QLF Filter Parts List

Assembly Procedure Ordering
Item Quantity Description
87C750 1 Microprocessor IC
74LS240 1 Octal buffer IC
Xtal 1 16MHZ Microprocessor Clock Crystal
LED1 thru LED6 spare 7 Indicator LED
C1 1 10.0 Mfd Cap
C2 C3 C4 C5 C6 5 .01mfd disk cap
Q1 Q2 2 2N2222 Transistor
Q3 1 2N3019 Transistor
D1 D2 D3 3 1N9001 Diode
R1 R2 R3 R4 R5 R6 spare 7 220 ohm (R R Brn) 1/8 watt Resistor
R7 1 8.2K (Grey R R) 1/8 watt Resistor
R9 1 100 ohm (Brn Blk Brn) 1/8 watt Resistor
R8 R10 R11 R13 4 4.7K (Y Vio R) 1/8 watt Resistor
R12 1 33 ohm (Or Or Black) 1/8 watt Resistor
R14 1 820 ohm (Gr R Br) 1/8 watt Resistor
R15 1 100 ohm (Brn Blk Brn) 1/2 watt Resistor