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U2796B

器件名称: U2796B
功能描述: 2-GHz Single Balanced Mixer
文件大小: 150.29KB    共11页
生产厂商: TEMIC
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简  介:U2796B 2-GHz Single Balanced Mixer Description The U2796B-FP is a 2-GHz down conversion mixer for telecommunication systems, e.g. cellular radio, CT1, CT2, DECT, PCN, using TEMIC Semiconductors advanced bipolar technology. The U2796B is well suited for the receiver portion of the RF circuit. Single balanced structure has been chosen for the best noise performance and low current consumption. The IIP3 is programmable. Features D Supply voltage range: 2.7 to 5.5 V D Exellent isolation characteristics D Low current consumption: 3.2 mA without RIP3 D IIP3 programmable D Input frequency operating range up to 2 GHz D RF characteristic nearly independent of supply voltage Benefits D Stand alone product D Low current consumption extends talk time D 3-V operation requires small space for batteries Block Diagram RFi E 2 3 B BPC Duty cycle control loop Mixer IFO 5 IFO 4 Buffer Voltage regulator 93 7758 e 6,8 7 LOi Figure 1. 1 VS Rev. A2, 15-Oct-98 1 (11) Preliminary Information U2796B Pin Description VS RFi BPC IFO 93 7820 e 1 2 3 4 8 7 6 5 GND LOi GND IFO Pin 1 2 3 4 5 6 7 8 Symbol Function VS Supply voltage RF RF input and IIP3 programming port BPC By-pass capacitor IFo IF output IFo IF output GND Ground LOi Local oscillator input GND Ground Figure 2. Absolute Maximum Ratings Parameters Supply voltage Input voltage Junction temperature Storage temperature Pin 1 Pins 2, 3, 4, 5 and 7 Symbol VS Vi Tj Tstg Value 6 0 to VS 125 – 40 to + 125 Unit V V °C °C Operating R……
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