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AD6459ARS Datasheet(PDF) 5 Page - Analog Devices |
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AD6459ARS Datasheet(HTML) 5 Page - Analog Devices |
5 / 12 page AD6459 –5– REV. 0 RF FREQUENCY – dB 20 6 50 450 100 150 200 250 300 350 400 18 14 12 10 8 16 RIN = 50Ω, IF = 13MHz RIN = 50Ω, IF = 26MHz RIN = 1kΩ, IF = 13MHz RIN = 50Ω, F = 45MHz RIN = 400Ω, IF = 13MHz Figure 3. Mixer Noise Figure vs. RF Frequency RF FREQUENCY – MHz 2000 800 0 50 550 100 150 200 250 300 350 400 450 500 1800 1000 600 200 1400 1200 400 1600 R SHUNT VGAIN = 2.2V C SHUNT VGAIN = 0.2V C SHUNT VGAIN = 1.0V R SHUNT VGAIN = 0.2V C SHUNT VGAIN = 2.2V 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 Figure 4. Mixer Input Impedance vs. RF Frequency, VPOS = 2.7 V, TA = +25 °C RF FREQUENCY – MHz 20 –10 50 450 100 150 200 250 300 350 400 15 10 5 0 –5 VGAIN = 0.2V VGAIN = 1.0V VGAIN = 2.25V Figure 5. Mixer Conversion Gain vs. RF Frequency, TA = +25°C, VPOS = 2.7 V, VREF = 1.2 V, FIF = 26 MHz RF FREQUENCY – MHz 20 –10 638 10 14 18 22 26 30 34 15 10 5 0 –5 VGAIN = 0.2V VGAIN = 1.0V VGAIN = 2.25V 42 46 Figure 6. Mixer Conversion Gain vs. IF Frequency, TA = +25°C, VPOS = 2.7 V, VREF = 1.2 V, FRF = 250 MHz TEMPERATURE – °C 70 30 0 –50 90 –40 –20 –10 0 10 20 30 40 50 60 70 80 60 50 20 10 40 –30 AMP/DEMOD, VPOS = 2.7V AMP/DEMOD, VPOS = 5.5V MIXER, VPOS = 2.7V MIXER, VPOS = 5.5V Figure 7. Mixer Conversion Gain and IF Amplifier/ Demodulator Gain vs. Temperature, VGAIN = 0.2 V, VREF = 1.2 V , FIF = 26 MHz, FRF = 250 MHz GAIN VOLTAGE – Volts –9 –10 –15 0 2.5 0.5 1 1.5 2 –11 –12 –13 –14 VPOS = 5.5V TA = +85°C VPOS = 5.5V TA = +25°C VPOS = 2.7V TA = +25°C VPOS = 2.7V TA = –25°C VPOS = 5.5V TA = –45°C Figure 8. Mixer Input 1 dB Compression Point vs. VGAIN, VREF = 1.2 V, FRF = 250 MHz, FIF = 26 MHz |
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