產(chǎn)品詳情介紹
RF放大器偏置控制器
RF放大器偏置控制器可生成調(diào)節(jié)漏極電壓并主動(dòng)調(diào)整外部放大器的柵極電壓，從而實(shí)現(xiàn)恒定的偏置電流。它可用于為A級(jí)區(qū)（指定漏極電壓(VDRAIN)）的增強(qiáng)和耗盡型放大器提供合適的偏置。這些器件實(shí)現(xiàn)了出色的電壓、溫度和工藝變化偏置穩(wěn)定性，避免了由此引起的RF性能下降所需的校準(zhǔn)過(guò)程。
| 產(chǎn)品型號(hào) | Vs+ (min) | Vs+ (max) | Vs Drain (min) | Vs Drain (max) | Idrain (min) | Idrain (max) | Igate Drive (min) | Igate Drive (max) | Vgate (min) | Vgate (max) |
| V | V | V | V | A | A | A | A | V | V | |
| AD7293 | -4.5 | 5.5 | -10m | 10m | -4 | 10 | ||||
| HMC980-Die | 5 | 16.5 | 5 | 16.5 | 0.05 | 1.6 | -4m | 4m | -2.46 | 2.04 |
| HMC980LP4E | 5 | 16.5 | 5 | 16.5 | 0.05 | 1.6 | -4m | 4m | -2.46 | 2.04 |
| HMC981-Die | 4 | 12 | 4 | 12 | 20m | 200m | -0.8m | 0.8m | -2.5 | 2 |
| HMC981LP3E | 4 | 12 | 4 | 12 | 20m | 200m | -0.8m | 0.8m | -2.5 | 2 |
| HMC920 | 5 | 16.5 | 3 | 15 | 0m | 500m | -4m | 4m | -2.5 | 2 |