Part Type Designator Lead Spacing (Pitch) Description 220pF C1 0.2" Ceramic Capacitor 1nF C2 0.4" Film Capacitor 10uF C3 0.1" Electrolytic Capacitor 4.7nF C4 0.4" Film Capacitor 220pF C5 0.2" Ceramic Capacitor 47nF C6 0.4" Film Capacitor 10uF C7 0.1" Electrolytic Capacitor 220pF C8 0.2" Ceramic Capacitor 47nF C9 0.4" Film Capacitor 47nF C10 0.4" Film Capacitor 47nF C11 0.4" Film Capacitor 100uF C12 0.1" Electrolytic Capacitor 1N914/1N4148 D1 0.3" Small Signal Diode LINK or 100K OP1 0.4" Wire Link or Optional Small Resistor 1/4 - 1/2W 100K OP2A 0.4" Optional Small Resistor 1/4 - 1/2W 10uF OP2B 0.1" Optional Electrolytic Capacitor J201 Q1 0.1"/SIP3 JFET Transistor (J201, 2N5457, 2N5484, 2N5485, MPF102, etc) J201 Q2 0.1"/SIP3 JFET Transistor (J201, 2N5457, 2N5484, 2N5485, MPF102, etc) J201 Q3 0.1"/SIP3 JFET Transistor (J201, 2N5457, 2N5484, 2N5485, MPF102, etc) J201 Q4 0.1"/SIP3 JFET Transistor (J201, 2N5457, 2N5484, 2N5485, MPF102, etc) 1M R1 0.4" Small Resistor 1/4 - 1/2W 33K R2 0.4" Small Resistor 1/4 - 1/2W 100K R3 0.4" Small Resistor 1/4 - 1/2W 50K R4 Universal Trimpot 5mm Horizontal or Vertical Trimpot 470K R5 0.4" Small Resistor 1/4 - 1/2W 470K R6 0.4" Small Resistor 1/4 - 1/2W 100K R7 0.4" Small Resistor 1/4 - 1/2W 50K R8 Universal Trimpot 5mm Horizontal or Vertical Trimpot 470K R9 0.4" Small Resistor 1/4 - 1/2W 470K R10 0.4" Small Resistor 1/4 - 1/2W 100K R11 0.4" Small Resistor 1/4 - 1/2W 50K R12 Universal Trimpot 5mm Horizontal or Vertical Trimpot 470K R13 0.4" Small Resistor 1/4 - 1/2W 10K R14 0.4" Small Resistor 1/4 - 1/2W 100R R15 0.4" Small Resistor 1/4 - 1/2W 100R R16 0.4" Small Resistor 1/4 - 1/2W LEDR R17 0.4" Small Resistor 1/4 - 1/2W typ 1k for std LED, 10-15k for high brightness LED 1MA VR1 0.2" 16mm Single Gang Pot for PCB mount, any for off-board wired 10KC VR2 0.2" 16mm Single Gang Pot for PCB mount, any for off-board wired 100KA VR3 0.2" 16mm Single Gang Pot for PCB mount, any for off-board wired