LNA 1MHz
About the LNA 1MHz PCB
LNA 1MHz is an open source PCB design by H4w4k4, published on GitHub. It is a 4-layer board measuring 102 × 82.6 mm, with 135 components from 42 distinct parts.
Other key parts include the LT6232CGN, LT1365CS and LT1818CS8. By type, the board carries 60 capacitors, 53 resistors, 6 ICs, 5 modules and 3 connectors.
It belongs with the audio designs in this gallery.
From the project
10Hz to 1MHz Low Noise Amplifier based on Linear Technology AN-159.
Following changes have been done: + Design re-routed in KiCad 7.0 to fit nicely into a Hammond 1590BBS housing + Selectable +60dB or +80dB gain + Full BW output removed
Total BOM cost is ~160USD + PCB + shipping.
Main components on the LNA 1MHz
LNA 1MHz bill of materials (BOM)
135 components, 42 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LT6232CGN | SSOP-16_3.9x4.9mm_P0.635mm | U1 |
| 1 | LT1365CS | SO-16_3.9x9.9mm_P1.27mm | U2 |
| 4 | LT1818CS8 | SO-8_3.9x4.9mm_P1.27mm | U3, U5, U7, U9 |
| 1 | HAMMOND_1590BBS Hammond_1590BBS | Hammond_1590BBS | M1 |
| 2 | BATTERY_3X_AA Battery_3x_AA | Battery_Holder_3x_AA_no_pin | M2, M3 |
| 1 | Switch DPDT | Multicomp, 1MD1T1B5M1QE | M4 |
| 1 | Switch SPDT | Multicomp, 1MS1T1B5M1QE | M5 |
| 3 | Conn_Coaxial | BNC_TycoElect_5227 | J1, J2, J3 |
| 6 | ~ | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | H1, H2, H3, H4, H5, H6 |
| 1 | 1k | Potentiometer_Bourns_3296X_Horizontal | RV1 |
| 1 | 200 | Potentiometer_Bourns_3296X_Horizontal | RV2 |
| 10 | 68uF 20V | CP_EIA-7343-30_AVX-N_Pad2.25x2.55mm_HandSolder | C1, C2, C3, C6, C7, C8, C9, C10 +2 |
| 2 | 4u7F 50V | C_Rect_L7.2mm_W7.2mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C4, C5 |
| 1 | 150PF 150pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C12 |
| 1 | 120PF 120pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C14 |
| 14 | 100uF 6V3 | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C15, C16, C17, C19, C20, C21, C22, C24 +6 |
| 5 | 22PF 22pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C18, C39, C44, C49, C54 |
| 1 | 100PF 100pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C23 |
| 1 | 1500PF 1500pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C26 |
| 1 | 1200PF 1200pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C27 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 220PF 220pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C30 |
| 1 | 1000PF 1000pF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C31 |
| 4 | 1uF | C_Rect_L7.2mm_W5.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C35, C36, C37, C38 |
| 4 | 330uF 6V3 | CP_EIA-7343-30_AVX-N_Pad2.25x2.55mm_HandSolder | C40, C45, C50, C55 |
| 4 | 300PF 300pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C41, C46, C51, C56 |
| 8 | 1UF 1uF | C_Rect_L7.2mm_W5.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C42, C43, C47, C48, C52, C53, C57, C58 |
| 2 | 180uF 25V | CP_Radial_D8.0mm_P3.50mm | C59, C60 |
| 1 | 1K5 1k5 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1 |
| 1 | 511 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2 |
| 3 | 100 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R3, R9, R10 |
| 1 | 2k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R4 |
| 3 | 100 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R5, R6, R7 |
| 1 | 5K76 5k76 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R8 |
| 1 | 499 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R11 |
| 18 | 4K02 4k02 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R12, R17, R22, R23, R27, R28, R30, R31 +10 |
| 2 | 2K15 2k15 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R13, R18 |
| 2 | 1K69 1k69 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R14, R19 |
| 2 | 1K24 1k24 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R15, R20 |
| 2 | 49R9 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R16, R21 |
| 8 | 499 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R24, R25, R32, R33, R40, R41, R48, R49 |
| 4 | 249 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R26, R34, R42, R50 |
| 4 | 10 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R29, R37, R45, R53 |
LNA 1MHz design files
The KiCad project lives in the H4w4k4/LNA_1MHz repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCad/LNA_1MHz.kicad_pcb
- SchematicKiCad/LNA_1MHz.kicad_sch
- BOMKiCad/BOM.csv
LNA 1MHz: common questions
How big is the LNA 1MHz PCB?
The LNA 1MHz measures 102 × 82.6 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the LNA 1MHz?
135 components, from 42 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 LNA 1MHz design files?
From the H4w4k4/LNA_1MHz 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 LNA 1MHz design in my own project?
The repository has no license, so all rights stay with H4w4k4. Use it as a reference, and ask the author before reusing the design.
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