low pass filter

56 links

Semi-automatic antenna tuner project - DK7IH
Thsi article describes a microcontroller driven semi automatic antenna tuner capable of handling power levels ...

[ Hits: 291 | Votes: 0 | Rating: 0 ]

R3KBO EB104.ru Amateur Radio Products - R3KBO
R3KBO is an amateur radio club producing and developing amateur radio kits and assembled products ...

[ Hits: 513 | Votes: 1 | Rating: 10 ]

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 ]

Curing Alternator Whine - KB1MVX
How to create a low pass filter able to reduce or even remove the noise ...

[ Hits: 517 | Votes: 2 | Rating: 9 ]
A low-pass filter to remove alternator whine - Nick Touran
How to build a low-pass filter to remove alternator whine from your car

[ Hits: 398 | Votes: 1 | Rating: 10 ]

FunCube Dongle HF Upconverter: Expanding Reception Range - M1GEO
This article describes an HF upconverter for the FunCube Dongle Pro Designed for radio amateurs ...

[ Hits: 34 | Votes: 1 | Rating: 8 ]

mini Ring-Core-Calculator - Calculate windings on ferrite cores - DG0KW
The program can be used to calculate inductors coils and their number of turns on ...

[ Hits: 400 | Votes: 1 | Rating: 1 ]

A600 Power Amplifier Project - PA0NHC
This is a power amplifier project for a RF 600W 1 8 MHz to 70 ...

[ Hits: 100 | Votes: 0 | Rating: 0 ]

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 ]
JRC NVA-88 Modification - JRC
Adding 2 RCA inputs 1 high impedance filtered audio output RCA 3 3 HIGH PASS ...

[ Hits: 55 | 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 ]

Lowpass filter for 30m - LB0MG
30m lowpass filter for the Softrock Ensemble RXTX tranceiver.

[ Hits: 352 | 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 ]

Transverter for 50 70 28 MHz - YO4HFU
This multiband transverter project features power output at 13 8V 50MHz 15W 70MHz 10W second ...

[ Hits: 153 | Votes: 1 | Rating: 10 ]