JF3HZB PLL VFO
author: W9AC
2 layer board of 3.22 x 2.05 inches (81.9 x 52.1 mm)
Uploaded:
June 04, 2023
Shared:
June 04, 2023
Total Price:
$33.00
Digital re-creation of an analog VFO. See www.w9ac.com for details. B.O.M. below:
QTY DESCRIPTION
(1) ESP32 Board https://www.amazon.com/dp/B0811LGWY2?psc=1&ref=ppx_yo2ov_dt_b_product_details There are MANY ESP32 variations so stick to this one.
(1) 1 .8-inch TFT Display https://www.ebay.com/itm/224237573577
(1) Si5351 PLL Board
(1) Encoder w/ Switch (Bourns PEC11R-4020K-S0024)
(1) L4940V5 LDO 5.0V Linear Regulator
(2) 2K2 1/4W Resistors
(1) 68R 1/4W Resistor
(1) 180R 1/4W Resistor
(1) 0.33 uF Film Cap 0.1” Lead Spacing
(1) 0.1 uF Film Cap 0.1” Lead Spacing
(1) 1N400x Diode
(3) N.O. SPST pushbutton panel switch
(1) Molex 0026604030 3-Pin Power Header (DigiKey P/N WM4621-ND)
(1) Optional 2 .1 mm coaxial DC Jack (Schurter 4840-2211)
Also required: Standard 0.1-inch breakaway headers and sockets.
Digital re-creation of an analog VFO. See www.w9ac.com for details. B.O.M. below:
QTY DESCRIPTION
(1) ESP32 Board https://www.amazon.com/dp/B0811LGWY2?psc=1&ref=ppx_yo2ov_dt_b_product_details There are MANY ESP32 variations so stick to this one.
(1) 1 .8-inch TFT Display https://www.ebay.com/itm/224237573577
(1) Si5351 PLL Board
(1) Encoder w/ Switch (Bourns PEC11R-4020K-S0024)
(1) L4940V5 LDO 5.0V Linear Regulator
(2) 2K2 1/4W Resistors
(1) 68R 1/4W Resistor
(1) 180R 1/4W Resistor
(1) 0.33 uF Film Cap 0.1” Lead Spacing
(1) 0.1 uF Film Cap 0.1” Lead Spacing
(1) 1N400x Diode
(3) N.O. SPST pushbutton panel switch
(1) Molex 0026604030 3-Pin Power Header (DigiKey P/N WM4621-ND)
(1) Optional 2 .1 mm coaxial DC Jack (Schurter 4840-2211)
Also required: Standard 0.1-inch breakaway headers and sockets.
