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The LMX2486 device is a low-power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL. The device is fabricated using TI’s advanced process. With delta-sigma architecture, fractional spurs at lower offset frequencies are pushed to higher frequencies outside the loop bandwidth. The ability to push close in spur and phase noise energ.
• Quadruple Modulus Prescaler for Lower Divids
– RF PLL: 16/17/20/21 or 32/33/36/37
– IF PLL: 8/9 or 16/17
• Advanced Delta Sigma Fractional Compensation
– 12-Bit or 22-Bit Selectable Fractional Modulus
– Up to 4th Order Programmable Delta-Sigma Modulator
• Improved Lock Times and Programming
– Fastlock / Cycle Slip Reduction Which Requires Only a Single-Word Write
– Integrated Time-Out Counter
• Wide Operating Range
– LMX2486 RF PLL: 1.0 GHz to 4.5 GHz
• Useful Features
– Digital Lock Detect Output
– Hardware and Software Power-Down Control
– On-Chip Crystal Reference Frequency Doubler
– RF P.
LMX2486 - National Semiconductor
The LMX2486 is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL. The device is.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LMX2485 |
National Semiconductor |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 2 | LMX2485 |
Texas Instruments |
3-GHz Delta-Sigma Low-Power Dual PLLatinum Frequency Synthesizer |
|
| 3 | LMX2485E |
National Semiconductor |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 4 | LMX2485E |
Texas Instruments |
3-GHz Delta-Sigma Low-Power Dual PLLatinum Frequency Synthesizer |
|
| 5 | LMX2485Q-Q1 |
Texas Instruments |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 6 | LMX2487 |
National Semiconductor |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 7 | LMX2487 |
Texas Instruments |
Frequency Synthesizers |
|
| 8 | LMX2487E |
National Semiconductor |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 9 | LMX2487E |
Texas Instruments |
Frequency Synthesizers |
|
| 10 | LMX2411 |
National Semiconductor |
Baseband Processor |
|
| 11 | LMX2430 |
National Semiconductor |
Dual High Frequency Synthesizer |
|
| 12 | LMX2430 |
Texas Instruments |
Dual High-Frequency Synthesizer |
|