CrowdSupply Open Source RF Signal Generator

The Best Open Source RF Signal Generator Just Got Better

ERASynth Micro is an open source signal generator with impressive features. Everyone can afford it, including makers, hackers, students, ham radio and SDR users. ERASynth Micro can be powered from a USB port and features an LCD interface for standalone use without a computer or phone. It can generate low phase noise RF signals from 12.5 MHz to 6.4 GHz with a dual PLL architecture.

Features & Specifications

• Architecture: Dual loop Fractional-N PLL
• Frequency Range: 12.5 MHz to 6.4 GHz
• Amplitude Range: -50 to +15 dBm
• Phase Noise: -115 dBc/Hz @ 1 GHz output and 10 kHz offset
• Frequency Switching Time: 1 ms (typical)
• Reference: Ultra-low noise 50 MHz VCXO locked to a ±500 ppb TCXO
• MCU: ATMEGA32U4 (same as in the Arduino Micro)
• 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
• Modulation: AM, FM, Pulse (Internal and external)
• Size: 57 mm x 118 mm x 23 mm
• Weight: <120 g (including the LCD screen)
• Power Input: 5 V
• Power Consumption: <2 W
• Enclosure: Injection molded plastic case
• Open Source: Schematics, embedded Arduino code, LCD screen source code, and RS-232 command set