45× Noise Reduction. Measured. Verified.
From USB-C to laboratory-grade clean power. TrueVolt modules reduce USB power noise by 45× — verified on oscilloscope. Genuine TI TPS7A2033. Made in India.

Genuine Components. Real Specifications. Honest Testing.
01
100% Genuine Components
Every TrueVolt module uses authentic Texas Instruments, Samsung, Amphenol and Murata components sourced from
authorized distributors. No grey market parts. No remarked chips. Ever.
02
Real Measured Specifications
Our noise figures come from real oscilloscope measurements. Our thermal data comes from real experiments. We publish proof because we stand behind every specification we claim.
03
Made in India
Ramanu Systems designs and manufactures all TrueVolt modules in Pune, Maharashtra. Supporting Indian engineering with world-class precision electronics components.
Your USB Power is Dirtier Than You Think.
We Have the Proof.
Six Precision Modules. One Uncompromising Standard.
All modules use genuine TI, Samsung, Amphenol and
Murata components. Tested and shipped from Pune,
Maharashtra. Available on Amazon India.
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SwiftSense T235 Temperature Sensor
Ultra-low power high-speed analog temperature sensor on aluminum PCB. TI TMP235 silicon sensor with Murata ferrite bead and Samsung MLCC.
Responds 2x faster than FR4 sensors. ±0.5°C accuracy from 0°C to 70°C.
10mV per degree Celsius linear output. No I2C, no libraries needed. -
TrueVolt-74033 LDO Module
3.3V 300mA LDO on aluminum PCB. Genuine TI TLV74033 with Samsung MLCC capacitors. Superior thermal performance versus FR4. Thermal shutdown and foldback current protection. Ideal for embedded systems and IoT sensors requiring stable continuous 3.3V power.
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TrueVolt LN-7A2033
Ultra-low noise 3.3V LDO regulator. 7µVrms noise floor. 95dB PSRR at 1kHz. 140mV dropout at 300mA. Ferrite bead EMI filtering on input and output. Configurable via solder jumpers. Perfect for VCO, RF front-ends and precision
instrumentation.
Every module ships tested and verified. Datasheets with real measured specifications available at ramanusystems.com. Buy on Amazon India
with fast delivery across India.
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TrueVolt PureRail C33 Nano
Ultra-low noise USB-C power module. 7µVrms output noise. 95dB PSRR. Dual 3.3V and 5V output. Genuine TI TPS7A2033. For SDR, RF, ADC and
audio DAC applications. -
PureSwitch-22919 Load Switch
Prevents ESP32 and Arduino brown-out resets. Soft-start 1.5A load switch. TI TPS22919. Quick output discharge. Only 2nA shutdown current for battery projects.
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RS-TMP6331 Temperature Sensor
Aluminum PCB precision temperature sensor.2x faster response than FR4. Linear silicon PTC output. No I2C needed. Works directly with any Arduino ADC pin.
What Engineers Say
“Finally a module with honest specifications. The noise performance is exactly as advertised. Makes a real difference in my SDR setup.”
– Verified Amazon Customer, India
“Quality is clearly better than the Chinese alternatives. Genuine components, proper documentation, fast shipping.”
– Verified Amazon Customer, India
“The aluminum PCB temperature sensor responds much faster than my old NTC module. Exactly what I needed for my 3D printer protection circuit.”
– Verified Amazon Customer, India
USB-C Power Delivery — to Learn More Read: USB-C — The New Language of Universal Power
Ramanu Systems | TrueVolt Precision Electronics Modules | Made in India
contact@ramanusystems.com
WhatsApp: 8999306744
Pune Maharashtra