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Categories
- Projects
- ENVICO : Environment Parameter Monitoring System
- Eprom Wave Player
- Frequency Counters • Accessories
- Function Generator (with XR2206)
- VHF Synthesiser with AD9859 :: 'RF-2859'
- VHF Airband Receiver with Si570 and AD8361
- Curve Tracer (simple)
- Curve Tracer (advanced)
- DCF-77 Signal Generator (obsolete)
- DCF-77 Synthesizer. With Arduino. Aka "TimeDuino"
- Logarithmic Amplifier with AD8307
- Gain - Phase - Adapter using the AD 8302
- RFID
- Micro Projects • Tools
- Atmega8 LED Panelmeter (U,I,°C,°F)
- Corona Customer Counter for a shop/place
- LCD Adapter • Interface
- Microphone Preamplifier
- ROTARY ENCODER (STEC11B03)
- SDRSharp and a DVB-T stick : a 20 EUR Spectrum Analyser ?
- Magnetic Field Probe up to 3 GHz
- UART - RS232 Bridge (ST232CDR)
- UART - USB Bridge (MCP2200)
- UART - ETHERNET Bridge (LANTRONIX XPORT)
- USB - InfraRed Transceiver
- USB - PLL / DDS - Interface
- Arduino Projects / Shields
- A DC-199 MHz Spectrum Analyser 'VISIONARY' with Si4432
- A 15-2700 MHz Spectrum Analyser with the RF Explorer 3G+
- Astramod - A 2.0 GHz Measurement Receiver (soon)
- Countermod - 1 GHz Frequency Counter
- Daramod - 10 MHz GPS Receiver with the NEO-7N
- Daramod - 10 MHz Distribution Amplifier
- Kilomod - 15 mHz ... 5 kHz TTL PWM Generator
- Kumod - 1 MHz ... 200 MHz Synthesiser with the AD9958
- Levelmod - A DC to Daylight Microwave Powermeter (soon)
- Mannmod - A PRBS Generator (soon)
- Micromod - A 220 MHz Synthesizer with the Si570
- Macromod - A 850 MHz Synthesizer with the LMK61E2
- Nuumod - A Microvoltmeter with the LTC2400
- Pingumod - A Power Monitor with the INA260
- Polarmod - An I-Q-Processor with the AD9958
- Samroimod - A 32 V / 1 A Power Supply
- Standardmod - A 10.000000 MHz OCXO
- Sungmod - A 270 V / 1 mA Power Supply
- Supermod - A 23.5 - 6000 MHz Synthesizer with the MAX2871
- Supplymod - A 20 V / 2 A Power Supply
- Teramod - A 2 to 15 GHz Synthesizer
- Ultramod - A 9.9 - 3200 MHz Synthesizer with the Si564
- Wacharamod - An FM Stereo Receiver with the TEA5767
- What's All This '...mod' Stuff, Anyhow ?
- Micro Smart Power Sensor - with AD8319, TMP101
- Micro USB Waveform Generator - with AD9833
- Shield BHUMI : A Voltage Standard, programmeable
- CALC-DUINO, a simple Pocket Calculator Shield (MAX7219)
- CLOCK-DUINO, a clock, to be shown to my teachers :-)
- Shield FLO : Environmental Datalogger, aka ENVICO light
- Shield FLO : Display of the Measurement Results
- Shield LEO : SMS on Power down
- Shield NRVD : Dual UHF Power Meter
- Shield MARCELLA : Control your Laboratory Devices
- Shield RENÉ : Reference Voltage Source, aka REFDUINO
- Shield TANACHAI : A Transistor Curve Tracer
- Shield TOBI : A 60 MHz, 80dB Scalar Network Ananlyzer
- Add-on BRUNO : Universal Battery Tester (Charge/Discharge)
- Arduino Knowledgebase
- Power Supply
- Artificial Ground
- Power Supply Characterisation
- Power Supply Designer : Rectification
- Power Supply Designer : Linear Regulator
- Power Supply Gallery (Experience Database)
- Power Supply Ripple and Noise Measurements
- Yet another LM317 Calculator
- Feedback Voltage Divider Finder (LM2576 e.a.)
