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ISL3685 数据表(PDF) 5 Page - Intersil Corporation |
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ISL3685 数据表(HTML) 5 Page - Intersil Corporation |
5 / 19 page 5 LNA Input 50 Ω VSWR with Match Network High Gain Mode - - 2.0:1 - Low Gain Mode - - 2.0:1 - LO VSWR (Direct) LO = Single End - - 2.0:1 - Differential IF Output Load Shared with TX - 200 - Ω IF Output Capacitance (Single Ended) - 1.2 - pF IF Output Resistance (Single Ended) - 5.5 - k Ω LO to LNA Input Feedthrough (Cascaded, no Filter) - -65 -50 dBm Gain Switching Speed at Full Scale - High to Low ±1dB settling - 0.03 0.1 µs Gain Switching Speed at Full Scale - Low to High ±1dB settling - 0.25 0.3 µs Image Rejection (Cascaded, No Filter) With Matching Network - 14 - dB Cascaded Transmit Mixer AC Electrical Specifications Assumes a direct connection between the Mixer and Preamplifier, F = 374MHz, LO = 2075MHz at -6dBm, VCC = 2.7 Unless Otherwise Specified, 25oC. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS RF Frequency Range 2400 - 2500 MHz IF Frequency Range 280 374 600 MHz LO Frequency Range 1800 - 2220 MHz Power Conversion Gain 200 Ω In, 50Ω Out 21 25 29 dB SSB Noise Figure -10 15 dB Output IP3 +12 +14 - dBm Output P1dB +2.8 +4 - dBm LO Input Drive Level Same as RX -10 -6 0 dBm LO to Transmit Amp. Output Feedthrough (Cascaded, No Filter) - -25 - dBm Preamplifier Output 50 Ω VSWR - - 3.0:1 - LO 50 Ω VSWR LO = Single End - 1.4:1 2.0:1 - Differential IF Input Load Shared with RX - 200 - Ω IF Input Capacitance (Single Ended) - 1.1 - pF IF Input Resistance (Single Ended) - 0.7 - k Ω Phase Lock Loop Electrical Specifications (See Notes 4 through 12) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Operating LO Frequency (32/33 Prescaler) 1800 - 2220 MHz Operating LO Frequency (64/65 Prescaler) 1800 - 3500 MHz Reference Oscillator Frequency - - 50 MHz Selectable Prescaler Ratios (P) 32/33 - 64/65 - Swallow Counter Divide Ratio (A Counter) 0 - 127 - Programmable Counter Divide Ratio (B Counter) 3 - 2047 - Reference Counter Divide Ratio (R Counter) 3 - 32767 - Reference Oscillator Sensitivity, Single or Differential Sine Inputs 0.5 - VCC VPP Cascaded LNA/Mixer AC Electrical Specifications Assumes a direct connection between the LNA and Mixer, IF = 374MHz, LO = 2075MHz at -6dBm, VCC = 2.7 Unless Otherwise Specified, 25oC (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS ISL3685 |
类似零件编号 - ISL3685 |
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类似说明 - ISL3685 |
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