Канал: Lockdown Electronics

Oscillators Part 7 - Digital Signal Generation - #201

Oscillators Part 7 - Digital Signal Generation - #201

Oscilloscope Beam Splitter - #200

Oscilloscope Beam Splitter - #200

Filters part 1 - 1st Order Filters # 199

Filters part 1 - 1st Order Filters # 199

Oscillators Part 6 - Stability - #198

Oscillators Part 6 - Stability - #198

ZOYI ZT-703S - Firmware Update

ZOYI ZT-703S - Firmware Update

Oscillators Part 5 - The LC Oscillator - #197

Oscillators Part 5 - The LC Oscillator - #197

Tesmen TCM-300D Clamp Meter Review - #196

Tesmen TCM-300D Clamp Meter Review - #196

Quansheng UV 5 Hardware Mods - #195

Quansheng UV 5 Hardware Mods - #195

Racal Instruments 9901 Universal Frequency Counter - #194

Racal Instruments 9901 Universal Frequency Counter - #194

Oscillators Part 4 - The 555 - #193

Oscillators Part 4 - The 555 - #193

IC Station Multifunction Kit - Ideal beginners project - #192

IC Station Multifunction Kit - Ideal beginners project - #192

Oscillators part 3a - Vacuum Tubes - #191 (amended version)

Oscillators part 3a - Vacuum Tubes - #191 (amended version)

Oscilloscope Curve Trace Adaptor - #190

Oscilloscope Curve Trace Adaptor - #190

Oscillators Part 3 - #189

Oscillators Part 3 - #189

Philips Electronic Engineer - Part 2 - #188

Philips Electronic Engineer - Part 2 - #188

Oscillators Part 2 - #187

Oscillators Part 2 - #187

Philips Electronic Engineer - A Nostalgic Journey - #186

Philips Electronic Engineer - A Nostalgic Journey - #186

Oscillators Part 1 - #185

Oscillators Part 1 - #185

Plotting Frequency response with a scope - #184

Plotting Frequency response with a scope - #184

A review of the Gochifix Scope Meter - #183

A review of the Gochifix Scope Meter - #183

ZOYI ZT 703S Digital Electronics Lab in a box - #182

ZOYI ZT 703S Digital Electronics Lab in a box - #182

Using a spectrum analyser with a tracking generator - #181

Using a spectrum analyser with a tracking generator - #181

Setting up and getting meaningful results from a spectrum analyser - #180

Setting up and getting meaningful results from a spectrum analyser - #180

ZOYI ZT 703S Oscilloscope and Multimeter Review - #179

ZOYI ZT 703S Oscilloscope and Multimeter Review - #179

µBITX v6 Fault and a Fix - #178

µBITX v6 Fault and a Fix - #178

Exploring the Tang Nano 9K FPGA development board with the Joyalens JL249MS Microscope - #177

Exploring the Tang Nano 9K FPGA development board with the Joyalens JL249MS Microscope - #177

Get some TinySA practice with the RF Demo Board = #176

Get some TinySA practice with the RF Demo Board = #176

uBITX Mods and additions - #175

uBITX Mods and additions - #175

PWM Part 3 - #174

PWM Part 3 - #174

PWM - Pulse Width Modulation - Part 2 #173

PWM - Pulse Width Modulation - Part 2 #173

Exploring PWM - Pulse Width Modulation #172

Exploring PWM - Pulse Width Modulation #172

A Look At MOSFETs And Channel Resistance

A Look At MOSFETs And Channel Resistance

Kaiweets KOT936 Solder Station and KAW05 Lead Free Solder - #170

Kaiweets KOT936 Solder Station and KAW05 Lead Free Solder - #170

Do It Yourself CMOS Part 2 - #169

Do It Yourself CMOS Part 2 - #169

Do It Yourself CMOS circuits - Part 1 - #168

Do It Yourself CMOS circuits - Part 1 - #168

Op Amps - Integration and Differentiation - #167

Op Amps - Integration and Differentiation - #167

Voltage Division and Control with Diodes - #166

Voltage Division and Control with Diodes - #166

The Bus Transceiver - 74LS245 - #165

The Bus Transceiver - 74LS245 - #165

Kaiweets KC601 and KC602 Clamp Meter Review - #164

Kaiweets KC601 and KC602 Clamp Meter Review - #164

Electronic Building Blocks - The Voltage Divider - #163

Electronic Building Blocks - The Voltage Divider - #163

Digital Electronics The Multiplexer - #162

Digital Electronics The Multiplexer - #162

The Synchronous Binary Counter - #161

The Synchronous Binary Counter - #161

Exploring rectifiers, regulators, 555 ICs & waveforms with the ZOYI ZT-702S Scope & Meter - #160a

