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 |