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MAX19985A Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX19985A Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 23 page Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch _______________________________________________________________________________________ 3 RECOMMENDED AC OPERATING CONDITIONS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RF Frequency fRF (Note 5) 700 1000 MHz LO Frequency fLO (Note 5) 900 1300 MHz Using Mini-Circuits TC4-1W-17 4:1 transformer as defined in the Typical Application Circuit, IF matching components affect the IF frequency range (Note 5) 100 500 IF Frequency fIF Using alternative Mini-Circuits TC4-1W-7A 4:1 transformer, IF matching components affect the IF frequency range (Note 5) 50 250 MHz LO Drive Level PLO (Note 5) -3 +3 dBm +5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS ( Typical Application Circuit, VCC = +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources, PLO = -3dBm to +3dBm, PRF = -5dBm, fRF = 700MHz to 1000MHz, fLO = 900MHz to 1200MHz, fIF = 200MHz, fRF < fLO, TC = -40°C to +85°C. Typical values are at VCC = +5.0V, PRF = -5dBm, PLO = 0dBm, fRF =900MHz, fLO = 1100MHz, fIF = 200MHz, TC =+25°C, all parameters are guaran- teed by design and characterization, unless otherwise noted.) (Note 6) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS fIF = 200MHz, fRF = 824MHz to 915MHz, TC = -40°C to +85°C 7.0 8.7 10.2 Conversion Power Gain GC fIF = 200MHz, fRF = 824MHz to 915MHz, TC = +25°C (Note 9) 7.7 8.7 9.7 dB Conversion Power Gain Variation vs. Frequency ΔGC Flatness over any one of three frequency bands: fRF = 824MHz to 849MHz, fRF = 869MHz to 894MHz, fRF = 880MHz to 915MHz (Note 9) 0.15 0.3 dB Gain Variation Over TemperatureTCG TC = -40°C to +85°C -0.012 dB/°C TC = -40°C to +85°C 9.2 11.5 Noise Figure NF fRF = 850MHz, fIF = 200MHz, PLO = 0dBm, TC = +25°C, VCC = +5.0V 9.0 10.3 dB Noise Figure Temperature Coefficient TCNF TC = -40°C to +85°C 0.018 dB/°C Noise Figure Under Blocking Condition NFB +8dBm blocker tone applied to RF port, fRF = 900MHz, fLO = 1090MHz, PLO = -3dBm, fBLOCKER = 800MHz, VCC = +5.0V (Note 7) 18.8 22 dB TC = -40°C to +85°C 10.0 12.6 Input 1dB Compression Point IP1dB TC = +25°C (Note 9) 11.0 12.6 dBm fRF = 824MHz to 915MHz, fRF1 - fRF2 = 1MHz, fIF = 200MHz, PRF = -5dBm/tone, TC = -40°C to +85°C 22.5 25.5 Third-Order Input Intercept Point IIP3 fRF = 824MHz to 915MHz, fRF1 - fRF2 = 1MHz, fIF = 200MHz, PRF = -5dBm/tone, TC = +25°C (Note 9) 23.5 25.5 dBm |
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