| Abstract: APTEK TECHNOLOGIES INC/ Ã-7D D 0flflSl7b DODOBbS 2 iekaptekap^ aptekmicrosystems ^ekap/eKJ1 >v aptek ff ^fck op'.r METERING PULSE DESCRIPTION The metering pulse receiver bridges a telephone line (usually a city trunk at a PBX) and detects single-frequency metering tones transmitted from the city. AMS 3050 is for 12KHz tones; AMS 3051 for 16KHz. The receivers have high input impedance, and can be connected directly to the line without coupling capacitors. P J'75*27-o* AMS 3050/3051 F ... |
OCR Scan |
4 pages,
379.34 Kb
|
LM393 AMS305X APTEK MICROSYSTEMS datasheet abstract |
