ERASynthMicro 是一款開源模擬射頻信號發生器，可通過 USB 端口供電，并具有 LCD 接口，無需PC即可獨立使用。配備 Arduino Micro 微控制器和觸摸顯示屏。ERASynth Micro 采用先進的 PLL/VCO 技術，結合內部超低相位噪聲頻率參考，形成可編程模擬信號發生器，可生成 12.5 MHz 至 6.4 GHz 的低相位噪聲 RF 信號。ERASynth Micro 使用雙環 PLL 架構提供快速頻率切換和微調分辨率。ERASynth Micro 還提供頻率、幅度和脈沖調制功能。頻率調諧和控制命令通過串行接口或觸摸顯示屏或 Windows GUI 加載到儀器中。

規格：

架構：雙環分數 N PLL，由 10 MHz 參考驅動。頻率范圍：12.5 MHz 至 6.4 GHz
幅度范圍：-50 至 +15dBm
相位噪聲：-115 dBc/Hz @ 1GHz 輸出和 10kHz 偏移
頻率切換時間：<1ms
參考：超低噪聲 50 MHz VCXO 鎖定至 ±500 ppb TCXO
MCU：ATMEGA32U4-MU（與 Arduino Microboard 相同）
接口：

?觸摸顯示模塊（3.2 英寸 Nextion NX4024T032）
?Micro-USB 用于電源輸入和串行訪問
?REF IN（SMA）用于外部參考輸入
?REF Out（SMA）用于 10 MHz 參考輸出
?RF Out（SMA）

?擴展連接器：外部觸發輸入、外部調制輸入、麥克風
輸入、GPIO（I2C）和 SPI
尺寸：57mm x 118mm x 23mm
重量：120g
電源輸入：5V
功耗：2W
外殼：注塑塑料外殼
開源：原理圖、嵌入式 Arduino 代碼、LCD 屏幕源代碼和 RS-232 命令集
調制：AM、FM、脈沖（內部和外部）

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)