2 layers42.5 × 46.2 mm
Oscillator proto V1
Squantor/Metrology
General Metrology related repository, Schematics, PCB, Measurement results and more.
48 partsMIT
2 layers42.5 × 46.2 mm
Oscillator variant 2
Squantor/MetrologyGeneral Metrology related repository, Schematics, PCB, Measurement results and more.
- Size
- 42.5 × 46.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 61
- Pads
- 201
- Tracks, vias
- 269, 21
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 19 Mar 2015
- Updated
- 30 May 2024
Overview
Oscillator variant 2 is an open-source printed circuit board by Squantor, from the Squantor/Metrology repository on GitHub, published under the MIT licence. It is a 2-layer board of 42.5 × 46.2 mm with 56 parts on 61 nets, routed with 269 tracks and 21 vias.
It is built around the NE5534D, TL081 and TL082, with the TL431, BAV99 and BC817 among its other parts. Its parts include 22 resistors, 14 capacitors, 5 ICs, 3 connectors and 2 diodes.
Main components
6
NE5534D
SOIC-8-20V~-3V、3V~20V 0℃~+70℃ 1 1.5uA 100dB 10MHz 13V/us 3.5nV/√Hz@1kHz 300nA 38mA 4mA 4mV Built-in compensation SOIC-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
TL081
SOP-8-18V~18V -20℃~+85℃ 1 1.8mA 100pA 200nA 20V/us 3MHz 3mV 85dB Built-in compensation SOP-8 Operational Amplifier ROHSGcoreOperational AmplifierTL082
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 13V/us 2 2.5nA 36V 3MHz 3mV 85dB Short-Circuit Protection SOP-8 FET Input Amplifiers ROHSGcoreOperational Amplifier
TL431
SOT-23-20℃~+85℃ 150mA 1mA 2.5V~36V 50ppm/℃ Adjustable Parallel Temperature compensation control ±1% SOT-23 Voltage Reference ROHSGuangdong HottechVoltage ReferenceBAV99
SOT-231 Pair Series Connection 1.25V@150mA 100V 215mA 250mW 4A 4ns 500nA@80V SOT-23 Switching Diodes ROHSNexperiaSwitching DiodesBC817
SOT-231 NPN 100nA 150MHz 300mW 40 45V 500mA 5V 700mV NPN SOT-23 Bipolar (BJT) ROHSShikuesBipolar (BJT)
README
electronics/dslogic_probe_8/README.md8 channel dslogic probe tip
8 channel logic analyser probe tip designed for the DSlogic logic analyzer
TODO's
Still some things need to be done:
- PCB layout
- Review with one night in between
- Produce at OSHPARK
- Assemble
- Test & characterise
- update Readme.md with pictures and BOM
BOM
- 82 pin 1.27mm pinheader and 82 pin female 1.27mm pinheader
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10u | SquantorRcl:C_0805+0603 | C1, C2, C3, C8, C11, C13 |
| 3 | 10K | SquantorRcl:R_0603_hand | R14, R15, R16 |
| 3 | 8K2 | SquantorRcl:R_0603_hand | R17, R19, R20 |
| 3 | A | SquantorRcl:C-050-050X100-0805-3516-film | C4, C5, C6 |
| 2 | 1K2 | SquantorRcl:R_0603_hand | R1, R2 |
| 2 | 22p | SquantorRcl:C_0805+0603 | C12, C14 |
| 2 | 3K6 | SquantorRcl:R_0805+0603 | R11, R12 |
| 2 | BAV99 | SquantorIC:SOT23-3 | D1, D2 |
| 2 | NE5534 | Package_DIP:DIP-8_W7.62mm_Socket | U2, U5 |
| 1 | 100n | SquantorRcl:C-050-030X100-film | C10 |
| 1 | 18 | SquantorRcl:R_0805+0603 | R9 |
| 1 | 1M | SquantorRcl:R_0805+0603 | R10 |
| 1 | 200 | Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical | RV1 |
| 1 | 20220530 | SquantorLabels:Label_Generic | N1 |
| 1 | 27K | SquantorRcl:R_0603_hand | R18 |
| 1 | 2K2 | SquantorRcl:R_0603_hand | R21 |
| 1 | 47p | SquantorRcl:C_0805+0603 | C7 |
| 1 | 47u | SquantorRcl:C-050-030X100-film | C9 |
| 1 | 50K | SquantorRcl:POT_ALPS_RK09K111 | RV2 |
| 1 | 510 | SquantorRcl:R_0603_hand | R13 |
| 1 | ADJ | SquantorRcl:R_0805+0603 | R22 |
| 1 | B | SquantorRcl:R_0805+0603 | R6 |
| 1 | B/2 | SquantorRcl:R_0805+0603 | R3 |
| 1 | BC817 | SquantorIC:SOT23-3 | Q1 |
| 1 | C | SquantorRcl:R_0805+0603 | R8 |
| 1 | C/2 | SquantorRcl:R_0805+0603 | R4 |
| 1 | Coax | SquantorConnectors:Conn_BNC_RightAngle_TH | J3 |
| 1 | D | SquantorRcl:R_0805+0603 | R7 |
| 1 | D/2 | SquantorRcl:R_0805+0603 | R5 |
| 1 | Freq | SquantorLabels:Label_Note_medium | N3 |
| 1 | NSL32R3 | SquantorOpto:NSL32SR3 | VAC1 |
| 1 | OHWLOGO | Symbol:OSHW-Symbol_6.7x6mm_SilkScreen | N2 |
| 1 | TL081 | Package_DIP:DIP-8_W7.62mm_Socket | U1 |
| 1 | TL082 | Package_DIP:DIP-8_W7.62mm_Socket | U3 |
| 1 | TL431 | SquantorIC:SOT23-3 | U4 |
| 1 | module_2x15_left_input | SquantorConnectorsNamed:module_2x15_left | J1 |
| 1 | module_2x15_right_input | SquantorConnectorsNamed:module_2x15_right | J2 |
| 1 | out_gain | SquantorTestPoints:TestPoint_hole_H04R07 | TP1 |
| 1 | out_wien | SquantorTestPoints:TestPoint_hole_H04R07 | TP2 |
| 1 | output | SquantorTestPoints:TestPoint_hole_H04R07 | TP3 |
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Questions
How big is the Oscillator variant 2 PCB?
It measures 42.5 × 46.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Oscillator variant 2 use?
56 parts, built around the NE5534D, TL081, TL082 and TL431. 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 Oscillator variant 2 KiCad files?
From the Squantor/Metrology repository on GitHub, at the commit this page was made from: the board is electronics/oscillator_variant_2/oscillator_variant_2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Oscillator variant 2 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).