LTC®6948 是一款具全集成型 VCO 的高性能、低噪声、6.39GHz 锁相环 (PLL),其包括一个基准分频器、相位-频率检测器 (PFD)、超低噪声充电泵、分数反馈分频器和 VCO 输出分频器。
分数分频器采用一个高级 4 阶 ΔΣ调制器,该调制器可提供异常低的杂散电平。这提供了很宽的环路带宽,从而能够产生极低的积分相位噪声值。
可编程 VCO 输出分频器 (分 1~6 级) 扩展了输出频率范围。
器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) * |
---|---|---|---|---|
LTC6948IUFD-1#PBF | 4x5 QFN-28 | I | $10.36 | $7.25 |
LTC6948IUFD-1#TRPBF | 4x5 QFN-28 | I | $7.31 | |
LTC6948IUFD-2#PBF | 4x5 QFN-28 | I | $10.36 | $7.25 |
LTC6948IUFD-2#TRPBF | 4x5 QFN-28 | I | $7.31 | |
LTC6948IUFD-3#PBF | 4x5 QFN-28 | I | $10.36 | $7.25 |
LTC6948IUFD-3#TRPBF | 4x5 QFN-28 | I | $7.31 | |
LTC6948IUFD-4#PBF | 4x5 QFN-28 | I | $10.36 | $7.25 |
LTC6948IUFD-4#TRPBF | 4x5 QFN-28 | I | $7.31 |
器件型号 | 描述 | 价格 |
---|---|---|
DC1959A-B | LTC6948-2 Demo Board | Ultralow Noise and Spurious 513MHz to 4.91GHz Frac-N Synthesizer with Integrated VCO, (Req DC590) | $125.00 |
DC1959A-C | LTC6948-3 Demo Board| Ultralow Noise and Spurious 640MHz to 5.79GHz Frac-N Synthesizer with Integrated VCO, (Req DC590) | $125.00 |
DC1959B-A | LTC6948-1 Demo Board | Ultralow Noise and Spurious 373MHz to 3.74GHz Frac-N Synthesizer with Integrated VCO, (Req DC590 or DC2026) | $125.00 |
DC1959B-D | LTC6948-4 Demo Board | Ultralow Noise and Spurious 700MHz to 6.39GHz Frac-N Synthesizer with Integrated VCO, (Req DC590 or DC2026) | $125.00 |
器件型号 | 描述 | 价格 |
---|---|---|
DC2026C | Linduino One Isolated USB Demo Board: An Arduino- and QuikEval-Compatible Code Development Platform | $75.00 |
DC2429A | LT3042 PLL/VCO Supply and Reference Board | $150.00 |
DC590B | Isolated USB Serial Controller for Linear Technology QuikEval-Compatible Demo Boards | $50.00 |