69 lines
902 B
Markdown
69 lines
902 B
Markdown
|
---
|
|||
|
|
title: 初步规划
|
|||
|
|
updated: 2022-01-09 01:24:26Z
|
|||
|
|
created: 2022-01-09 00:58:27Z
|
|||
|
|
latitude: 1.29820000
|
|||
|
|
longitude: 103.78360000
|
|||
|
|
altitude: 0.0000
|
|||
|
|
tags:
|
|||
|
|
- 选型
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
# 初步规划
|
|||
|
|
|
|||
|
|
先做mini版，基于HMC835，只有频率和功率，分辨率0.5dBm，谐波不处理
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
物料成本约200
|
|||
|
|
|
|||
|
|
盒体50
|
|||
|
|
|
|||
|
|
贴装20
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
完整版换为LMX2572，分辨率0.1dBm（VGA），抑制谐波
|
|||
|
|
版本对比如下：
|
|||
|
|
|项|mini|normal
|
|||
|
|
|:-:|:-:|:-:|
|
|||
|
|
|电池供电|x|√|
|
|||
|
|
|谐波抑制|x|√|
|
|||
|
|
|串口控制|√|√|
|
|||
|
|
|CDC
|
|||
|
|
|HID控制|x|√
|
|||
|
|
|网络控制|x|√|
|
|||
|
|
|SCPI
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
# 2021.04.13
|
|||
|
|
|
|||
|
|
mini版暂定配置
|
|||
|
|
|
|||
|
|
**板材**：FR4四层
|
|||
|
|
|
|||
|
|
**供电**：USB，无电池
|
|||
|
|
|
|||
|
|
**MCU**：
|
|||
|
|
|
|||
|
|
**功能**：可联机升级固件，BootLoader采用2K版；频率、幅度
|
|||
|
|
|
|||
|
|
**参考**：AS318-B-100S-1 2520
|
|||
|
|
|
|||
|
|
**PLL**：HMC835
|
|||
|
|
|
|||
|
|
**开关**：sky13317
|
|||
|
|
|
|||
|
|
**衰减**：威世VISHAY 10dB固定衰减器*3+PE43711
|
|||
|
|
|
|||
|
|
**放大器**：TC2106
|
|||
|
|
|
|||
|
|
|
|||
|
|
#选型
|