Exploring rectifiers, regulators, 555 ICs & waveforms with the ZOYI ZT-702S Scope & Meter - #160a

ZOYI ZT 702S Review - #160

ZOYI ZT 702S Review - #160

Digital to Analog Conversion – Part 2 The DAC0808 - #159

Digital to Analog Conversion – Part 2 The DAC0808 - #159

Digital to Analog Conversion Part 1 - #158

Digital to Analog Conversion Part 1 - #158

VENLAB VM 200M Review - #157

VENLAB VM 200M Review - #157

Comparing Signal Generators #156

Comparing Signal Generators #156

Analog to Digital Conversion - #155

Analog to Digital Conversion - #155

The Unijunction Transistor #154

The Unijunction Transistor #154

Exploring TTL and CMOS integrated circuits and some of their characteristics - #153

Exploring TTL and CMOS integrated circuits and some of their characteristics - #153

De Bouncing a push button switch - #152

De Bouncing a push button switch - #152

Kaiweets Apollo 7 Infrared Thermometer - Review - #151

Kaiweets Apollo 7 Infrared Thermometer - Review - #151

Digital Electronics – A few different gates - #150

Digital Electronics – A few different gates - #150

Tesmen TM-510 Smart Multimeter Review – #149

Tesmen TM-510 Smart Multimeter Review – #149

Shift Registers – Latches in action! - #148

Shift Registers – Latches in action! - #148

More uses for a signal generator - #147

More uses for a signal generator - #147

Kaiweets KWS 103 Multi Function Wire Stripper Tool Review - #146

Kaiweets KWS 103 Multi Function Wire Stripper Tool Review - #146

Venlab VM 600A Multimeter Review - #145

Venlab VM 600A Multimeter Review - #145

Zotek ZT 5566SE Muiltimeter Review - #144

Zotek ZT 5566SE Muiltimeter Review - #144

Kaiweets KET05 Multimeter Leads Kit Review - #143

Kaiweets KET05 Multimeter Leads Kit Review - #143

A Logical Problem - #142

A Logical Problem - #142

Using a signal generator with digital electronics - #141

Using a signal generator with digital electronics - #141

#140 - Using a Signal Generator

#140 - Using a Signal Generator

LED's and Current Limiting - #139

LED's and Current Limiting - #139

Exploring the Astable Multivibrator with a kit built lab #138

Exploring the Astable Multivibrator with a kit built lab #138

Signal Tracing with the MINIWARE Digital Tweezers - #137

Signal Tracing with the MINIWARE Digital Tweezers - #137

What is sideband? - #136

What is sideband? - #136

Machine tool fault finding with the Kaiweets HT206D clamp meter - #135

Machine tool fault finding with the Kaiweets HT206D clamp meter - #135

Junctek JDS8080 Review - #134

Junctek JDS8080 Review - #134

Component Tester - Curve Tracer - #133

Component Tester - Curve Tracer - #133

Kaiweets ST120 Multimeter Review - #132

Kaiweets ST120 Multimeter Review - #132

Scope Basics- Measuring Rise Time – Part 6 - #131

Scope Basics- Measuring Rise Time – Part 6 - #131

Kaiweets ST100 Multimeter Review #130

Kaiweets ST100 Multimeter Review #130

MINIWARE DT71 - Mini Digital Tweezers - #129

MINIWARE DT71 - Mini Digital Tweezers - #129

Current Limited DC PSU Module Kit (Banggood) - #128

Current Limited DC PSU Module Kit (Banggood) - #128

Channel Donations - Part Two - #127

Channel Donations - Part Two - #127

Exploring 1940s Technology #126

Exploring 1940s Technology #126

Op Amps Revisited Part 2 Maths #125

Op Amps Revisited Part 2 Maths #125

DC Power Supply Kit Build and Test - #124

DC Power Supply Kit Build and Test - #124

Channel Donations - #123

Channel Donations - #123

Using an Oscilloscope and Signal Generator to explore IF Transformers #122

Using an Oscilloscope and Signal Generator to explore IF Transformers #122

Op Amps Revisited - Non Inverting and Inverting Amplifiers - #121

Op Amps Revisited - Non Inverting and Inverting Amplifiers - #121

New to Oscilloscopes Part 5 - #120

New to Oscilloscopes Part 5 - #120

DANIU Soldering Iron Kit - #119

DANIU Soldering Iron Kit - #119

Understanding and Using Varactor Diodes #118a

Understanding and Using Varactor Diodes #118a

Understanding and Using Varactor Diodes - #118

Understanding and Using Varactor Diodes - #118

The Lowe FX-1 Dip Oscillator and Absorption wave meter - #117

The Lowe FX-1 Dip Oscillator and Absorption wave meter - #117

Retro Chip Recreation - Telephone Ringer Chip the UTC31002A - #116

Retro Chip Recreation - Telephone Ringer Chip the UTC31002A - #116

New to Oscilloscopes - Part 4 - #115

New to Oscilloscopes - Part 4 - #115

Testing Zener Diodes and limitations of the Hameg HM307 curve Tracer - #114

Testing Zener Diodes and limitations of the Hameg HM307 curve Tracer - #114

The LM380 Audio Amplifier Looking at some alternative uses of this chip #113

The LM380 Audio Amplifier Looking at some alternative uses of this chip #113

Current Shunts and Ohms Law in Action! - Kaiweets HT206D Clamp Meter and KM601 Multimeter –- #112

Current Shunts and Ohms Law in Action! - Kaiweets HT206D Clamp Meter and KM601 Multimeter –- #112

New to oscilloscopes? - Part 3 - #111

New to oscilloscopes? - Part 3 - #111

The Latch as a Counter - Plus the logic channels on the MiniWare DS213 oscilloscope - part 3 - #110

The Latch as a Counter - Plus the logic channels on the MiniWare DS213 oscilloscope - part 3 - #110

Kaiweets ST600Y Smart Multimeter Review - #109

Kaiweets ST600Y Smart Multimeter Review - #109

New to Oscilloscopes? - Part 2 - #108

New to Oscilloscopes? - Part 2 - #108

Using Latches as Counters - part 2 - #107

Using Latches as Counters - part 2 - #107

The Kaiweets HT206D Clamp Meter and KM601 Multimeter – complimentary Instruments - #106

The Kaiweets HT206D Clamp Meter and KM601 Multimeter – complimentary Instruments - #106

