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Line 1: [[File:ALFA RPAR AS logo.png\|right\|200px\|]] ~~Latvian producer of semi conductor.~~ '''Alfa Rpar AS''' is an electronics factory in Latvia, founded in 1959. The company writes its name in all capital letters,<!-- why? --> AS indicates a [https://en.wikipedia.org/wiki/Joint-stock_company joint stock company]. In 2016 they started to produce synth and audio [[integrated circuits\|ICs]], some of which were otherwise difficult and expensive to obtain.<ref>[https://twitter.com/alfarzpp?lang=en ALFA RPAR AS], Twitter</ref><ref>[https://electricdruid.net/analog-renaissance/ Analog Renaissance? The rebirth of the impossible chips], Electric Druid, 26 Oct 2017</ref> [https://www.alfarzpp.lv/eng/sc/semiconductor.php Alfarzpp]▼ == Selected synth and audio products == Main Semiconductor Products:▼ This lists only those parts that are of interest to synth and audio DIYers. ~~• Operational Amplifiers~~ ~~• Voltage Comparators~~ * AS194 - [[LM194]] equivalent, matched NPN transistor pair in TO-5 and SOIC ~~• Analog-to-Digital Converters (ADC)~~ * AS394 - [[LM394]] equivalent, matched NPN transistor pair in TO-5 and SOIC ~~• Digital-to-Analog Converters (DAC)~~ * К1100СК2 - Sample and hold in TO-5 and DIP ~~• Precision Voltage-to-Frequency, Frequency-to-Voltage Converters~~ * AS3364D - Quad VCA equivalent to AS2164 in DIP and SOIC ~~• Timers~~ * K140YD12 - Op amp in TO-5, DIP and SOIC ~~• Voltage Regulators~~ * AS3080E - Extended [[CA3080]] OTA in DIP and SOIC ~~• Transistors and Transistor Pairs~~ * AS13704 - [[LM13700]] dual OTA equivalent in SSOP ~~• RF Transistors~~ * AS3046 - [[CA3046]] equivalent, matched transistor array in DIP and SOIC ~~• Digital Signal Processors (DSP)~~ * AS3310 - [[CEM3310]] equivalent, voltage controlled ADSR in DIP and SOIC * AS3320 - [[CEM3320]] equivalent, VCF in DIP, QFN and SOIC * AS3350 - [[CEM3350]] equivalent, dual state variable filter in DIP and SOIC * AS3109 - [[IR3109]] VCF in DIP and SOIC * AS2164 - [[SSM2164]] equivalent, quad VCA with [[exponential]] control response, in DIP and SOIC * AS3330 - [[CEM3330]] equivalent, dual VCA with simultaneous [[logarithmic\|log]] and [[linear\|lin]] control, in DIP and QFN * AS3360 - [[CEM3360]] equivalent, dual VCA with either log or lin control, in DIP and SOIC * AS3340 - [[CEM3340]] equivalent, VCO in DIP and SOIC * AS3345 - [[CEM3345]] equivalent, VCO in DIP and QFN * [[AS3340-HYB]] - SMT AS3345F VCO mounted on DIP-16 PCB * AS3372E - Extended [[CEM3372]] voice (mixer, VCF and VCA) in DIP and SOIC * AS3394E - Extended [[CEM3394]] voice (mixer, VCO, VCF and VCA) in DIP and SOIC * [[AS3397]] - [[CEM3396]] based voice (waveshaper, VCF and VCA) in SOIC == See also == ▲~~Main~~* [[Sound Semiconductor ~~Products:~~Inc]] * [[Solid State Micro Technology for Music]] * [[OnChip Systems]] (formerly Curtis Electromusic Specialties) == References == {{reflist}} == External links == ▲* [https://www.alfarzpp.lv/eng/sc/semiconductor.php ~~Alfarzpp~~ALFA RPAR AS] * [https://www.alfarzpp.lv/eng/sc/application.php ALFA RPAR data sheets] - The [https://web.archive.org/web/20220124111429/https://www.alfarzpp.lv/rus/sc/function.php Abstract of products] in Russian is more comprehensive. * [https://twitter.com/alfarzpp?lang=en ALFA RPAR AS], Twitter [[Category:Linear ICs]] [[Category:Latvian brands]]