Sample & Hold and White Noise Generator

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Here is the schematic, PC board layout, and parts placement. Always breadboard first! Have fun.

Sample & Hold and White Noise Generator Circuit Schematic

Sample Rate Indicator Mod (not on PCB)

Sample & Hold and White Noise Generator PCB Layout (Component Side View)

Sample & Hold and White Noise Generator Parts Layout

Sample & Hold and White Noise Generator Parts List
(Thanks to Colin Raffel)

Qty	Description	Value	Name
1	Linear Pot	100k	R1
1	Resistor, 1/4 Watt	33k	R2
11	Resistor, 1/4 Watt	100k	R3, R4, R5, R7, R13, R14, R16, R17, R19, R23, R25
1	Resistor, 1/4 Watt	27k	R6
1	Resistor, 1/4 Watt	2k	R8
2	Linear Pot	1M	R9, R12
1	Resistor, 1/4 Watt	10k	R10
1	Resistor, 1/4 Watt	470k	R11
1	Resistor, 1/4 Watt	47k	R15
2	Trimpot, Vert adj	1M	R18, R26
5	Resistor, 1/4 Watt	1k	R20, R24, R27, R28, R30
2	Resistor, 1/4 Watt	1M	R21, R22
1	Resistor, 1/4 Watt	2M	R29
1	Nonpolarized Cap	.033uF	C1
1	Nonpolarized Cap	1uF	C2
3	Nonpolarized Cap	100pF	C3, C14, C15
8	Nonpolarized Cap	.1uF	C4, C6, C8, C9, C10, C11, C12, C13
2	Polarized Cap	10uF	C5, C7
1	Nonpolarized Cap	470pF	C11
3	High Speed Diode	1n914	CR1, CR2, CR3
1	Zener Diode	1n4744	Z1
2	Dual Op Amp	TL082	IC1, IC5
1	Quad Op Amp	TL084	IC2
1	Quad Switch	CD4016	IC3
1	Quad Schmitt Trig	CD40106	IC4