is the output DC or pulsed DC? i.e. a single polarity?

The output is fairly clean DC. It has a few mV of noise which is load dependent. In my case I am using this in a supply for a measuring microphone. The mic needs super clean 120V at a couple mA, and super clean 200 V at no current. To clean the output up I used a Sziklai pair capacitance multiplier to get the noise down into the uV range plus an RC filter for the polarizing voltage.

Schematic of this product.

I was not able to find a schematic for the power supply circuit. Would have to reverse engineer the board to get the circuit.

What is required for it to work?

A 12 volt DC 1A wall wart powers this just fine.

Exactly what type of transformer is needed for the high voltage dc-dc boost power supply converter module?

All you need as a "wall wart" that plugs into the AC wall socket and delivers 12 volts DC. Cut and remove the coax plug from the wall wart's cord. Check polarity and connect the + lead with to red and - to black. A wall wart rated at 1 amp is enough as long as your HV load does not draw more than about 30mA. By the way, 30mA is about the limit for what this board can do before the inductor's core saturates and the efficiency goes way down resulting in overheating.

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High Voltage DC-DC Boost Power Supply Converter Module, Green

Product ID: 368484753

Details

Brand
QINIZX
Color
Green
Input Voltage
12 volts
Item Weight
27.22 g
Item dimensions L x W x H
1.96 x 1.02 x

⚡Up to 380V adjustable output

📏Compact 5x2.6x1.7cm size

🔋Input 9-12V DC, max 25mA output current

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Description

⚡ Elevate your vintage vibes with power that commands attention!

PLUG PLAY READY - Includes cables for quick installation—get your vacuum tube projects glowing faster and hassle-free.
COMPACT YET MIGHTY - Small footprint (under 2 inches) fits seamlessly into your custom builds without bulk or clutter.
RELIABLE EFFICIENCY - Optimized for up to 65% efficiency at 170V output, balancing power and performance for your vintage electronics.
POWER YOUR VINTAGE TECH - Boost your Nixie tubes & magic eye displays with up to 380V adjustable output—retro never looked so electrifying.
PRECISION VOLTAGE CONTROL - Fine-tune output voltage from 80V to 380V to perfectly match your project’s power needs with ease.

This High Voltage DC-DC Boost Power Supply Converter Module delivers adjustable 80-380V output from a 9-12V input, ideal for powering vintage Nixie tubes, magic eye indicators, and vacuum tube projects. Compact and efficient, it supports up to 25mA output current with a 65% efficiency rating at 170V, making it a perfect blend of retro tech compatibility and modern power precision.

Specifications

ASIN	B09D93QNYK
Best Sellers Rank	#83,781 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #64 in Lab Power Supplies #131 in Life Science Supplies
Brand	QINIZX
Color	Green
Customer Reviews	4.3 4.3 out of 5 stars (71)
Input Voltage	12 volts
Item Dimensions	1.96 x 1.02 x 0.67 inches
Item Weight	27.22 g
Manufacturer	QINIZX
Mfr Part Number	NIXIE-HV380V
Model Number	NIXIE-HV380V
Number of Items	1
Number of Packs	1
Power Source	Corded Electric
UPC	780861369910
Unit Count	1 Count
Warranty Description	90 Day Manufacturer

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B/.35

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

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