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HFA3765IA データシート - Intersil

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部品番号
HFA3765IA

コンポーネント説明

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Intersil
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Description
The HFA3765 is a monolithic quadrature demodulator and a gain control amplifier stage with 90dB of dynamic range for CDMA/AMPS cellular applications. Two amplifier inputs are provided for interfacing different IF input filters. A local oscillator input requires low drive levels and a divide by two phase shifter with duty cycle compensation achieves excellent phase and amplitude balance properties. The HFA3765 is one of the four chips in the PRISM™ chip set and is housed in a 28 lead SSOP package ideally suited to cellular handset applications


FEATUREs
DescriptionIF Operation10MHz to 250MHz
• I/Q Amplitude and Phase Balance . . 0.5dB, 2 Degrees
• Voltage Gain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>60dB
• AGC Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90dB
• Output P1dB With 20pF Load . . . . . . . . . . . . . . . 2.5VPP
• Low LO Drive Level . . . . . . . . . . . . . . . . . . . . . . -10dBm
• Power Enable/Disable Control
• Single Supply Battery Operation . . . . . . . . . 2.7 to 3.3V


APPLICATIONs
• IS-95A CDMA/AMPS Dual Mode Handsets
• Wideband CDMA Handsets
• Full Duplex Transceivers
• CDMA/TDMA Packet Protocol Radios

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部品番号
コンポーネント説明
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