虽然电缆调制解调器和有线电视(CATV)机顶盒主要是由数字电路构成的,但是高性能的模拟电路仍然对应用起着至关重要的作用。Analog Devices, Inc.(简称ADI)拥有多种CATV线路驱动器和有源射频功分器,依旧是当今能满足这方面各种需求的主要供应商。ADI公司的高性能驱动器和功分器使得制造商推出当今市场上最先进的电缆调制解调器和机顶盒成为可能。
| Part# | -3dB Bandwidth | Gain/Attenuate Range (dB) | Gain Control Step | Gain (min) | Gain (max) | Distortion (2nd) | Distortion (3rd) | Max Pos Supply | Package | US Price 1000-4999 |
|---|---|---|---|---|---|---|---|---|---|---|
| AD8324 | 100MHz | 59dB | 1dB | -25.5dB | 33.5dB | -58dBc | -54dBc | 3.3V | 20-Lead LFCSP, 20-Lead QSOP |
$ |
| AD8327 | 160MHz | 48dB | 6.02dB | -18dB | 30dB | -54dBc | -57dBc | 5V | 20-Lead TSSOP | ** |
| AD8325 | 100MHz | 59dB | 750mdB | -29.5dB | 30dB | -60dBc | -54dBc | 5V | 28-Lead TSSOP |
$ |
| AD8321 | 120MHz | 53.4dB | 750mdB | -27.4dB | 26dB | -51dBc | -51dBc | 9V | 20-Lead SOIC | ** |
| Part# | -3dB Bandwidth | Gain/Attenuate Range (dB) | Noise Figure (dB) | Composite Triple Beat | Composite Second Order | Max Pos Supply | Package |
|---|---|---|---|---|---|---|---|
| ADA4304-3 | 2.4GHz | 3.3dB | 4dB | 72dBc | 62dBc | 5V | 16-Lead LFCSP |
| ADA4304-4 | 2.4GHz | 2.9dB | 4dB | -72dBc | -62dBc | 5V | 16-Lead LFCSP |
| ADA4304-2 | 1.6GHz | 2.8dB | 4.6dB | -72dBc | -62dBc | 5V | 16-Lead LFCSP |
| ADA4303-2 | 1.7GHz | 3dB | 4.4dB | -72dBc | -62dBc | 5V | - |
| ADA4302-4 | 1.3GHz | 4.6dB | 4.4dB | -66dBc | -73dBc | 5V | 20-Lead LFCSP |