To noise ratio
Elenco to noise ratio
-
3a-1aoutput interface: smareference enr (extra noise ratio): 0just replace the tracking source directly q: what is enra: enr, the full english name is excess noise ratio, that is, the multiple of the noise source exceeding the standard noise temperature t0 thermal noisehere we mean that the spectrum is not connected to the noise source and the signal strength is poor after the noise source is connected5g/20db,qa:q: what is this and what is it for?a: noise source, generate noise, can be used as spectrum tracking source, interference sourceq: what is the basic principle and how to use it?a: using a special voltage regulator tube, white noise is generated in the breakdown state, and then amplifiedfeature:test equipment: dsa815 spectrum analyzer (9khz-15g/55db, 1g/52db, 15ghz);power supply: 12v1a;power supply: dc12v/0package includes:1 x dsa815 spectrum analyzer5g/48db 2g/38db 25g/30db, 3g/27db, 3
Italia
138100004196167 €
-
Sensibilità pratica: s15dbrisoluzione stereo: 25 dbsnr (signal to noise ratio): 60 dbsupport music format3%snr (signal to noise ratio): 60 db pacchetto incluso: 1 x lettore mp3 per veicoli1 x remoto controllo1 istruzione x2 cavi x2 x disassemblare la chiaveforo di ingresso audio anteriore aux e terminale posteriore foro di uscita rca audio l / ruscita a 4 tracce ad alta potenza (4 altoparlanti ad alta potenza) specifiche di prodotto:tensione di lavoro: dc12vfm radiotipo elettronico basso / acuto / bilanciamento sinistro e destro / controllo del volume di bilanciamento anteriore e posteriore(radio frequenza: 87,5-108 mhz)supporto per lettore di schede usb / tfradio fm digitale stereo di alta qualità supporta il controllo remotodescrizione:built-in bluetooth + microfonosupporta chiamate a mani liberesupporto audio: formati mp3 / wma / wav e così viafrequenza: 87,5-108,0 mhzsupporta la modalità di trasmissione audio avanzatasupporta il negozio di radio a tre bande fm1-fm2-fm3 e può memorizzare 18 stazioni radiola riproduzione mp3 supporta la riproduzione pausa / anteprima / ripetizione / riproduzione casuale e 10 brani su / giùmp3/wmai supporti display: ld3 displaydistorsione: 0controllo del volume elettronico rotativosupporto per la riproduzione di cartellesupporta lorologio che indica quando lalimentazione è spenta
Italia
32369998931884766 €
-
48ghzsignal to noise ratio: 110dbimpedance: 75ωsupport audio output ports: can connect with 3long-range wireless connection: the wireless bluetooth adapter supports the connection up to 15 meters/49 feet, controlling the music playing in a long distancesupports nfc: built-in chip,you can directly connect with the nfc mobile phone or other support nfc bluetooth device by touch this receiver35mm aux audio cable1 x rca aux cable1 x usb power cable1 x user manualsupport tf card playback: support tf card playback, plug and play, no delay in transmissiondescription:bluetooth protocol: a2dp / avrcpbluetooth distance: 10 metersinterface: rca / auxfrequency range: 25mm headset, stereo system, speakersystem support: all bluetooth audio device; nfc device availablespecifications:1package included:1 x c51 nfc bluetooth receiver1 x 35mm audio cable, you can easily turn your old-fashioned speaker into a bluetooth speaker in seconds
Italia
15779999732971191 €
-
5cm rated power: 5w power supply: lithium battery 5v dc play time: 2-3 hours degree of separation: 80db signal to noise ratio: 80db frequency response: 90hz-20khz package include: 1 x radio 1 x cable 1 x user manualmaterial:metal color: red, blue size:11*7*2
Italia
8699999809265137 €
-
0)output impedance: 4-8ohmcurrent: more than 3asignal to noise ratio: 100dbweight: 21gla confezione include:1 modulo amplificatore(gli altri articoli non sono inclusi)parametro:chip: tpa3110condition: xh-a232application: computersupply voltage: dc8v-26vdissipation power: 30w+30wsize: 53*45*14mmchannels: 2 (2
Italia
5550000190734863 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:1high-temperature fiber material, fine and softwear the wig and adjust the lookuse a dry towel to absorb the moisture of the wig and let it dry naturally;5size may be 2cm/1 inch inaccuracy due to hand measureafter 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4weight may be 5-10g inaccuracy due to hand measurestore the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outitem type: synthetic wigscolors: black,brownweight: 160glength: 9 inchmaterial: high temperature fiberpermed: cant permedfeatures:1package included:1 x synthetic wigs2 x hairnetnotice:1comb the wig smoothly;2the new item may be odorous a bit, you can put it in ventilation places for two days before you use itit may loose its style due to long transport, but it will recover the shape after washing and drying itenjoy your beautiful hairstyleeasy to wear,comes with a hairnetdiy your hairstyle according to personal needsthe color may be slightly different from the pictures caused by many factors, such as brightness of your monitor and light brig
Italia
