$8.50
National Semiconductor LM386N-1 Semiconductor, Low Voltage, Audio Power Amplifier, Dip-8, 3.3 mm H x 6.35 mm W x 9.27 mm L (Pack of 10)Amazon$99.95
Linear Applications Handbook: National Semiconductor (Databook)Amazon$94.98
National Semiconductor LM4562NA/NOPB LM4562NA LM4562 + Industrial Machined Round Sockets Dual OpAmp DIP-8 IC (Pack of 20)Amazon$8.90
National Semiconductor LM318N Single General Purpose OP Amplifier, 8-Pin, -20 Volt, MDIP Rail, 9.27 mm L x 6.35 mm W x 3.3 mm H (Pack of 10)Amazon$10.11
National Semiconductor LM334Z Current Source, 3-Terminal, Adjustable (Pack of 10)Amazon$34.95
National Semiconductor LM308N LM308 + Socket - Precision Op Amp (Pack of 2)Amazon$12.44
National Semiconductor LM567 LM567C LM567CN General Purpose Tone Decoder DIP8 5 PiecesAmazon$6.90
Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICs (Pack of 8)Amazon$8.49
Juried Engineering National Semiconductor LM567CN/NOPB LM567CN LM567 IC Tone Decoder & 8-Pin DIP Sockets with Machined Contact Pins Breadboard-Friendly (Pack of 1)Amazon$16.44
National Semiconductor Audio/Radio HandbookAmazon$94.00
Securing the Future: Regional and National Programs to Support the Semiconductor IndustryAmazon
$8.50National Semiconductor LM386N-1 Semiconductor, Low Voltage, Audio Power Amplifier, Dip-8, 3.3 mm H x 6.35 mm W x 9.27 mm L (Pack of 10)Amazon