0.1” pitch

* = see text