The Latch as a Counter - Part 1 - #105

The Latch as a Counter - Part 1 - #105

New to Oscilloscopes? - A beginners guide - #104

New to Oscilloscopes? - A beginners guide - #104

Digital Electronics - Latches Part 2 #103

Digital Electronics - Latches Part 2 #103

MiniWare DS213 Mini Oscilloscope Review - #102

MiniWare DS213 Mini Oscilloscope Review - #102

The 78xx Series Regulators part 2 - #101

The 78xx Series Regulators part 2 - #101

ICStation DC DC Voltage Up Converter Module - #100

ICStation DC DC Voltage Up Converter Module - #100

Farnell Power Supply Unit E30/1 Refurb - #099

Farnell Power Supply Unit E30/1 Refurb - #099

ICStation PWM Module Review and Teardown #098

ICStation PWM Module Review and Teardown #098

78xx Series Voltage Regulators #097

78xx Series Voltage Regulators #097

Simpson Model 465 Series 3 DMM - 'Perchance it is not dead but sleepeth’ - #096

Simpson Model 465 Series 3 DMM - 'Perchance it is not dead but sleepeth’ - #096

Making use of Hall Effect devices #095

Making use of Hall Effect devices #095

Electronic Building Blocks Passive and Active Filters #094

Electronic Building Blocks Passive and Active Filters #094

Kaiweets KM601 Smart Multimeter Review - #093 - Kaiweets Black Friday Sales

Kaiweets KM601 Smart Multimeter Review - #093 - Kaiweets Black Friday Sales

Ruoshui 4090C LCR Meter Review #092

Ruoshui 4090C LCR Meter Review #092

Modulation #091

Modulation #091

ADF4351 RF signal source - #090

ADF4351 RF signal source - #090

Electronic Building Blocks - Operational Amplifiers - #089

Electronic Building Blocks - Operational Amplifiers - #089

Radio Shack / Tandy Receiver - Realistic DX 400 - Repair #088

Radio Shack / Tandy Receiver - Realistic DX 400 - Repair #088

The FNIRSI 1013D Tablet Oscilloscope as a Tachometer - #087

The FNIRSI 1013D Tablet Oscilloscope as a Tachometer - #087

Electronic Building Blocks The Tuned Circuit - #086

Electronic Building Blocks The Tuned Circuit - #086

Fun with the FNIRSI 1013D Tablet Oscilloscope and Optoelectronics

Fun with the FNIRSI 1013D Tablet Oscilloscope and Optoelectronics

A Year with the East Tester ET3240 Bench Multimeter #084

A Year with the East Tester ET3240 Bench Multimeter #084

Bode Plots with the Siglent SDS1104X-E - #083

Bode Plots with the Siglent SDS1104X-E - #083

Bistable Oscillators and Latches #082

Bistable Oscillators and Latches #082

Simple Electronic Load Project #081

Simple Electronic Load Project #081

Field Effect Transistors part 2 The MOSFET #080

Field Effect Transistors part 2 The MOSFET #080

The Field Effect Transistor - Part 1 - The JFET - # 079

The Field Effect Transistor - Part 1 - The JFET - # 079

Generating a negative voltage - #078

Generating a negative voltage - #078

The TC1 Multi Function Tester Cheap and nasty or cheap and cheerful? A review #077

The TC1 Multi Function Tester Cheap and nasty or cheap and cheerful? A review #077

Scope Bandwidth using Rise Time - #076

Scope Bandwidth using Rise Time - #076

µBITX Transceiver Modifications #075

µBITX Transceiver Modifications #075

The Bipolar Junction Transistor Electronic Building Blocks #074

