🔋 Adjustable High Voltage Converter – Battery Powered – Adjustable Output: 30 to 300 V and -24 V Tube Bias Output

Manual download:

https://www.radioelec.com/images/Image/alim_HT.pdf

⚙️ Technical Specifications

High voltage converter / regulator module
Dimensions: 85 × 55 × 25 mm (max)

🔌 Input

Power supply: 6 to 9 V AC or DC (batteries or transformer)

⚡ Outputs

Adjustable regulated high voltage: +30 to +300 V
Stabilized negative voltage: -24 V

📊 Performance

High voltage (examples)
25 mA at 80 V (9 V supply)
15 mA at 80 V (6 V supply)
20 mA at 200 V (9 V supply)
10 mA at 200 V (6 V supply)

Negative voltage
4.5 mA at -24 V (9 V supply)
2.5 mA at -24 V (6 V supply)

🔋 Consumption & Regulation

No-load current: approx. 50 mA (6 to 9 V)
High voltage regulation: < 3%
Short-circuit protection

📦 Package Contents

1 ready-to-use module
1 schematic and wiring diagram

🛠️ Applications

This module is designed as a versatile high voltage converter/regulator, ideal for:

• powering small vacuum tube circuits
• electronic circuit testing
• capacitor reforming
• portable high voltage supply
• DIY projects and experiments

🔧 Advanced Features

🔹 High voltage supply
Adjustment via integrated potentiometer (30 to 300 V DC)
Range extendable up to 0–450 V by changing a few components
Possibility to add an external potentiometer for remote adjustment
Digital control input (0 / +5 V) to switch the high voltage ON/OFF

🔹 Negative supply
-24 V stabilized by Zener diode
Adjustable from 0 to -40 V by changing the Zener diode

🔒 Advantages

Dual output (high voltage + negative supply)
Compact and standalone solution
Precise and flexible adjustment
Ideal for tubes and measuring instruments (Geiger-Müller, etc.)
Always ready for testing and troubleshooting