AF101 NSC | Alldatasheet
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o . 2 . . i ZA National Active Filters Semiconductor AF101 High Band Splitter Filter General Description Features The AF101 is a fourth order high pass elliptic filter * Fully tuned designed to pass frequencies above 1200 Hz. This = High iny filter is used to separate the high band of frequencies igh input impedance from the low band in a Dual Tone Multi Frequency * Low output impedance (DTMF) Touch Tone® receiver. The unit is fully ® Wide power supply range +5V to +18V tuned and requires no external components ~ only power supply, input, and output connections Connection Diagram (6) mr BuTeUT ine wre vet any wep tot one a] al xl af ce] oof of of sel sf fo Gd or) ae oz Gad ov Gara ear ne we Ceramic Dual.in-Line Package HY24A aFioics @ Registered service mark of AT&T Company. 14-22
Absolute Maximum Ratings 7 Ss g Supply Voltage s18V ‘ Power Dissipation 1 Input Voltage +36V Output Short Circuit Duration Infinite Lead Temperature (soldering, 10 sec.) 300°C Operating Temperature Range 0°C to +70°C ‘Storage Temperature Range -25°C to +100°C Electrical Characteristics v, + 12v to +15v, T,=0°C to 70°C, unless otherwise specified. PARAMETER ‘SYMBOL conoitions [win [typ | MAX | UNITS Cutoff Frequency fe 1190 1209 | He Passband Ripple AMAX 1190 to 1660Hz 0.5 oO 06 dB Stopband Edge fe 941 955 He Stopband Attenuation AMIN Fo) 28 a8 Gain Po at 1336Hz 05 o 40.5 dB Group Delay od 2 ms Input Impedance Zin 30k 32k a Output Impedance 20 <1 5 2 Operating Supply Voltage} Vg. 45 +18 v Power Supply Current Is Vg = #15V 5 9 mA Typical Performance Characteristics Typical Amplitude Response Ff
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