Hermes-Lite 2.0
kholia·HF-PA-v10·Digital-PA-v3/digital-amp.kicad_pcb
About the Hermes-Lite 2.0 PCB
Hermes-Lite 2.0 is an open source PCB design by kholia, published on GitHub. It is a 2-layer board measuring 105 × 55 mm, with 33 components from 18 distinct parts.
Other key parts include the UCC27517DBVR. By type, the board carries 13 capacitors, 4 transistors, 4 connectors, 2 ICs, 2 resistors and 1 transformer.
From the project
HF-PA-v10 ;) Is this the end of the search for a 5W Digital PA? HF-PA-v10 is now a rugged 10W PA! We also do 100W+ now ;)
Main components on the Hermes-Lite 2.0
Hermes-Lite 2.0 bill of materials (BOM)
33 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | UCC27517DBVR | SOT-23-5_HandSoldering | U7, U8 |
| 2 | IRF510 | TO-263-3_TabPin2 | Q3, Q4 |
| 1 | AOD407 | TO-252-2 | Q5 |
| 1 | 2N3904 | SOT-23_Handsoldering | Q6 |
| 3 | Conn_Coaxial | SMA_Amphenol_901-144_Vertical | J1, J2, J4 |
| 1 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 4 | 0.1uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | B1, B2, B3, B4 |
| 1 | DC-005 (Barrel Jack) | XKB_DC-005-5A-2.0_Modded | Power1 |
| 1 | BN-61-202, 2+2T:6T | BN202V | T1 |
| 1 | 5.1V | D_MiniMELF_Handsoldering | D8 |
| 1 | 318.5nH | L_Toroid_Vertical_L21.6mm_W8.4mm_P8.38mm_Pulse_G | L1 |
| 4 | 1n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C4, C7, C12, C19 |
| 3 | 100n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C9, C20, C23 |
| 3 | 100u | CP_Radial_D5.0mm_P2.50mm | C10, C21, C24 |
| 2 | 100p | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C17, C18 |
| 1 | 0.1uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | c8 |
| 1 | 100k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R14 |
| 1 | 4.7k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R15 |
Hermes-Lite 2.0 design files
The KiCad project lives in the kholia/HF-PA-v10 repository on GitHub; these links point at the commit this page was built from.
Hermes-Lite 2.0: common questions
How big is the Hermes-Lite 2.0 PCB?
The Hermes-Lite 2.0 measures 105 × 55 mm, has 2 copper layers and is 0.57 mm thick.
How many components are on the Hermes-Lite 2.0?
33 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the Hermes-Lite 2.0 design files?
From the kholia/HF-PA-v10 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Hermes-Lite 2.0 design in my own project?
The repository has no license, so all rights stay with kholia. Use it as a reference, and ask the author before reusing the design.