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Spectrum Analyzer Resolution Filter

dmsmccann·Spectrum-Analyzer·resolution-filters/resolution-filters/resolution-filters.kicad_pcb

Spectrum Analyzer Resolution Filter PCB layout, top view — open source board by dmsmccann
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About the Spectrum Analyzer Resolution Filter PCB

Spectrum Analyzer Resolution Filter is an open source PCB design by dmsmccann, published on GitHub. It is a 2-layer board measuring 91.7 × 48.8 mm, with 51 components from 23 distinct parts.

By type, the board carries 23 capacitors, 11 resistors, 4 crystals, 4 inductors, 3 connectors and 2 relays.

It belongs with the test & measurement and rf & radio designs in this gallery.

From the project

Based on design by W7ZOI in 1998 QST

This repository contains a complete KiCad implementation of the famous W7ZOI Spectrum Analyzer design, originally published in QST magazine. The W7ZOI spectrum analyzer is a well-regarded amateur radio test instrument design that provides a cost-effective solution for RF spectrum analysis.

The W7ZOI Spectrum Analyzer is a superheterodyne spectrum analyzer designed for amateur radio applications. It provides frequency analysis capabilities across the HF and VHF bands, making it an invaluable tool for antenna analysis, filter characterization, and general RF measurements.

Spectrum Analyzer Resolution Filter bill of materials (BOM)

51 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
10.7MHz
Y501, Y502, Y503, Y504
2
Conn_Coaxial
J501, J502
1
Terminal Block
J503
2
G5V-1
K501, K502
2
Transformer_1P_1S
T501, T502
2
1N4148
D501, D502
4
1.15u
L501, L502, L503, L504
2
56p
C501, C514
2
120p
C502, C515
4
12p-60p
C503, C506, C509, C512
2
100p
C504, C513
2
5.6p
C505, C511
2
150p
C507, C510
1
3.3p
C508
2
.1u
C516, C517
6
1.8p-10p
C518, C519, C520, C521, C522, C523
1
36
R501
2
150
R502, R503
2
270
R504, R505
2
10M
R506, R508
Show 3 more
QtyPartRefs
1
0
R507
2
9.1k
R509, R511
1
2.2k
R510

Spectrum Analyzer Resolution Filter design files

The KiCad project lives in the dmsmccann/Spectrum-Analyzer repository on GitHub; these links point at the commit this page was built from.

Spectrum Analyzer Resolution Filter: common questions

How big is the Spectrum Analyzer Resolution Filter PCB?

The Spectrum Analyzer Resolution Filter measures 91.7 × 48.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Spectrum Analyzer Resolution Filter?

51 components, from 23 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 Spectrum Analyzer Resolution Filter design files?

From the dmsmccann/Spectrum-Analyzer 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 Spectrum Analyzer Resolution Filter design in my own project?

The repository has no license, so all rights stay with dmsmccann. Use it as a reference, and ask the author before reusing the design.

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