Receivers

Homebrew radio receiver - Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.

40 meter CW/SSB Receiver - The K9GDT 40m receiver

A 80/40m Direct Conversion HF Receiver with DDS VFO - Juha (OH2NLT) and Matti (OH7SV) have designed JUMA-RX1, an award winning 80/40m direct conversion HF receiver with highly accurate direct digital synthesis VFO. The receiver is very compact, because it constructed using surface mount components. No coils need to be wound to construct this receiver!

DX-302 Communications Receiver - features, Operation and Specifications about Realistic DX 302

Electroluminescent Radio Receiver - The Electroluminescent Receiver Kitk available for ham radio and shortwave listening

OH2NLT Experimental Digital HF Receiver - SDR project based on a TI AFREDI8201 chipset with both ADC and DDC functions. This SDR needs no external PC and is a RX only.

General Coverage Receiver - This is a compact three transistor regenerative general coverage receiver with fixed feedback

PA2OHH Home made receiver - My first homemade SSB and CW receiver 10 kHz to 30 MHz

40m CW Receiver  ^new - A 40m CW receiver for use with the companion 40m CW QRP transmitter by M0DGQ

80 metre direct conversion receiver  ^new - A project with schematic to build a receiver for 80 meters band by VK1PK

Homebrew radio receiver  ^pop - Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.

160m AM Receiver - Millennium project 160 meters AM receiver by George Fare, G3OGQ

30 m Band Direct Conversion Receiver - The direct conversion receiver described consists of only a bandpass filter, mixer IC, VFO and audio filter. With only 22 parts, this simple circuit should take a few hours at the weekend to construct.

30 Meters receiver - A simple 30 meters receiver for low power QRSS Beacons and PSK31

40 m Band Direct Conversion Receiver - Practical and usable direct conversion receiver for the 40 m CW band

40 meter CW/SSB Receiver - The K9GDT 40m receiver

80m Passive Heterodyne Receiver - Using a full-size antenna and a reasonably sensitive headphone, this simple switching mixer will produce an amazing abundance of signals on 80m.

A 80/40m Direct Conversion HF Receiver with DDS VFO - Juha (OH2NLT) and Matti (OH7SV) have designed JUMA-RX1, an award winning 80/40m direct conversion HF receiver with highly accurate direct digital synthesis VFO. The receiver is very compact, because it constructed using surface mount components. No coils need to be wound to construct this receiver!

A PC as VLF receiver - Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF

A Simple Radio Receiver - Development of a simple modular radio receiver

A simple receiver - A very simple receiver project by PA2OHH

A Simple Receiver - the DC40 - A beginner's direct conversion receiver

A Simple Superhet for 40M CW - An home made receiver for 7 MHz CW

Airband receiver - Described here is an airband receiver with good performance, double conversion AM superhet which gives good selectivity and sensitivity and covers 110MHz to 136MHz

Bartling RX-40 Receiver - Circuit Diagram and Construction of the Bartling RX-40 Joachim Münch DF4ZS

BB Tuner construction - Building a balanced-balanced tuner by KK5DR

Direct conversion receiver experiments - M1HOG Direct Conversion Experiments

DRM Demo Receiver - Christoph Petermann DF9CY DRM demonstration receiver project including Circuit Diagram and component list

DX-302 Communications Receiver - features, Operation and Specifications about Realistic DX 302

Electroluminescent Radio Receiver - The Electroluminescent Receiver Kitk available for ham radio and shortwave listening

Frequency calibration procedure - Method of master oscillator calibration on most solid state rigs that are out there today by KK5DR

General Coverage Receiver - This is a compact three transistor regenerative general coverage receiver with fixed feedback

Hear Amateurs on your FM Radio - The idea makes use of a very simple direct conversion receiver on the band of interest.

HF Receiver by F6CRP - Recepteur decametrique 3 - 30 MHz Detection classique et SDR

Homebrew Ham Bands Receiver - This home-brew 14 tube HF ham bands receiver was built by an unknown amateur radio (ham) operator

How to Measure Receiver Sensitivity - Testing an Elecraft K2 sensivity using a signal generator, headphones and an AC Voltmeter

IN3 DC-RX - One-Cubic-Inch Direct-Conversion Receiver

NB6M 10 Homebrew Receiver and Keying - Schematic of a homebrew receiver and keying

OH2NLT Experimental Digital HF Receiver - SDR project based on a TI AFREDI8201 chipset with both ADC and DDC functions. This SDR needs no external PC and is a RX only.

PA2OHH Home made receiver - My first homemade SSB and CW receiver 10 kHz to 30 MHz

Radio receiver dynamic range - The basics of radio receiver dynamic range performance used for specifying the performance of radio receivers used in radio communications systems.

Realistic DX-100L mod - Modifications and improveents for the realistic DX-100L HF receiver by ON6MU

Receiver block diagram - This is a block diagram of a superhetrodyne receiver.

Receiver Dynamic Range  ^updated - Receiver dynamic range is the ability of a receiver to receive a weak signal without loss of readability while a strong signal is present.

Receivers sorted by IM3 - Sorted by Intermodulation. Best receiver first. This is a measure of how badly a close-spaced signal will trash your receiving with spurious signals or splatter sounds,

TenTec RX320D Receiver - TenTec Receiver RX 320 D Review by DF9CY

The AGC-80/40 - A Regenerative Receiver with AGC for 80 and 40 Meters by Rick Andersen, KE3IJ

The Electroluminescent Receiver Kit - A led electroluminescent radio receiver

VXO 80 metre receiver - 80 metre ceramix VXO with schematic and assembly instructions

WB9JPS Direct-Conversion Receiver - Direct-Conversion Receiver project

What Does Your S-Meter Reading Mean - Two receivers compared, Drake R8A and Palstar R30