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- Shield BHUMI : A Voltage Standard, programmeable
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- DCF-77 Synthesizer. With Arduino. Aka "TimeDuino"
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- VB 408 Replacement
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- VHF Power Amplifier with the M57762 - 1.2 ... 1.35 GHz, 1 W+
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- MAR, ERA, GALI Amplifier Bias Calculator
- Measurement Amplifier with the LMH6609 • Vu = 1000, 30 MHz
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- Sojamod, a 20 dB RF Amplifier up to more than 1.5 GHz
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- Opamp Circuits • Knowledge
- Cascading OPAMPs For Increased Bandwidth
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- Bipolar Voltage to Unipolar Voltage ADC Driver
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- Differential Amplifier
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- Remembering Robert A. Pease, aka "RAP"
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- The Mobile Emitter
- DDS Synthesizer - with AD9851, ≈70 MHz
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- A Mixer Tinkerboard for those ADE-xxx from MCL
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- A broadband Phase-Shifter for IQ Mixing Applications (ECL)
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- UpConverter for SDR, Callisto e.a.
- Noisy Things
- Noise • Introduction
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- DIY Noise Source with 2 x BGA2869 (60 dB) and a 50Ω
- What's all this ENR stuff, anyhow ?
- How to Measure a Noise Figure using the Y-Factor method
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- How to Measure the Noise Floor of Your Spectrum Analyzer
- Magnetic Field Probe up to 3 GHz
- QO Toolbox 3599
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- Magnetic Field Probe up to 3 GHz
- Prescaler :2 :4 :8 :10 :20 :40 :80 MC12093 MC12095 MC12080
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- Resistive Power Split, DC - 3000 MHz, 9.5 dB, 3 Way
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27. April 2024
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PWM-to-DC-Lowpass-Calculator.php 8648 Bytes 11-04-2022 13:20:12
PWM to DC Lowpass Calculator
Online components calculator
✈ Some Design Notes
• Choose a Resistor larger than 330 Ω to avoid heavy loading of the digital output.
• When using more than one stage, an opamp buffer mayst deem useful.
• Try to increase the PWM frequency to achieve a fast settling time.
• Read this Application Note from Allegro microsystems.
• When using more than one stage, an opamp buffer mayst deem useful.
• Try to increase the PWM frequency to achieve a fast settling time.
• Read this Application Note from Allegro microsystems.
Jump from 40% Duty Cycle to 80% causes the DC to rise. Tested with Arduino™.
Lowpass first order. R = 15 kΩ, C = 330 nF, F = 976.5 Hz.
✈ Share your thoughts
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t1 = 6498 d
t2 = 448 ms |
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