El Burrito Mezzanine PCB for all El Burrito GHz Frontends

This Mezzanine PCB connects the ESP32 Wifi Kit with the MAX2870 module. This is generic and can also be

used for other (Non El Burrito or MAX2870). Note that the "other" MAX2870 Module, that includes LCD and

MCU DID NOT WORK with the EB6 Frontend, NOT EVEN AS RX, there were too much birdies every some 4 khz.

This PCB is useful to make the connections easier, because everything can be soldered together, instead of soldering

wires. Also includes is the MIC amplifier and 2 High-Side drivers for the El burrito EB3 and El Burrito EB9.

Suitable for El Burrito EB6 - 6cm 5760MHz

Suitable for El Burrito EB3 - 3cm 10368MHz

Suitable for El Burrito EB9 - 9cm 3400MHz

'Suitable for El Burrito EB13 - 13cm 2320 Mhz

Not used on El Burrito EB24 - 12mm 24048MHz

If you want your LO to work an a specific LO-Frequency, cou can set up a fix frequency,

Firmware for the ESP32 is available on Github. look for "El Burrito EB6"

Attention: before you solder the Mezzanine PCB on top of the MAX2870 board, be sure to

have swapped the Oscillator to a TCXO.