Antennas

Antenna Performance Specialties APS-13
Antenna Performance Specialties APS-9B
Channel Master Stereo Probe 9
Winegard HD6065P
Antennacraft FM6
Antennacraft FM10
Antennacraft FM13
Finco FM-4G
Finco FM-5
Triax FM 5
Triax FM 8S
Körner 17.5
Körner 15.10
Narrowband low-backlobe Yagi
Narrowband maximum-gain Yagi
High-performance Yagi for 88–92 MHz
Small wideband Yagi
Quadix
Circularly polarized cubical quad
Circularly polarized indoor loop
Circularly polarized rabbit ears
Tilted dipole
Wideband vertical omni
Simple 75Ω coax balun
Antenna gain vs height
Antenna performance curves

Software

Composite stereo generator
Multitone generator
White noise generator
Distortion generator
THD calculator
RMS calculator
FM intermod calculator
RC rolloff calculator
Deemphasis calculator
Mismatch loss calculator
Series section calculator
Transmission line calculator
RDS PI code calculator
Noise figure calculator
Noise bandwidth calculator
RF-level units converter
Postdetection-filter optimizer
Interchannel cross-correlator
HD Radio blend simulator
Power measurement corrector
FM station identifier

Tuners

Sony XDR-F1HD
Sangean HDT-1
Sangean HDT-1X
Kenwood KT-880D
Technics ST-9030
Pioneer F-90

Circuits

Quadrature multipath monitor
Adding multipath outputs to a tuner
Simple IF amplifier
Simple RF preamp
Garage sale preamps
Eliminating front-end overload with RF AGC
Improving selectivity with IF AGC
Accomodating offcenter IF filters
LC IF filter
Deemphasis converter

Measurements

Updating IEEE 185-1975
IEEE 185-1975 bandpass filter
Bob & Ken's spectrum inversion trick
Measuring noise figure without a noise source
Using the Wavetek SAM for 88–108 MHz FM
Updating the Sound Technology 1000A
Swept front-end alignment
Alternative IF/detector alignment
Modulation-induced noise
Matching 50Ω to 75Ω

HD Radio

HD Radio self-noise
HD Radio self-noise levels
IF filters and HD Radio self-noise
Postdetection filter for HD Radio signals
Harmonic cancellers for HD Radio signals
HD Radio time & level alignment

Stereo

Mono vs stereo noise
Optimal & LSB stereo decoding
Changing hi-blend to flat blend

0.54–30 MHz & Beyond

Improving modulation acceptance
Updating the automatic noise limiter
Minimizing selective fading distortion
Channel 7–13 TV Yagi