MAX2605EUT-T Maxim Integrated Products, MAX2605EUT-T Datasheet
MAX2605EUT-T
Related parts for MAX2605EUT-T
MAX2605EUT-T Summary of contents
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... Small Size o Integrated Varactor for Tuning o Low Phase Noise o Wide Application Frequency Range o Differential or Single-Ended Outputs o Single +2.7V to +5.5V Supply o Ultra-Small SOT23-6 Package o On-Chip Temperature-Stable Bias o Low-Current Operation PART MAX2605EUT-T Applications MAX2606EUT-T MAX2607EUT-T MAX2608EUT-T MAX2609EUT-T PHASE TOP VIEW NOISE (dBc/Hz) -117 ...
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Integrated IF VCOs with Differential Output ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC IND to GND ................................................-0. TUNE to GND .............................................-0. OUT+, OUT- to GND ..................................-0. Continuous Power ...
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AC ELECTRICAL CHARACTERISTICS (MAX2605–MAX2609 EV kits +2.7V to +5.5V ues are +2.75V 1.5V, and T CC TUNE PARAMETER MAX2605 MAX2606 Oscillator Nominal Frequency MAX2607 Range (Note 4) MAX2608 MAX2609 MAX2605 MAX2606 ...
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Integrated IF VCOs with Differential Output AC ELECTRICAL CHARACTERISTICS (continued) (MAX2605–MAX2609 EV kits +2.7V to +5.5V ues are +2.75V 1.5V, and T CC TUNE PARAMETER Even-Order Harmonics Differential, ...
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EV kit +2.75V TUNE MAX2606 VCO TUNING CURVE 130 120 110 100 90 0 0.5 1.0 1.5 2.0 2.5 V (V) TUNE VCO TUNING CURVE 680 640 600 560 520 480 0 0.5 PIN NAME ...
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Integrated IF VCOs with Differential Output Detailed Description The MAX2605–MAX2609 are low-noise VCOs designed for fixed/single-frequency IF applications. The core oscillator circuit is based on the well-known Colpitts topology. The varactor and feedback capacitors are integrated on-chip ...
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REQUIRED INDUCTANCE vs. DESIRED VCO FIXED FREQUENCY 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 45 Figure 1. MAX2605 Required Inductance vs. Desired VCO Fixed Frequency _______________________________________________________________________________________ 45MHz to 650MHz, Integrated IF VCOs with Differential ...
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Integrated IF VCOs with Differential Output REQUIRED INDUCTANCE vs. DESIRED VCO FIXED FREQUENCY 790 740 690 640 590 540 490 440 390 340 290 240 190 140 Figure 2. MAX2606 Required Inductance vs. Desired ...
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Figure 3. MAX2607 Required Inductance vs. Desired VCO Fixed Frequency _______________________________________________________________________________________ 45MHz to 650MHz, Integrated IF VCOs with Differential ...
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Integrated IF VCOs with Differential Output REQUIRED INDUCTANCE vs. DESIRED VCO FIXED FREQUENCY 41.0 40.0 38.0 37.0 36.0 35.0 34.0 33.0 32.0 31.0 30.0 29.0 28.0 27.0 26.0 25.0 24.0 23.0 22.0 21.0 20.0 19.0 18.0 17.0 ...
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REQUIRED INDUCTANCE vs. DESIRED VCO FIXED FREQUENCY 14.0 13.5 13.0 12.5 12.0 11.5 11.0 10.5 10.0 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 500 510 520 530 540 550 Figure 5. MAX2609 Required Inductance ...
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Integrated IF VCOs with Differential Output the cathode of the varactor. This is accomplished through the use of a simple bypass capacitor connect- ed from TUNE to ground. The value of this capacitor should be greater than ...
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BYP 3 TUNE FROM PLL LOOP FILTER OUTPUT Figure 6. Typical Operating Circuit Chip Information TRANSISTOR COUNT: 158 ______________________________________________________________________________________ 45MHz to 650MHz, Integrated IF VCOs with Differential Output OUT+ MAX2605 MAX2606 MAX2607 ...
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Integrated IF VCOs with Differential Output IND PAR2 PAR1 Figure 7. Simple Model of External Inductance MAX2605 MAX2606 MAX2607 MAX2608 4 MAX2609 Γ Figure 9. Output Matching Network 14 ______________________________________________________________________________________ ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________15 © 2002 Maxim Integrated Products ...