# RF Board Adapter Draft ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** efidvir - **Created:** 7/5/2026 - **Last Updated:** 7/7/2026 - **Visibility:** Public ## Key Components ### J1 — [FH34SRJ-26S-0.5SH(50)](https://www.flux.ai/lcsc/fh34srj-26s-0p5sh50~fesu.md) - Manufacturer Part Number: FH34SRJ-26S-0.5SH(50) - Connector Positions: 26 - Part Type: FFC/FPC Connectors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010202_HRS-Hirose-FH34SRJ-26S-0-5SH-50_C596726.pdf - LCSC Part Number: C596726 - Product Info Url: https://lcsc.com/product-detail/FFC-FPC-Connectors_HRS-Hirose-HRS-FH34SRJ-26S-0-5SH-50_C596726.html - Role Details: PCB220C 26-pin FPC placeholder; exact J4/J5/J12/J13 assignment and pinout unverified - Manufacturer Name: HRS(广濑) - JLCPCB Part Class: Extended Part - Package or Case Code: FPC-SMD_FH34SRJ-26S-0.5SH-50 - Role: Adapter Connector **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 25 [pin 25] - 26 [pin 26] - 27 [pin 27] - 28 [pin 28] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J2 — SK2X40-ST-08-B - Package or Case Code: PCIE-SMD - Role Details: Final SK2X40-ST-08-B 80-pin B2B RF-board interface; land pattern based on extracted PC-0705-1 CAD/component project, verify before release - Role: Signal Generation - Mount: Surface Mount - Connector Positions: 80 - Manufacturer Name: Unknown / legacy PC-0705-1 CAD data - Connector Type: Board to Board Connectors - Manufacturer Part Number: SK2X40-ST-08-B **Pins:** - 3V3_59 [pin 59] - 3V3_61 [pin 61] - 3V3_62 [pin 62] - 3V3_64 [pin 64] - 3V3_66 [pin 66] - 3V3_68 [pin 68] - 3V3_69 [pin 69] - 3V3_70 [pin 70] - 3V3_71 [pin 71] - 3V3_72 [pin 72] - 3V3_73 [pin 73] - 3V3_75 [pin 75] - 3V3_77 [pin 77] - 3V3_79 [pin 79] - GND_15 [pin 15] - GND_18 [pin 18] - GND_2 [pin 2] - GND_20 [pin 20] - GND_21 [pin 21] - GND_24 [pin 24] - GND_26 [pin 26] - GND_27 [pin 27] - GND_3 [pin 3] - GND_30 [pin 30] - GND_32 [pin 32] - GND_33 [pin 33] - GND_36 [pin 36] - GND_38 [pin 38] - GND_39 [pin 39] - GND_42 [pin 42] - GND_44 [pin 44] - GND_45 [pin 45] - GND_48 [pin 48] - GND_49 [pin 49] - GND_50 [pin 50] - GND_51 [pin 51] - GND_53 [pin 53] - GND_56 [pin 56] - GND_58 [pin 58] - GND_60 [pin 60] - GND_63 [pin 63] - GND_65 [pin 65] - GND_67 [pin 67] - GND_74 [pin 74] - GND_76 [pin 76] - GND_78 [pin 78] - GND_8 [pin 8] - GND_80 [pin 80] - I2C_SCL_B2B [pin 4] - I2C_SDA_B2B [pin 6] - LNA_EN_CH0 [pin 14] - LNA_EN_CH2 [pin 7] - LNA_EN_CH3 [pin 1] - PCI_WAKE_N_R [pin 16] - PCIE_CLKREQ_N [pin 5] - PCIE_REFCLK_N [pin 29] - PCIE_REFCLK_P [pin 31] - PCIE_RESETN_R [pin 40] - PCIE_RX0_N [pin 35] - PCIE_RX0_P [pin 37] - PCIE_RX1_N [pin 17] - PCIE_RX1_P [pin 19] - PCIE_TX0_N [pin 41] - PCIE_TX0_P [pin 43] - PCIE_TX1_N [pin 23] - PCIE_TX1_P [pin 25] - PCIE_W_DISABLE_R [pin 34] - REFCLK_48M_B2B_R [pin 47] - SOC_RST_R [pin 22] - SPARE1 [pin 9] - SPARE2 [pin 28] - SPARE3 [pin 46] - WK_REFCLK_0_N [pin 55] - WK_REFCLK_0_P [pin 57] - WK_REFCLK_1_N [pin 13] - WK_REFCLK_1_P [pin 11] - WSI_CLK_IN [pin 10] - WSI_CLK_OUT [pin 54] - WSI_DATA_IN [pin 12] - WSI_DATA_OUT [pin 52] ### J3 — [430450400](https://www.flux.ai/lcsc/430450400~ksp8.md) - Connector Rows: 2 - Manufacturer Name: MOLEX - Package or Case Code: CONN-TH_0430450400 - Current Rating: 5A - Operating Temperature: -40°C ~ 105°C - Connector Gender: Male - Manufacturer Part Number: 430450400 - Connector Positions: 4 - Role Details: Dedicated 3V3 high-current input; use two contacts for 3V3 and two for GND - Connector Pitch: 3mm - Datasheet URL: https://www.lcsc.com/datasheet/C779799.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VeUFZQT1lXUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Symbol Style: parametric-v1 - LCSC Part Number: C779799 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Power Conversion - Part Type: Connector - Connector Type: Power Connectors - JLCPCB Part Class: Extended Part - Voltage Rating: 600V **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### Y1 — [HSO321S 48MHZ 3.3V -40~+85℃](https://www.flux.ai/lcsc/hso321s-48mhz-3p3v-40plus85~cbwd.md) - Product Info Url: https://lcsc.com/product-detail/SMD-Oscillators-XO_Harmony-Elec-HSO321S-48MHZ-3-3V-40-85_C160452.html - JLCPCB Part Class: Extended Part - Package or Case Code: OSC-SMD_4P-L3.2-W2.5-BL - Part Type: Oscillators - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810171121_HELE-Harmony-Elec-HSO321S-48MHZ-3-3V--40--85-_C160452.pdf - Manufacturer Part Number: HSO321S 48MHZ 3.3V -40~+85℃ - LCSC Part Number: C160452 - Role Details: 48MHz_REF source for PC-0706-1; verify ppm/jitter against QCA6438 requirement - Manufacturer Name: HELE(台湾加高) - Role: Signal Generation - Frequency: 48MHz **Pins:** - ~{OE} [pin 1] - GND [pin 2] - OUT [pin 3] - VDD [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/efidvir/rf-board-adapter-draft~7j](https://www.flux.ai/efidvir/rf-board-adapter-draft~7j).* --- *Generated from [https://www.flux.ai/efidvir/rf-board-adapter-draft~7j](https://www.flux.ai/efidvir/rf-board-adapter-draft~7j)*