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SA647DH Datasheet(PDF) 5 Page - NXP Semiconductors |
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SA647DH Datasheet(HTML) 5 Page - NXP Semiconductors |
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5 / 14 page  Philips Semiconductors Product specification SA647 Low-voltage digital IF receiver 1998 Aug 10 5 AC ELECTRICAL CHARACTERISTICS VCC = +3.0V, Mixer input freq = 110.52MHz, LO input freq = 109.92MHz, TA = 25°C; unless otherwise stated. SYMBOL PARAMETER TEST CONDITIONS LIMITS UNITS SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Mixer/Osc section fIN Input signal frequency 200 MHz fOSC Crystal oscillator frequency 200 MHz NF Noise figure at 110.52MHz Matched input and output 50 Ω 4.5 dB IIP3 Third-order input intercept point Matched input and output to 50 Ω -29.5 dBm GCP Conversion power gain Matched input and output to 50 Ω 17 20 23 dB RIN Mixer input resistance at 110.52 MHz 670 Ω CIN Mixer input capacitance at 110.52 MHz 3.0 pF ROUT Mixer output resistance at 600 kHz 1.5 k Ω ISOL Mixer RF to LO isolation 32 dB Buffered LO output level, DC coupled 10kII3.9pF load 110 230 320 mVP–P External input level f = 110.52 MHz at Pin 4 250 mVP–P IF section IF amp power gain Matched input and output 50 W 30 36 dB Limiter power gain 51 60 dB IFBW IF amp bandwidth 2 MHz RSSI output Input power level = -113dBm, Pin 1 0.30 V Input power level = -68dBm, Pin 1 1.00 V Input power level = -29dBm, Pin 1 1.55 V RSSI range 85 dB RSSI accuracy ±1.5 dB RSSI ripple 30 mVP–P RSSI speed – (Rise Time) Input @ Pin 1 No filter 5 µs RSSI speed – (Fall time) Input @ Pin 1 No filter 25 µs IF input impedance 1.5 k Ω IF output impedance 1.5 k Ω Limiter input impedance 1.5 k Ω Limiter output impedance (Pin 10, Pin 11) 230 Ω Limiter output (each pin) Output load is 1.5K in parallel with 30 pF to GND each pin 240 350 420 mVP–P Limiter output DC level 1.27 V Differential output matching ±5 mV Limiter output offset 0.09 V |
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