duplexer

English

Etymology

From duplex +‎ -er

Noun

duplexer (plural duplexers)

1. (electronics) A device that enables communication in two directions over a single path.
   • 2009, Ken-ya Hashimoto, RF Bulk Acoustic Wave Filters for Communications‎^[1], →ISBN, page 119:

     At first, making a duplexer seemed impossible, of all the filters in the cell phone, the specifications for the duplexer were by far the most stringent.

   • 2011, Alastair D. McAulay, Military Laser Technology for Defense‎^[2], →ISBN, page 272:

     The HE11 mode emits a Gaussian beam into free space as is required for input to the quasi-optical duplexer attached to the antenna.

   • 2012, TV White Space Spectrum Technologies‎^[3], →ISBN:

     A drawback in the dual duplexer design is that six channels are lost because three band gaps are required.

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French

Etymology

From duplex +‎ -er.

Pronunciation

• IPA^(key): /dy.plɛk.se/

Verb

duplexer

1. to link two points (with cables, wires, etc.)

Conjugation

Conjugation of duplexer (see also Appendix:French verbs)

infinitive	simple	duplexer
	compound	avoir + past participle
present participle or gerund1	simple	duplexant /dy.plɛk.sɑ̃/
	compound	ayant + past participle
past participle		duplexé /dy.plɛk.se/
		singular			plural
		first	second	third	first	second	third
indicative		je (j’)	tu	il, elle, on	nous	vous	ils, elles
(simple tenses)	present	duplexe /dy.plɛks/	duplexes /dy.plɛks/	duplexe /dy.plɛks/	duplexons /dy.plɛk.sɔ̃/	duplexez /dy.plɛk.se/	duplexent /dy.plɛks/
	imperfect	duplexais /dy.plɛk.sɛ/	duplexais /dy.plɛk.sɛ/	duplexait /dy.plɛk.sɛ/	duplexions /dy.plɛk.sjɔ̃/	duplexiez /dy.plɛk.sje/	duplexaient /dy.plɛk.sɛ/
	past historic2	duplexai /dy.plɛk.se/	duplexas /dy.plɛk.sa/	duplexa /dy.plɛk.sa/	duplexâmes /dy.plɛk.sam/	duplexâtes /dy.plɛk.sat/	duplexèrent /dy.plɛk.sɛʁ/
	future	duplexerai /dy.plɛk.sə.ʁe/	duplexeras /dy.plɛk.sə.ʁa/	duplexera /dy.plɛk.sə.ʁa/	duplexerons /dy.plɛk.sə.ʁɔ̃/	duplexerez /dy.plɛk.sə.ʁe/	duplexeront /dy.plɛk.sə.ʁɔ̃/
	conditional	duplexerais /dy.plɛk.sə.ʁɛ/	duplexerais /dy.plɛk.sə.ʁɛ/	duplexerait /dy.plɛk.sə.ʁɛ/	duplexerions /dy.plɛk.sə.ʁjɔ̃/	duplexeriez /dy.plɛk.sə.ʁje/	duplexeraient /dy.plɛk.sə.ʁɛ/
(compound tenses)	present perfect	present indicative of avoir + past participle
	pluperfect	imperfect indicative of avoir + past participle
	past anterior2	past historic of avoir + past participle
	future perfect	future of avoir + past participle
	conditional perfect	conditional of avoir + past participle
subjunctive		que je (j’)	que tu	qu’il, qu’elle	que nous	que vous	qu’ils, qu’elles
(simple tenses)	present	duplexe /dy.plɛks/	duplexes /dy.plɛks/	duplexe /dy.plɛks/	duplexions /dy.plɛk.sjɔ̃/	duplexiez /dy.plɛk.sje/	duplexent /dy.plɛks/
	imperfect2	duplexasse /dy.plɛk.sas/	duplexasses /dy.plɛk.sas/	duplexât /dy.plɛk.sa/	duplexassions /dy.plɛk.sa.sjɔ̃/	duplexassiez /dy.plɛk.sa.sje/	duplexassent /dy.plɛk.sas/
(compound tenses)	past	present subjunctive of avoir + past participle
	pluperfect2	imperfect subjunctive of avoir + past participle
imperative		–	tu	–	nous	vous	–
simple		—	duplexe /dy.plɛks/	—	duplexons /dy.plɛk.sɔ̃/	duplexez /dy.plɛk.se/	—
compound		—	simple imperative of avoir + past participle	—	simple imperative of avoir + past participle	simple imperative of avoir + past participle	—
1 The French gerund is usable only with the preposition en.
2 In less formal writing or speech, these tenses may be found to have been replaced in the following way: past historic → present perfect past anterior → pluperfect imperfect subjunctive → present subjunctive pluperfect subjunctive → past subjunctive (Christopher Kendris [1995], Master the Basics: French, pp. 77, 78, 79, 81).

Further reading

• “duplexer”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.