The Bipolar Junction Transistor Electronic Building Blocks #074

Building A Return Loss Bridge - #073

Building A Return Loss Bridge - #073

All Creatures Great and Small - Radio Shack AM Receiver fault finding - #072

All Creatures Great and Small - Radio Shack AM Receiver fault finding - #072

Diodes and Multiplication #071

Diodes and Multiplication #071

80s Retro Radio The Yaesu FT290R Mark 2 #070

80s Retro Radio The Yaesu FT290R Mark 2 #070

Phase and Discrete Components #069

Phase and Discrete Components #069

tinySA comparison and channel power measurement function - #068

tinySA comparison and channel power measurement function - #068

tinySA Firmware updating process

tinySA Firmware updating process

Making the most of the TinySA firmware update May 2021 #067

Making the most of the TinySA firmware update May 2021 #067

Response to a question on video #066 from Tron Magnum - #066a

Response to a question on video #066 from Tron Magnum - #066a

Using modern test gear with older technology #066

Using modern test gear with older technology #066

Logic Gates The Truth! #065

Logic Gates The Truth! #065

Electronic Building Blocks - The Diode and Rectification #064

Electronic Building Blocks - The Diode and Rectification #064

Noise - 3 Different Sorts #063

Noise - 3 Different Sorts #063

ANENG 620A Smart Multimeter Review. #062

ANENG 620A Smart Multimeter Review. #062

Exploring Push Pull Amplifiers with the FNIRSI 1013D Oscilloscope #061

Exploring Push Pull Amplifiers with the FNIRSI 1013D Oscilloscope #061

Digital Electronics NOT Gates Inverters and Schmitt Triggers #060

Digital Electronics NOT Gates Inverters and Schmitt Triggers #060

The µBITX HF QRP Transceiver #059

The µBITX HF QRP Transceiver #059

Using the FNIRSI 1013D to measure the effects of equalisation on a mixing desk #058

Using the FNIRSI 1013D to measure the effects of equalisation on a mixing desk #058

Build an AM Radio and learn along the way Part 3 of 3 Alignment #057

Build an AM Radio and learn along the way Part 3 of 3 Alignment #057

Build an AM Radio and learn along the way Part 2 of 3 - Assembling the PCB #056

Build an AM Radio and learn along the way Part 2 of 3 - Assembling the PCB #056

Build an AM Radio and learn along the way Part 1 of 3 - The Circuit and Design #055

Build an AM Radio and learn along the way Part 1 of 3 - The Circuit and Design #055

Measuring the output of an SSB transmitter - #054

Measuring the output of an SSB transmitter - #054

Exploring Digital Electronics - #053

Exploring Digital Electronics - #053

The FNIRSI-1013D Tablet Oscilloscope - A Review #052

The FNIRSI-1013D Tablet Oscilloscope - A Review #052

Measuring Signal Generator Output Levels #051

Measuring Signal Generator Output Levels #051

The VEF 204 AM receiver - A Soviet (Latvian) classic superhet - #050

The VEF 204 AM receiver - A Soviet (Latvian) classic superhet - #050

Rapid Electronics 85 1200 Signal Generator - #049

Rapid Electronics 85 1200 Signal Generator - #049

Hantek DSO5102P long term review - update - Voltage and timebase speed discrepancy - #048

Hantek DSO5102P long term review - update - Voltage and timebase speed discrepancy - #048

