ac filter

115 links - and 1 categories

Multi-Band End-Fed Antenna Design for Limited Space - PA3DWC
This document details the construction of a multi band end fed antenna suitable for situations ...

[ Hits: 76 | Votes: 0 | Rating: 0 ]

Coax Notch Traps - Attenuating adjacent bands - AC0C
Targeted Attenuation for Adjacent Bands Filtering is needed between the two rigs to prevent physical ...

[ Hits: 134 | Votes: 0 | Rating: 0 ]

World of Receivers and Transmitters - rx-tx.info
A searchable database of online websdr receivers lists OpenWebRX KiWi SDR and WebSDR from all ...

[ Hits: 307 | Votes: 3 | Rating: 4 ]

VA6AM Contesting Accessories - VA6AM
Custom built high and low power power band pass Filters low band triplexers triplexers and ...

[ Hits: 119 | Votes: 0 | Rating: 0 ]

Yaesu FT 857 Filters Repair - US7IGN
Replacing two ceramin filters of a Yaesu FT 857 by desoldering and soldering new ones ...

[ Hits: 98 | Votes: 0 | Rating: 0 ]

Arduino QRP Transceiver: DIY Success on HF Bands - M0XPD
This article introduces an Arduino based QRP CW Transceiver designed for lower HF bands The ...

[ Hits: 114 | Votes: 1 | Rating: 1 ]

A switched Capacitor Audio Filter - AA8C
Here is a rather nice audio filter for use with Ham Radio gear It features ...

[ Hits: 73 | Votes: 0 | Rating: 0 ]

Bandpass Filter Calculator - learningaboutelectronics
Passive Bandpass Filter online calculator and filter formulas Active Inverting Op Amp Bandpass Filters Active ...

[ Hits: 171 | Votes: 3 | Rating: 5.33 ]

ICOM IC-775 FIlter Installation - PA0Q
Inrad Roofing Filter installation instruction The IC 775 Roofing Filter Mod consists of a 6 ...

[ Hits: 62 | Votes: 0 | Rating: 0 ]
A compact 5 bands remote switchable BPF - ON7EQ
These band filters are based on 3 or 5 sections Butterworth band pass filters maintaining ...

[ Hits: 224 | Votes: 0 | Rating: 0 ]
Enhancing Frontend Performance with Optimized Band Pass Filters - PA3AKE
This article explores the nuanced design challenges of Band Pass Filters BPF in radio receivers ...

[ Hits: 82 | Votes: 0 | Rating: 0 ]
Double Tuned Receiver Band-pass Filter Design Center - VE7BPO ^new
This webpage caters to EMRFD owners offering insights into building popcorn receiver band pass filters ...

[ Hits: 23 | Votes: 0 | Rating: 0 ]

17 meter QRP Transmitter - KB9II
1 watt 17 meter cw transmitter that was originally done about 10 years ago as ...

[ Hits: 122 | Votes: 0 | Rating: 0 ]

Mains RF Filter - GM3SEK
If RF noise threatens to take your hobby away this could be probably a good ...

[ Hits: 125 | Votes: 0 | Rating: 0 ]
DIY EMC/RFI Mains Filter for a Clean Shack - M0PZT ^updated
Utilizing snap on ferrite cores and practical insights the author enhances their shack s cleanliness ...

[ Hits: 156 | Votes: 2 | Rating: 9.5 ]