TG Control V3
PA3AEF·HP8562A-Tracking-Generator·hardware/control-module/KiCad/TG_Control_V3.kicad_pcb
About the TG Control V3 PCB
TG Control V3 is an open source RP2040/RP2350 PCB design by PA3AEF, published on GitHub under the MIT license. It is a 2-layer board measuring 130 × 45 mm, with 141 components from 39 distinct parts.
Its main chip is the RaspberryPi_Pico, from the RP2040/RP2350 family. Other key parts include the LM7805_TO220 and MAR-6+. By type, the board carries 68 resistors, 24 connectors, 23 transistors, 19 capacitors, 3 diodes and 2 ICs.
From the project
Homebrew tracking generator for base-band, 6cm, 3cm and 12mm bands
Compact hardware overview for the Control Module: power sequencing, protection, MCU host interfaces, and the low‑noise 10 MHz reference buffering and 1:4 distribution. Detailed hardware-level descriptions for the 10 MHz reference and MCU are in separate documents (docs/10MHzreference.md, docs/mcu-hardware.md`). Firmware is covered elsewhere.
- Buffer and distribute an external 10 MHz reference to 4 isolated outputs - Provide MCU-host hardware: power, programming, debug, and physical control interfaces - Protect and condition reference and power inputs (ESD, TVS, reverse polarity) - Present…

Main components on the TG Control V3
TG Control V3 bill of materials (BOM)
141 components, 39 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM7805_TO220 | TO-220-3_Vertical | U1 |
| 1 | MAR-6+ | MSA_1 | U2 |
| 1 | RaspberryPi_Pico | RaspberryPi_Pico_Common_THT | A1 |
| 4 | ZXMP4A16G | SOT-223-3_TabPin2 | Q1, Q6, Q11, Q12 |
| 17 | MMBTA14 | SOT-23 | Q2, Q3, Q4, Q5, Q7, Q8, Q9, Q10 +9 |
| 1 | MMBT3904 | SOT-23 | Q21 |
| 1 | BC857 | SOT-23 | Q22 |
| 6 | CONN_01X02 Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J1, J5, J8, J10, J12, J13 |
| 1 | SCREW_TERMINAL | Screw terminal 3 pin | J2 |
| 6 | CONN_01X03 Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J3, J7, J14, J15, J18, J24 |
| 4 | CONN_02X05_ODD_EVEN Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J4, J6, J9, J11 |
| 1 | CONN_01X04 Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J16 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J17 |
| 5 | Conn_Coaxial | SMA_Amphenol_901-144_Vertical | J19, J20, J21, J22, J23 |
| 1 | 1N4001 | D_SMA | D6 |
| 1 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D7 |
| 1 | BAT54S | SOT-23 | D8 |
| 1 | 22NH 22nH | L_1206_3216Metric_Pad1.22x1.90mm_HandSolder | L1 |
| 14 | 100NF 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C3, C4, C5, C6, C7, C8, C9 +6 |
| 1 | 330NF 330nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
Show 19 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1PF 1pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10 |
| 1 | 10UF 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C12 |
| 1 | 1NF 1nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C13 |
| 1 | 47UF 47uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C14 |
| 22 | 10K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R5, R8, R9, R12, R15, R18, R21 +14 |
| 8 | ** | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R16, R17, R27, R28, R30, R31 |
| 4 | 3K3 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R55, R66, R67 |
| 12 | 100K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R10, R11, R19, R23, R24, R34, R35 +4 |
| 4 | 68K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R20, R36, R37 |
| 2 | 0R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13, R14 |
| 4 | 100R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R42, R45, R52, R53 |
| 1 | 22K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R50 |
| 1 | 1K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R51 |
| 1 | 10K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R54 |
| 5 | 39R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R56, R60, R61, R65, R68 |
| 1 | 8K2 8k2 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R57 |
| 1 | 47K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R58 |
| 1 | 33R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R59 |
| 1 | 49R9 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R62 |
TG Control V3 design files
The KiCad project lives in the PA3AEF/HP8562A-Tracking-Generator repository on GitHub; these links point at the commit this page was built from.
TG Control V3: common questions
What microcontroller does the TG Control V3 use?
The TG Control V3 is built around the RaspberryPi_Pico, from the RP2040/RP2350 family.
How big is the TG Control V3 PCB?
The TG Control V3 measures 130 × 45 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TG Control V3?
141 components, from 39 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the TG Control V3 design files?
From the PA3AEF/HP8562A-Tracking-Generator repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the TG Control V3 design in my own project?
Yes, under the terms of its MIT license, which PA3AEF chose for the repository.
Can I test firmware for the TG Control V3 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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