FeelElec FY6900 Function Generator Review and making use of the VCO function - #047

FeelElec FY6900 Function Generator Review and making use of the VCO function - #047

Getting the most from a single channel oscilloscope - Hameg HM307 - #046

Getting the most from a single channel oscilloscope - Hameg HM307 - #046

A year with the Hantek DSO5102P Digital Storage Oscilloscope - long term review - #045

A year with the Hantek DSO5102P Digital Storage Oscilloscope - long term review - #045

Frequency Domain waveforms with the Hantek DSO5102P Fast Fourier Transforms and the TinySA - #044

Frequency Domain waveforms with the Hantek DSO5102P Fast Fourier Transforms and the TinySA - #044

A Christmas Tale...... - #043

A Christmas Tale...... - #043

Measuring low value resistance accurately with Kaiweets HT118A and Aneng AN-888S - #042

Measuring low value resistance accurately with Kaiweets HT118A and Aneng AN-888S - #042

Understanding circuits with measurements and visualizing their operation - #041

Understanding circuits with measurements and visualizing their operation - #041

Why Bother With Analog Meters?

Why Bother With Analog Meters?

Raspberry Pi 400 - Set Up and First Impressions

Raspberry Pi 400 - Set Up and First Impressions

PYE 19D Vintage Valve Receiver Restoration - Part 2

PYE 19D Vintage Valve Receiver Restoration - Part 2

Codar PR30 Valve Preselector - component upgrade

Codar PR30 Valve Preselector - component upgrade

Kaiweets HT118A Digital Multimeter Review

Kaiweets HT118A Digital Multimeter Review

Testing capacitors response to temperature with the Hantek 2D72

Testing capacitors response to temperature with the Hantek 2D72

Hantek 2D72 - PC Software Review

Hantek 2D72 - PC Software Review

ANENG AN 888S - Long Term Review

ANENG AN 888S - Long Term Review

Channel Update - November 2020

Channel Update - November 2020

Aneng 618C Smart Multimeter review

Aneng 618C Smart Multimeter review

SZBJ BM500A Megohm Meter Mini Review

SZBJ BM500A Megohm Meter Mini Review

Measuring Capacitor ESR (Equivalent Series Resistance)

Measuring Capacitor ESR (Equivalent Series Resistance)

PYE 19D Restoration part 1

PYE 19D Restoration part 1

The TinySA - Unboxing and first look

The TinySA - Unboxing and first look

Building an RF Noise Source Kit produced by M0BMN

Building an RF Noise Source Kit produced by M0BMN

Variac modifications

Variac modifications

Hantek 2D72 Oscilloscope/AWG/DMM exploring a common emitter amplifier

Hantek 2D72 Oscilloscope/AWG/DMM exploring a common emitter amplifier

Hantek 2D72 Handheld oscilloscope - displaying Bode Plots

Hantek 2D72 Handheld oscilloscope - displaying Bode Plots

Bode plots with a Hantek DSO5102P and Feelelec FY6900

Bode plots with a Hantek DSO5102P and Feelelec FY6900

Codar CR 70A HF receiver refurbishment

Codar CR 70A HF receiver refurbishment

Frequency Counter and Crystal Testing Kit

Frequency Counter and Crystal Testing Kit

XR2206 Function Generator Kit

XR2206 Function Generator Kit

Cossor 524 Melody Maker Restoration - Part 4

Cossor 524 Melody Maker Restoration - Part 4

UNI-T UT210A - Clamp Meter Review

UNI-T UT210A - Clamp Meter Review

Cossor 524 Melody Maker Restoration - Part 3

Cossor 524 Melody Maker Restoration - Part 3

Cossor 524 Melody Maker Restoration Part 2

Cossor 524 Melody Maker Restoration Part 2

Cossor 524 Melody Maker Restoration Part 1

Cossor 524 Melody Maker Restoration Part 1

Hantek 2D72 Hand held Oscilloscope review

Hantek 2D72 Hand held Oscilloscope review

EKCO U143 radio restoration part 2

EKCO U143 radio restoration part 2

Component Tester modification

Component Tester modification

EKCO U143 Part1

EKCO U143 Part1

Using Kit Built Test Equipment

Using Kit Built Test Equipment

Build a Logic Probe

Build a Logic Probe

Build kits & learn along the way, MitchElectronics Analog Explorer & JYETech DSO138mini oscilloscope

Build kits & learn along the way, MitchElectronics Analog Explorer & JYETech DSO138mini oscilloscope