HF-PA-Combined
About the HF-PA-Combined PCB
HF-PA-Combined is an open source PCB design by kholia, published on GitHub under the Custom license license. It is a 2-layer board measuring 102 × 72 mm, with 36 components from 28 distinct parts.
Other key parts include the LM317_TO-220 and NCP718ASN500T1G. By type, the board carries 10 capacitors, 6 resistors, 4 transistors, 2 ICs, 2 jumpers and 2 diodes.
It belongs with the audio designs in this gallery.
From the project
RF "Lego" blocks. Quite-Linear HF broadband RF amplifier experiments for higher bands.
Main components on the HF-PA-Combined
HF-PA-Combined bill of materials (BOM)
36 components, 28 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM317_TO-220 | TO-220-3_Vertical | U1 |
| 1 | NCP718ASN500T1G uSDX_LPF_BAND_MODULE (100v caps) | uSDX_LPF_Band_Module | U2 |
| 1 | AFT09MS015NT1 BS170 | PinSocket_1x03_P2.54mm_Vertical | Q1 |
| 1 | 2N7002H-7 IRF510 | TO-220-3_Vertical | Q2 |
| 1 | IRF9540N | TO-220-3_Vertical | Q3 |
| 1 | 2N3904 | PinSocket_1x03_P2.54mm_Vertical | Q4 |
| 2 | SMA | SMA_Amphenol_901-144_Vertical | IN1, OUT1 |
| 2 | Jumper_2_Open | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2 |
| 2 | VDC | PinHeader_1x02_P2.54mm_Vertical | PA1, PA2 |
| 1 | PTT | PinHeader_1x02_P2.54mm_Vertical | PTT1 |
| 3 | 5k | Potentiometer_Runtron_RM-065_Vertical | RV1, RV2, RV3 |
| 1 | 1N4007 | D_DO-41_SOD81_P2.54mm_Vertical_KathodeUp | D1 |
| 1 | 75v 5W | D_DO-201_P5.08mm_Vertical_AnodeUp | D2 |
| 1 | CE201210-68NJ L_Ferrite_Coupled | FT50-43 Transformer | L1 |
| 1 | L_Ferrite_Coupled | FT50-43 Transformer | L2 |
| 3 | 08055C104KAT4A 100nF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C3, C14 |
| 2 | 100nF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2, C13 |
| 1 | 08055A102JAT2A 10uF 50v | CP_Radial_D5.0mm_P2.50mm | C4 |
| 1 | 08055C104KAT4A 10uF 50v | CP_Radial_D5.0mm_P2.50mm | C5 |
| 1 | 865080543009 100nF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C6 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 08055C104KAT4A 100nF 100v | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C7 |
| 1 | 08055C104KAT4A 22uF 25v | CP_Radial_D5.0mm_P2.50mm | C15 |
| 1 | ERJ-P08J470V 4.7k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1 |
| 1 | CR0805-FX-1002ELF 3.3k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2 |
| 1 | ERJ-P08J470V 10 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3 |
| 1 | ERJ-P08J271V 220 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R6 |
| 1 | CR1206-J/-000ELF 4.7k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R8 |
| 1 | 4.7k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R9 |
HF-PA-Combined design files
The KiCad project lives in the kholia/HF-PA-v6 repository on GitHub; these links point at the commit this page was built from.
HF-PA-Combined: common questions
How big is the HF-PA-Combined PCB?
The HF-PA-Combined measures 102 × 72 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the HF-PA-Combined?
36 components, from 28 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 HF-PA-Combined design files?
From the kholia/HF-PA-v6 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 HF-PA-Combined design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
More boards in HF-PA-v6
Power v2
82.4 × 49.7 mm24 parts2LCustom license11
Finals
61.8 × 42.9 mm19 parts2LCustom license11
Finals-RD15
76 × 60 mm18 parts2LCustom license11
Finals-Transistor
57.9 × 38.4 mm13 parts2LCustom license11
Driver
54.3 × 46 mm13 parts2LCustom license11
Band MODULE V1 00
45.4 × 14.8 mm12 parts2LCustom license11
Similar boards
OtterCastAudioV2
Ottercast
50 × 49.3 mm216 parts4LMIT665
FunBox
GuitarML
59.7 × 67.5 mm63 parts2LMIT278
Eurorack pmod
apfaudio
35 × 110 mm116 parts4LCERN-OHL-S-2.0239
XassetteAsterisk
SdtElectronics
56 × 56 mm137 parts2LCERN-OHL-W-2.0229
AddOnC
freeDSP
380 × 45 mm97 parts2LCC-BY-SA-4.0222
AddOnA
178 × 39 mm55 parts2LCC-BY-SA-4.0222