The M-991 is a call progress tone generator integrated circuit for use in telephony systems. The circuit uses low-poser CMOS techniques to generate tones which are digitally controlled and highly ...

[Eric Wasatonic] had a box of SWB2433 transistors that he had very little information about. In order to discover their properties, he fired up his curve tracer to compare these transistors with more ...

Engineers and technicians often need to troubleshoot the proverbial “rat's nest” of wires in a system, in a network, or in telephone wiring. B&K Precision's Model 262 lets you find a wire in a bundle ...