389900016784668 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:1high-temperature fiber material, fine and softwear the wig and adjust the lookuse a dry towel to absorb the moisture of the wig and let it dry naturally;5size may be 2cm/1 inch inaccuracy due to hand measurethe color may be slightly different from the pictures caused by many factors, such as brightness of your monitor and light brightnesitem type: synthetic wigscolors: blackweight: 200glength: 28 inchmaterial: high temperature fiberpermed: cant permedfeatures:1after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4weight may be 5-10g inaccuracy due to hand measurestore the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outcomb the wig smoothly;2the new item may be odorous a bit, you can put it in ventilation places for two days before you use itit may loose its style due to long transport, but it will recover the shape after washing and drying itenjoy your beautiful hairstyleeasy to wear,comes with a hairnetdiy your hairstyle according to personal needspackage included:1 x synthetic wigs1 x hairnetnotice:1
Italia
3806999969482422 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;32 inchmaterial: high temperature fiberpermed: cant permedfeatures:1wear the wig net caphow to wash and store wigs:1weight may be 5-10g inaccuracy due to hand measurehigh-temperature fiber material, fine and softwear the wig and adjust the lookthe color may be slightly different from the pictures caused by many factors, such as brightness of your monitor and light brightnitem type: synthetic wigscolors: blackweight: 230glength: 26store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holdersize may be 2cm/1 inch inaccuracy due to hand measureenjoy your beautiful hairstyleafter 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4it may loose its style due to long transport, but it will recover the shape after washing and drying iteasy to wear,comes with a hairnetaffix the hair piece to ensure that the hair does not leak outcomb the wig smoothly;2the new item may be odorous a bit, you can put it in ventilation places for two days before you use ituse a dry towel to absorb the moisture of the wig and let it dry naturally;5package included:1 x synthetic wigs1 x hairnetnotice:1diy your hairstyle according to personal needs
Italia
3991999816894531 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:1package included:1 x synthetic wigs1 x hairnetenjoy your beautiful hairstylehigh-temperature fiber material, fine and softwear the wig and adjust the lookuse a dry towel to absorb the moisture of the wig and let it dry naturally;5after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outcomb the wig smoothly;2item type: synthetic wigscolors: blackweight: 240 glength: 70 cm / 2756 inchmaterial: high temperature fiberpermed: cant permedfeatures:1easy to wear,comes with a hairnetdiy your hairstyle according to personal needs
Italia
15869999885559082 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:1package included:1 x synthetic wigs1 x hairnet83 inchwig head circumference: 57 cm / 22high-temperature fiber material, fine and softwear the wig and adjust the lookuse a dry towel to absorb the moisture of the wig and let it dry naturally;5after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outdiy your hairstyle according to personal needscomb the wig smoothly;244 inchmaterial: high temperature fiberpermed: cant permedfeatures:1enjoy your beautiful hairstyleeasy to wear,comes with a hairnetitem type: synthetic wigscolors: blackweight: 280 glength: 58 cm / 22
Italia
3266999816894531 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:172 inchmaterial: high temperature fiberpermed: cant permedfeatures:1package included:1 x synthetic wigs1 x hairnethigh-temperature fiber material, fine and softwear the wig and adjust the lookuse a dry towel to absorb the moisture of the wig and let it dry naturally;5after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outitem type: synthetic wigscolors: blackweight: 180 glength: 45 cm / 17comb the wig smoothly;2enjoy your beautiful hairstyleeasy to wear,comes with a hairnetdiy your hairstyle according to personal needs
Italia
14930000305175781 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:1package included:1 x synthetic wigs1 x hairnet83 inchwig head circumference: 57 cm / 22high-temperature fiber material, fine and softwear the wig and adjust the look44 inchmaterial: high temperature fiberpermed: can't permedfeatures:1use a dry towel to absorb the moisture of the wig and let it dry naturally;5after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outdiy your hairstyle according to personal needscomb the wig smoothly;2enjoy your beautiful hairstyleeasy to wear,comes with a hairnetitem type: synthetic wigscolors: blackweight: 280 glength: 58 cm / 22
Italia
324900016784668 €
-
Add special wig care solution or shampoo in cold water according to the ratio of 1:10, put in the wig and soak for 15 minutes;3wear the wig net caphow to wash and store wigs:1package included:1 x synthetic wigs1 x hairnethigh-temperature fiber material, fine and softwear the wig and adjust the lookuse a dry towel to absorb the moisture of the wig and let it dry naturally;5after 15 minutes, gently wash the wig by hand, comb it smoothly, and rinse the wig again;4store the wig in the black mesh bag that was covered on the outside of the wig when you received it, to prevent the wig from being frizzy or contaminated, and put it in the storage box or wig holderaffix the hair piece to ensure that the hair does not leak outitem type: synthetic wigscolors: blackweight: 180 glength: 45 cm / 17diy your hairstyle according to personal needscomb the wig smoothly;2enjoy your beautiful hairstyleeasy to wear,comes with a hairnet72 inchmaterial: high temperature fiberpermed: can't permedfeatures:1
Italia
14850000381469727 €