Capacitance Meter
Field Strength Meter LM324
HF Q-meter VK5JST
RF Power Calibrator
VHF Wattmeter
LED RF Power Meter - N9ZIA
Return Loss Bridge
Return Loss Bridge with AD8307
HF SWR Bridge
Grid Dip Meter 2 MHz - 20 MHz
Field Strength Meter 3 Levels
BandScope for 2m Band
Lightening Detector
3-Digits Dip Meter
Calibrated Noise Source
Capacitance Meter using DVM
Inductance Meter using DVM
High-Impedance RF Probe
DC to 500 MHz Log Detector/Amplifier - DJ1ES
L-C-R Bridge - G3BIK
Phase Meter
Inductance Meter - VK5BR
L/C Meter - IZ7ATH
FM Deviation Meter
Flicker-Noise Generator - Wenzel
2.4 GHz mW Power Meter - F1HDD
Simple Crystal Tester - F5JTZ
Inductance Meter - N5ESE
Magnetic Field Meter
RF dBu Meter
Two chips LED Frequency Counter - PA2OHH
0-99 kHz Frequency Counter - G0UPL
LED SWR/Power meter - PY2MG
Electro-Magnetic Waves Detector
Long-Wave Lightening Detector
Cable Reflection Tester - N9ZIA
TDR Circuit and Signals - T.Engdhal
1 MHz to 1 GHz LED Absorption Meter - GW1TDV
S9 HF Signal Generator
Audio Filter Analyzer
True Linear RF Power Detector
Grid Dip Meter 3.5 MHz to 110 MHz
1.6 MHz to 150 MHz Modulated Grid-Dip Meter
Five Grid-Dip Meters
30 kHz to 30 MHz Sinusoidal Signal Generator
Capacimeter using NE555
0-1uF Capacimeter
Coil Short-Circuit Detector
Fonometer
All-BJTs L-C Meter
VHF FM Signal Generator
Sweeper for 455 kHz IF
500 kHz to 3 GHz LED Field-Strength Meter
2xBJT Capacimeter
Varactor Capacimeter
Automatic VSWR and Power Meter - W0INK
RF Sweeper - VK2ZAY
Very Low Frequency Survey Probe - VK2ZAY
1 MHz to 30 MHz Noise Source - G1HSM
Capacimeter with 2xNE555 - WA8MCQ
Dual-LED SWR Indicator for QRP
HF In-Line Return Loss and Power Meter - N2PK
Spectrum Analyzer on the Oscilloscope
Grid-Dip Meter with Digital Display
Marker Generator - KB1MW
Micro-Wattmeter - W7DB
Sweep Generator - NA5N
Simple Function Generator
Optical SWR meter
Glitch Detector
Satellite Finder
Electrostatic Detector
1nF to 100uF Capacimeter
10 Hz to100 kHz Frequency-to-Voltage Converter
100 kHz to 30 MHz RF Probe with Detector Monitor
100 MHz Oscilloscope Probe
L/C meter multirange
VHF LC Resonance Indicator
Harmonics Detector
Lighting Storm Monitor
Ultra Simple CRT Oscilloscope
Sudden Ionospheric Disturbance Receiver
7-digits Frequency Counter - VU2IYI
Accurate Capacitance Meter with PLL
Precision Two-Tone RF Generator for IMD Test - KI6QP
Quartz Tester
10 Hz to 100 kHz Sinusoidal/Rectangle Generator - OE1MSA
Two-Tone IMD Test with Crystal Oscillators
Wobbulator 1 Hz - 40 MHz - DC2MR
1 MHz to 42 MHz SuperDipmeter - DK1HE/DL2FI
HF-VHF RF Level Meter with Monitor - DL9AH
Calibration Spectrum Generator - DL3XW
2pF-1uF Capacimeter - DC6FC
70 MHz to 1350 MHz Wave Absorption meter - DJ2HF
VHF-UHF Noise Source - DB2GM
29 MHz to 460 MHz Dual-FET Grid-DIP Oscillator
RF Bridge for Impedance Measurements
RF Noise Bridge
Q-meter - VK5BR
Audio Generator 50 Hz to 36 kHz
EM-Field Intensity Meter - WA7JHZ
1 MHz to 30 MHz Quartz Tester - DK4KU
Peak Reading RF Power Meter - W0IVJ
0 - 500 MHz Field Strength Meter - DK6UU
QRP SWR Meter - HA5KU
Crystal Timebase
Phase Meter - K1FK
10 kHz to10 GHz LED-Bargraph Power Meter - W1GHZ
Antenna Ratio Meter - W1GHZ
300 MHz Bandwidth Noise Generator
Function Generator - WA2IKL
Splatter Meter - W1BG
40 kHz to 200 MHz RF Voltmeter - WA6NIL
Voltage to Frequency Converter
3 MHz to 22 MHz Signal Generator - K1BKT
140 MHz to 460 MHz Wavemeter - K1CLL
Crystal-Controlled Audio Generator - KB4ZGC
FM Deviation Meter - W3QVZ
Very Simple Oscilloscope - K8JWR
3-Digit Frequency Counter
Digital Capacimeter
3 MHz to 45 MHz Signal Generator
15 Hz to 2 MHz Ferranti-Wien Bridge Generator
455 kHz Wobbulator
Low Power SWR Meter - DL2EWN
Short-Wave Noise Generator
Wideband Temperature Independent Noise Source
0 to 60 MHz Spectrum Analyzer - WB5IPM
1.6 MHz to 32 MHz Signal Generator - W4LJD
100 Hz to 10 kHz Function Generator - KC3ZQ
400 kHz to 33 MHz Signal Generator - N2DCH
Choke Inductance Checker - W8VWX
Inductor Gauge Meter
Calibrated Field Strength Meter - VE3CES
Gauss Meter - KB4ZGC
JFET Pinch-Off Voltage Meter
Pure Sine-Wave Wien Oscillator
Spectrum Analyzer using TV-Tuner - W6WTU
Tube-Type Dip Meter - K4LJA
3-digit Capacimeter - W3KBM
7 MHz Dual-Tone Generator for IP3 test - DC4KU
10 Hz to 10 kHz Frequency Meter on DVM - W3HB
Antenna Resistive Bridge - W3MT
137 kHz Low-Frequency Field Meter - PA0SE
144 MHz FM Signal Generator - ZR6UM
PLL Capacimeter - WA0ZCR
Remote Field Strength Meter - W2IMB
146 MHz FM Deviation Meter - KA8OBL
400 MHz to 500 MHz Source Dipper - WB0ESV
HF Signal Generator
1Hz to 10MHz, 50ns-500ms, Pulse Generator
1pF to 1uF 4-digits Capacimeter
2 MHz Function Generator - KB4ZGC
300 kHz to 3 MHz Square-Wave with Few-nsec Rise-Time
Audio Function Generator
Capacimeter with MK5009 - W4VGZ
Dip-Meter - WB0ESV
Direct Reading on DVM Inductance Meter - W8VWX
Inductor Q-meter - N7APE
Pulse Generator - WA3RJS
Two Marker Generators
Noise Generator up to 2 GHz - DF1JM
150 kHz to 34 MHz Signal Generator
1.6 MHz to 33 MHz Signal Generator - ZL2PD
300 Hz to 12 kHz Audio Signal Generator - ZL2PD
400 Hz to 30 MHz Single-Span Generator - ZL2PD
450 kHz to 60 MHz Signal Generator - ZL2PD
Butler Quartz Tester for Anti-Resonat Frequency
2.4 GHz WLAN Field Strength Meter
