direct reading digitizer

7-60 g direct reading digitizer The computer to which this digitizer is coupled reads a 3-digit number that is a direct representation of the measured voltage in millivolts. The analogue-to-digital converter is an RCA type CA3162, which was designed for use in a 3-digit digital 5V 10 2D D2 MI= 5 V CI MKT o 7 0 n voltmeter. The input range of the IC stretches from —99 mV to 999 mV: the resolving power is, therefore, 1098 units. In other words, this converter offers a resolving power that is better than that of a standard 10-bit device for the price of an 8-bit device. 5V N1 ... N4 = IC2 = 74LS132 0 N5 ... N16 = 1C3,1C4,105 = 3 x 74LS266 N17 ... N20 = IC6 = 74LS08 The 3-digit information at the output of the 3162 is multiplexed. The data can, for instance, be written into the micro via seven PIA (peripheral inter- face adapter) input lines. That means, however, that some machine language is required to be loaded into 10 LO GAIN nim HLD 131 7 6 9 1 1.2.2 P2 6 OE 10k dE CLK 5VO ® 5...