- High Voltage Power Supply (MC34063, step-up)
- Low Voltage Power Supply (MC34063, step-down)
- VB 408 Replacement
- Leomod, Power Supply for ±15 V, 1 A
- Powermod, a Power Supply with the LM317/LM337
- Samroimod - A 32 V / 1 A Power Supply
- Sungmod - A 270 V / 1 mA Power Supply
- Supplymod - A 20 V / 2 A Power Supply
- Thormod, a Power Supply for Photodiodes
- PETH-6 Power Supply • ± 15 V, 100 mA
- PETH-6 Power Supply • +7.5 V, for Arduino / Genuino
- PETH-20 Power Supply • ± 15 V, 600 mA
- PETH-30 Power Supply
- PETH-40 B3 Power Supply ±15V, 1200 mA
- PETH-40-HAM Power Supply • ± 15 V, 1.5 A
- PETH-49 Power Supply • 1 ... 19 V, 2 A
- PETH-200V - High Voltage Poweer Supply
- PETH-581 Power Supply • Buck Conv. with Linear Afterburner
- PETH-1074 Power Supply • Step-Down with an LT1074
- PETH-9910 Power Supply • 8 ... 16 V, 10 A
- Amplifier Design • Amplifiers
- MAR, ERA, GALI Amplifier Bias Calculator
- BJT Buffer Amplifier Designer (Collector Feedback Bias)
- BJT Buffer Amplifier Designer (Base Bias Network)
- BJT Buffer Amplifier Designer (Voltage Feedback Bias)
- BJT Buffer Amplifier Designer (Emitter Feedback Bias)
- Broadband VHF Power Amplifier, 3 ... 540 MHz, 1.5 W
- Broadband UHF Preamplifier, > 3 GHz, 20 dB, NF 2.4 dB
- Broadband Measurement Amplifier
- Broadband Power Amplifier, 1 Watt from 2 - 2500 MHz
- Sojamod, a 20 dB RF Amplifier up to more than 1.5 GHz
- Opamp Circuits / Knowledge
- Antenna Design
- Antenna Selection Guide
- Antipodal Vivaldi Antenna Designer
- Bi-Quad Antenna Designer
- Bowtie • Batwing • Butterfly Dipole Calculator
- Cantenna Calculator
- Discone Antenna Designer
- Folded Dipole Calculator
- HB9CV Antenna Calculator
- Helix Antenna Calculator
- Helix Antenna with Match Calculator
- J-Pole Antenna
- Lambda/4 Groundplane Designer
- Logarithmic Periodic Dipole Antenna Calculator
- Microstrip Patch Antenna Calculator
- Wokatenna Design
- Yagi Uda Antenna Designer (NBS Tech. Note 688)
- Yagi Uda Antenna Designer (Rothammel/DL6WU)
- Filter Designer (Audio, AF)
- Filter Designer (Radio, RF)
- Lowpass Filters
- Bandpass Filters
- Butterworth Bandpass Filter
- Ceramic Bandpass Filters
- Chebyshev Bandpass Filter
- Combline Bandpass Filter Design
- Coaxial Tank V.H.F. (Bandpass) Filter Designer
- Constant K Bandpass Filter
- Crystal Filter Design #0 : Buy a lot of crystals :-)
- Crystal Filter Design #1 : Measure replacement data
- Crystal Filter Design #2 : Calculate the Ladder Filter
- Crystal Filter Design #3 : Verifying the results
- Direct Coupled Resonator Bandpass Filter Designer
- Helical Bandpass Filter Designer
- Interdigital Bandpass Filter
- Highpass Filters
- Band Reject Filters • Notch Filters
- PLL, VCO, DDS, Oscillators
- Micromod - A 220 MHz Synthesizer with the Si570
- A 100 MHz Reference Frequency Source, locked to 10 MHz
- A 100 MHz Reference Frequency Add-On, DIL-28 Formfactor
- A universal VCO Board - MC100EL1648DG and PGA-103+
- A universal XCO/PLL Board - NB3N501/502/511
- Injection Lock Oscillator with PLL (and a NB3N502)
- MEMS Oscillators - SiT8008/SiT8208/SiT8209
- DDS Synthesizer - with AD9851, ≈70 MHz
- Low Noise DDS Daughterboard - with AD9859, ≈ 160 MHz
- RF Reference Source - for Powermeter Calibration
- 4046 VCO Calculator
- Mini Synthesizer with 74HCT9046A
- PLL Loopfilter Designer, 2nd and 3rd order
- PLL Divider Calculator
- NE 555 Oscillator
- NE 555 Monoflop
- RC HCT Inverter Oscillator
- Wien Bridge Oscillator
- Circuit Collection : Oscillators
- Mixer • Freq. Converters
- RF Toolbox 3599 Edition
- A DIY Dual Directional Coupler, 5 - 1500 MHz, 10 / 20 dB
- Bias-Tee (coming soon)
- Coupled Resonator L-C Bandpass
- DC-Block
- Equalizer • Slope - Compensator
- Ground-Breaker
- Lowpass, 9-pole, L-C
- Prescaler :2 :4 :8 with the MC12093
- Quantum Computer Arithmetic Unit : Adder
- Quantum Computer Arithmetic Unit : Multiplier
- Resistive Power Split, DC - 3000 MHz, 9.5 dB, 3 Way
- Voltage Limiter (coming soon)
- Components • Networks
- Conversions
- misc. Calculations
- Software
- Datasheets, Manuals
- Tutorials
- Troubleshooting • Repair
- Doctoral hat electronics
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เราจะทำแบบวิศวกรผู้ยิ่งใหญ่
5. December 2021
further reading
Your valuable opinion :
calc_14.php 6845 Bytes 06-05-2020 11:17:55
VSWR Voltage Standing Wave Ratio Calculator
Converts VSWR into dBm
✈ Share your thoughts
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t1 = 5624 d
t2 = 250 ms |
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