2 layers280 × 205 mm
4 layers85 × 100 mm
Narwal v1
rice-eclipse/rf-communications2This is the work completed by Rice Eclipse's RF Communications team.
- Size
- 85 × 100 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 47
- Nets
- 65
- Pads
- 216
- Tracks, vias
- 250, 321
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 6 Sep 2022
- Updated
- 22 Jun 2023
Overview
Narwal v1 is an open-source printed circuit board by rice-eclipse, from the rice-eclipse/rf-communications repository on GitHub. It is a 4-layer board of 85 × 100 mm with 47 parts on 65 nets, routed with 250 tracks and 321 vias.
It is built around the HSWA4-63DR+, HMC452ST89 and PGA-103+, with the DS3231MZ+, RFM96W-433S2 and 500SSP1S1M2QEA among its other parts. Its parts include 20 capacitors, 6 ICs, 6 inductors, 4 resistors and 3 connectors.
Main components
8
HSWA4-63DR+
QFN-24(4x4)RF SwitchesMini-Circuits
HMC452ST89
SOT-89400MHz~2.2GHz 510mA 5V 6.5dB 9dB SOT-89 RF Power Amplifiers ROHSAnalog DevicesRF Amplifiers
PGA-103+
SOT-89-41.5dB 18dB 23.2dBm 3V、5V 50MHz~4GHz 97mA Linearization design SOT-89-4 RF Amplifiers ROHSMini-CircuitsRF Amplifiers
DS3231MZ+
SOIC-8-40℃~+85℃ 2.3V~5.5V I2C Temperature compensation、Backup power management and battery charging、Alarm function、Periodic interrupt output SOIC-8 Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time Clocks
RFM96W-433S2
LCC-16_16X16mmLCC-16_16X16mm New Arrivals ROHSHOPE MICROELECTRONICSUncategorised500SSP1S1M2QEA
插件-30℃~+85℃ 28V Rectangular Columnar SPDT Through Hole 插件 Slide Switches ROHSE-SwitchSlide Switches
LQH32NH4R7J23L
1210210mΩ 4.7uH 420mA ±5% 1210 Power Inductors ROHSMurataPower Inductors
S8411-45R
SMD-55℃~+105℃ SMD Button And Strip Battery Connector ROHSHarwinButton And Strip Battery Connector
README
README.mdRF Communications
This is the work completed by Rice Eclipse's RF Communications team.
RF Communications aims to build a long-range wireless communications system to interface with Real-Time-Rocket (RTR), Eclipse's custom flight instruments package, and receive telemetry data from RTR during flight.
The work completed by Eclipse's Flight Instruments team in developing RTR can be found here.
NARWAL
NARWAL, or Long-range Amplified Wireless Radio for Aerial Navigation, is Eclipse's custom ground station PCB with radio communications capabilities.
NARWAL is designed to communicate with RTR from a range of at least 30,000 feet. While primarily intended to receive data, NARWAL is designed to be capable of both transmission and reception, and to amplify both transmitted and received signals.
NARWAL v1 was designed during the Fall 2022 semester, and will be assembled during the Spring 2023 semester. Eclipse plans to deploy NARWAL alongside [Unnamed Antenna] and RTR during the launch of Eclipse's Icarus & Daedalus rocket at the Spaceport America Cup in June 2023.
[Unnamed Antenna]
During the Spring 2023 semester, RF Communications will design and construct a custom antenna to be used with NARWAL.
Parts
47| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.5mm_Pad | H1, H2, H3, H4 |
| 3 | 100n | Capacitor_SMD:C_1206_3216Metric | C2, C3, C4 |
| 3 | 100p | Capacitor_SMD:C_1206_3216Metric | C6, C12, C19 |
| 3 | 1u | Capacitor_SMD:C_1206_3216Metric | C1, C13, C20 |
| 2 | 10n | Capacitor_SMD:C_1206_3216Metric | C16, C17 |
| 2 | 6.8p | Capacitor_SMD:C_1206_3216Metric | C10, C11 |
| 2 | HSWA4-63DR+ | Eclipse_RF_Footprints:SWITCH-HSWA4-63DR+ | U3, U5 |
| 2 | JST-SH | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J1, J2 |
| 1 | 0R | Resistor_SMD:R_1206_3216Metric | R1 |
| 1 | 10u | Capacitor_SMD:C_1206_3216Metric | C14 |
| 1 | 12p | Capacitor_SMD:C_1206_3216Metric | C7 |
| 1 | 150R | Resistor_SMD:R_1206_3216Metric | R4 |
| 1 | 15p | Capacitor_SMD:C_1206_3216Metric | C9 |
| 1 | 1K | Resistor_SMD:R_1206_3216Metric | R3 |
| 1 | 2.2u | Capacitor_SMD:C_1206_3216Metric | C5 |
| 1 | 330n | Capacitor_SMD:C_1206_3216Metric | C15 |
| 1 | 330p | Capacitor_SMD:C_1206_3216Metric | C18 |
| 1 | 39p | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 4.3n | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L2 |
| 1 | 40n | Inductor_SMD:L_1008_2520Metric | L4 |
| 1 | 47n | Inductor_SMD:L_1008_2520Metric | L1 |
| 1 | 5.1R | Resistor_SMD:R_1206_3216Metric | R2 |
| 1 | 5.1n | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L3 |
| 1 | 500SSP1S1M2QEA | Eclipse_RF_Footprints:SWITCH-500SSP1S1M2QEA | S1 |
| 1 | 620n | Inductor_SMD:L_1008_2520Metric | L6 |
| 1 | DS3231M | Eclipse_RF_Footprints:RTC-DS3231M-TRL | U2 |
| 1 | HMC452ST89 | Eclipse_RF_Footprints:PAMP-HMC453ST89ETR | U4 |
| 1 | LQH32NH4R7J23L | Eclipse_RF_Footprints:CHOKE-LQH32NH4R7J23L | L5 |
| 1 | PGA-103+ | Eclipse_RF_Footprints:LNA-PGA-103+ | U6 |
| 1 | PWR | LED_THT:LED_D5.0mm | D1 |
| 1 | RASPBERRY-PI | Eclipse_RF_Footprints:RPI-4 | A1 |
| 1 | RFM96W-433 | Eclipse_RF_Footprints:TRX-RFM98W-433 | U1 |
| 1 | S8411-45R | Eclipse_RF_Footprints:BATT-S8411-45R | BT1 |
| 1 | SMA-LPRS | Eclipse_RF_Footprints:SMA-LPRS-CONNECTOR | J3 |
Questions
How big is the Narwal v1 PCB?
It measures 85 × 100 mm and has 4 copper layers, 1.61 mm thick.
What parts does the Narwal v1 use?
47 parts, built around the HSWA4-63DR+, HMC452ST89, PGA-103+ and DS3231MZ+. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Narwal v1 KiCad files?
From the rice-eclipse/rf-communications repository on GitHub, at the commit this page was made from: the board is narwal/Narwal_v1/Narwal_v1.kicad_pcb and its schematic narwal/Narwal_v1/Narwal_v1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Narwal v1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask rice-eclipse before reusing the design.
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