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ERASynthMicro 是一款开源模拟射频信号发生器，可通过 USB 端口供电，并具有 LCD 接口，无需PC即可独立使用。配备 Arduino Micro 微控制器和触摸显示屏。ERASynth Micro 采用先进的 PLL/VCO 技术，结合内部超低相位噪声频率参考，形成可编程模拟信号发生器，可生成 12.5 MHz 至 6.4 GHz 的低相位噪声 RF 信号。ERASynth Micro 使用双环 PLL 架构提供快速频率切换和微调分辨率。ERASynth Micro 还提供频率、幅度和脉冲调制功能。频率调谐和控制命令通过串行接口或触摸显示屏或 Windows GUI 加载到仪器中。

规格：

架构：双环分数 N PLL，由 10 MHz 参考驱动。频率范围：12.5 MHz 至 6.4 GHz
幅度范围：-50 至 +15dBm
相位噪声：-115 dBc/Hz @ 1GHz 输出和 10kHz 偏移
频率切换时间：<1ms
参考：超低噪声 50 MHz VCXO 锁定至 ±500 ppb TCXO
MCU：ATMEGA32U4-MU（与 Arduino Microboard 相同）
接口：

?触摸显示模块（3.2 英寸 Nextion NX4024T032）
?Micro-USB 用于电源输入和串行访问
?REF IN（SMA）用于外部参考输入
?REF Out（SMA）用于 10 MHz 参考输出
?RF Out（SMA）

?扩展连接器：外部触发输入、外部调制输入、麦克风
输入、GPIO（I2C）和 SPI
尺寸：57mm x 118mm x 23mm
重量：120g
电源输入：5V
功耗：2W
外壳：注塑塑料外壳
开源：原理图、嵌入式 Arduino 代码、LCD 屏幕源代码和 RS-232 命令集
调制：AM、FM、脉冲（内部和外部）

ERASynthMicrois an open source analog RF signal generator featuring an Arduino Micro micro-controller and atouch display. ERASynth Micro uses advanced PLL/VCO technology, coupled with an internal ultra-low phase noise frequency reference to form a programmable analog signal generator capable of generating a low phase noise signals up to 6.4GHz. ERASynth Micro provides fast frequency switching and fine-tuning resolution using a dual loop PLL architecture. ERASynth Micro also offers frequency, amplitude and pulse modulation capabilities. The frequency tuning and control commands are loaded into the instrument viathe serial interface or via Touch Displayor Windows GUI.

Feature：

Architecture: Dual loop Fractional-N PLL driven by a10 MHzreference. Frequency Range: 12.5 MHz to 6.4 GHz
Amplitude Range: -50 to +15dBm
Phase Noise: -115 dBc/Hz @ 1 GHz output and 10 kHz offset
Frequency Switching Time: <1ms
Reference: Ultra-low noise 50 MHz VCXO locked to a±500 ppb TCXO
MCU: ATMEGA32U4-MU (same as in the Arduino Microboard)
Interfaces:

?Touch Display Module (3.2” Nextion NX4024T032)
?Micro-USB for power input and serial access
?REF IN (SMA) for external reference input
?REF Out (SMA) for 10 MHz reference output
?RF Out (SMA)

?Expansion connector: External trigger input, external modulation input, microphone
input, GPIO (I2C) and SPI
Dimensions: 57mm x 118mm x 23mm
Weight: 120g
Power Input: 5V
Power Consumption:2W
Enclosure: Injection molded plastic case
Open Source: Schematics, embedded Arduino code, LCD screen source code and RS-232 command set
Modulation: AM, FM, Pulse (Internal and external)