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UPC2775GR-E1 Datasheet(PDF) 4 Page - NEC |
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UPC2775GR-E1 Datasheet(HTML) 4 Page - NEC |
4 / 16 page µPC2775GR/GS 4 Data Sheet P10194EJ3V0DS00 Symbol IF output VCC MIX output 1 MIX output 2 VRF input (bypass) VRF input GND URF input (bypass) URF input Equivalent circuit Pin No. 11 12 13 14 15 16 17 18 19 20 Pin voltage TYP. above: V mode (V) below: U mode (U) 5.80 5.65 9.0 9.0 7.05 6.95 7.05 6.95 2.75 2.80 2.75 2.80 0 0 – 2.65 – 2.65 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Function and Explanation IF output pins of VHF-UHF band functions. Higher output power can be obtained by connecting registor (ex. 470 Ω) to the ground. Power supply for VHF-UHF band functions. VHF and UHF MIX output pin. These pins should be equipped with tank circuit to adjust frequency. VRF signal input pin from antenna. Bypass pin for VHF MIX input. Grounded through capacitor. GND pin of MIX, IF amplifier and regulator. Bypass pin for UHF MIX input. Grounded through capacitor. URF signal input pin from antenna. - - - - - - - - - - - - - - - - - - - - - - - - - - 11 12 13 15 From VHF OSC 14 13 16 17 15 From UHF OSC 14 13 20 19 |
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