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UPC8158K bảng dữ liệu(PDF) 8 Page - NEC |
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UPC8158K bảng dữ liệu(HTML) 8 Page - NEC |
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8 / 12 page ![]() Preliminary Data Sheet P13831EJ1V1DS00 8 µµµµPC8158K Pin No. Symbol Supply Voltage (V) Pin Voltage (V) Note Function and Application Internal Equivalent Circuit 22 N.C. – – This pin is not connected to internal circuit. This pin should be opened or grounded. ––––––––––––––––– 23 RFout – 1.75 RF output pin. This pin is emitter follower which is low impedance output port. This pin can be easily matched to 50 Ω impedance using external coupling and decoupling capacitors. 23 External 24 N.C. – – These pins are not connected to internal circuit. These pins should be opened or grounded. ––––––––––––––––– 25 VCC 2.7 to 4.0 – Supply voltage pin for RF output buffer. ––––––––––––––––– 26 Fil1 – 2.76 27 Fil2 – 2.76 External inductor and capacitor can supress harmonics spurious of LO1 frequency. LC value should be determined according to LO1 input frequency and suppression level. External 26 27 28 GND 0 – Ground pin for modulator, up- converter and AGC circuits. This pin should be grounded with minimum inductance. Form the ground pattern as widely as possible to minimize ground impedance. ––––––––––––––––– Note Pin Voltages are measured on VCC = 3.0 V. |
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