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Chirper Expander

Name: Chirper Expander
Brand: Bugbrand

Bugbrand

£140

We have not confirmed this price since it was first recorded. Check before buying.

Expander for the Chirper 3FW. The Expander joins to the main Chirper 3FW to greatly widen the possibilities by combining the oscillators adding utilities. The top section features an 8-stage digital shift register (without feedback path) with outputs summed by R2R networks to generate stepped 0 to +10V waveforms. these can either take clock data from Oscs 1 2 or any external source. The Digital-to-Analogue (DtoA) outputs each sum a different 4 outputs from the shift registers. The middle section is a basic Sample Hold plus a White Noise generator for random generation. the S H can source from

Bugbrand's own words, read from their page.

Buy from BUGBRAND LTD.Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.

UK company
Registered at Companies House as BUGBRAND LTD., number 07199808. Checked 2026-08-29.
Means the business is a British legal entity, not a British-sounding name owned elsewhere. It says nothing about where anything is made.
UK operations
Not yet checked.
Means people employed here, or premises they actually work from. We keep this separate from the company badge because a registered office can be an accountant's spare room, and a company can be registered in Britain while everything it does happens somewhere else. Where we have not looked, we say so rather than assuming.
British-owned
No majority shareholding traced outside the UK. Companies House.
Read from the register of people with significant control, following the chain of holding companies. It does not gate anything: a firm can be made here and owned elsewhere, and that is worth telling you rather than hiding.
Where it is made
The maker doesn't say, so neither do we.
This is about the individual product, not the company. A British firm can sell things made abroad, which is normal and not a criticism. We would rather tell you which is which than average them into a score.

Chirper Expander

Where this comes from

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