Agilent 1961-05 free download

File name 1961-05.pdf

HEWLETT-PACKARD JOURNAL T E C H N I C A L I N F O R M A T I O N F R O M T H E - h p - L A B O R A T O R I E S Vol. 12, No. 9 BUSHED CALIFORNIA THE HEWLETT-PACKARD COMPANY, 1501 PAGE MILL ROAD, PALO ALTO, CALIFORNIA MAY, 1961 Two New Transistorized Frequency Counters with Increased Readout and Low-Frequency Capabilities THE accuracy, speed and simplicity with kc counter has a 5-digit display system. Each which measurements can be made with the counter is available with either an in-line read electronic frequency counter have made it one out or with an improved arrangement of the of the most useful and popular instruments familiar column readout. Both counters are available. In the ten years since it was first fully transistorized and are packaged in cab offered commercially, considerable industry inets only 3i" high. The cabinet style is such effort has been devoted to further refinement that the standard bench-type instrument can of digital counting techniques and to expand also be used in a relay rack, if desired, by add ing the versatility of equipment employing ing a pair of simple brackets supplied with the these techniques. Drawing from the experience instrument. of its years of leadership in this field, Hewlett- NEW READOUT Packard has recently introduced the electronic FEATURES counters shown below as the first of a new gen In addition to these basic specifications, the eration of digital frequency and time-measur new counters have several unusual operating ing instruments. conveniences. One of the most apparent of Of the two new counters one operates over these is that the readout is steady and continu the frequency range from 2 cps to 1.2 m