Datenblatt-Suchmaschine für elektronische Bauteile |
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UPC2756TB Datenblatt(PDF) 8 Page - NEC |
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UPC2756TB Datenblatt(HTML) 8 Page - NEC |
8 / 9 page Data Sheet P13860EJ3V0DS00 8 µµµµPB1005GS Pin No. Pin Name Applied Voltage (V) Pin Voltage (V) Function and Application Internal Equivalent Circuit 16 VCC (divider block) 2.7 to 3.3 Supply voltage pin of prescalers. 17 LOout 2.08 Monitor pin of comparison frequency at phase detector. 18 GND (divider block) 0 Ground pin of prescalers + LOout amplifier 16 18 1st LO OSC ÷25 ÷8 IF MIX PD PD ÷2 Ref. 17 19 REFin 1.96 Input pin of reference frequency. This pin should be equipped with external 16.368 MHz oscillator (e.g. TCXO). 20 VCC (reference block) 2.7 to 3.3 Supply voltage pin of input/output amplifiers in reference block. 21 REFout 1.65 Output pin of reference frequency. The frequency from pin 19 can be took out as 1 VP-P swing. 20 19 18 21 PD 22 2ndIFout 1.56 Output pin of 2nd IF amplifier. This pin output 4.092 MHz clipped sinewave. This pin should be equipped with external inverter to adjust level to next stage on user’s system. 23 VCC (2ndIF-AMP) 2.7 to 3.3 Supply voltage pin of 2nd IF amplifier. 24 2ndIF bypass 2.30 Bypass pin of 2nd IF amplifier input 1. This pin should be grounded through capacitor. 25 2ndIFin2 2.35 Pin of 2nd IF amplifier input 2. This pin should be grounded through capacitor. 26 2ndIFin1 2.35 Pin of 2nd IF amplifier input 1. 2nd IF filter can be inserted between pin 26 & 28. 27 GND (2ndIF-AMP) 0 Ground pin of 2nd IF amplifier. 22 23 24 26 25 27 |
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Ähnliche Beschreibung - UPC2756TB |
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