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SAW Filter a Wɔde Yɛ Adwuma

Surface Acoustic Wave (SAW) Filters yɛ solid-state electronic mfiri a ɛde acoustic wave propagation di dwuma de yi radio frequency nsɛnkyerɛnne. Wɔn di mu wɔ mpɛn dodow a wɔde wɔn ani asi so a wɔpaw bere a wɔpow ntwitwiridii ne dede no mu, na ɛma wotumi gyina pintinn kɛse na wotumi de ho to so wɔ ade a ɛyɛ ketewaa a wɔahyɛ da ayɛ mu. Wɔde saa filters yi di dwuma kɛse wɔ GPS akwantuo, TDD/FDD nkitahodi nhyehyɛe, AI chips, ne low-loss RF applications mu, na ɛma mfasoɔ te sɛ low amplitude ripple, sharp out-of-band rejection, stable group delay, ne enhanced ESD protection.

 

Wo Nnwumayɛfoɔ SAW Filter Supplier
 

Suzhou Hangjing Elec & Tech Co., Ltd., a wɔde sii hɔ wɔ afe 2014 mu no yɛ mfiridwuma-a wɔde di dwuma nketewa ne akɛse{4}}adwumakuw (SME) a ​​ɛyɛ adwuma titiriw wɔ -spectrum R&D a edi mũ, nhyehyɛe, ne yɛ, ne quartz frequency control afã horow a wɔtɔn mu. Adwumakuw no agye ntini wɔ adwumayɛfo kuw ne nneɛma a wɔyɛ ho nimdeɛ a ɛkɔ anim mu, na wɔayɛ nneɛma a ɛyɛ den a ɛka quartz crystals, crystal oscillators, TCXO, VCXO, OCXO, crystal filters-fi fapem afã horow so kosi nhyehyɛe ahorow a wɔahyɛ da ayɛ so.

 

 
 
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RF SAW Bandpass Filter 3 X 3 X 1.25

 

 

RF SAW Bandpass Filter yɛ ade titiriw wɔ radio frequency nhyehyɛe mu a ɛma frequency ahorow pɔtee bi twam bere a ɛtew nsɛnkyerɛnne a ɛwɔ saa kwan yi akyi no ase. Saa filters yi ho hia na ama wɔahwɛ ahu sɛ nsɛnkyerɛnne no mu da hɔ, brɛ ntwitwiridii ase, na ɛma adwumayɛ yɛ yiye wɔ wireless nkitahodi, broadcasting, radar, ne satellite nhyehyɛe ahorow mu.

 

Adeɛ

Nsɛm a Wɔakyerɛkyerɛ mu

Ɔfa

Frequency Range a Wɔde Di Dwuma

fc

100 ~ 3600MHz na ɛyɛ adwuma

MHz

Standard Frequency a Wɔde Di Dwuma

 

1575.42, 1582.4,1568,2655

MHz

Band Width a Mfaso wɔ so

 

3,25,48 anaasɛ kyerɛ

MHz

Nneɛma a Wɔde Hyehyɛ Mu ( min) .

IL

0.9,1.3,1.8, 2.2 anaa kyer

dB

VSWR (max) .

2.0

dB

Adwumayɛ mu Ɔhyew a Ɛwɔ Hɔ

−40~+85

anoɔden

Ɔhyew a Wɔde Sie

−40~+85

anoɔden

 

Nneɛma a ɛwɔ RF SAW Bandpass Filter 3 X 3 X 1.25 mu
 

Mpɛn dodow a Wɔpaw
Bandpass filter botae titiriw ne sɛ ɛbɛma bandwidth a ɛfata a ɛbɛma frequency ahorow a wɔpɛ no afa mu bere a esiw nea wɔmpɛ nyinaa kwan koraa. Saa su yi kyerɛ sɛ filters tumi paw frequency ahorow a ɛwɔ range bi mu pɛpɛɛpɛ na ɛma ɛho hia wɔ telecommunications, sensing, ne signal processing mu.

 

Bandwidth a ɛwɔ hɔ
Wɔkyerɛ bandwidth ase sɛ frequency ahorow a filter ma kwan ma ɛfa mu. Bandpass filters a ɛtrɛw tumi ma kwan ma frequency ahorow a ɛsõ sen biara, bere a nea ɛyɛ teateaa no ma kwan ma ɛkɔ baabi ketewaa bi pɛ. Application a filter a wɔde di dwuma no na ɛkyerɛ bandwidth a wɔhwehwɛ. Sɛ nhwɛso no, wideband filters ho wɔ mfaso wɔ nkitahodi nhyehyɛe ahorow a ɛde frequency akwan pii kɔ mu, bere a narrowband filters ho hia wɔ susuw nhyehyɛe ahorow a ɛyɛ pɛpɛɛpɛ mu.

 

Nneɛma a Wɔde Hyehyɛ Mu
Eyi ne tumi dodow a sɛnkyerɛnne no yera bere a sɛnkyerɛnne bi fa filter bi mu no. Lower insertion loss kyerɛ sɛ wɔkora mfitiase sɛnkyerɛnne tumi no mu pii so bere a wɔafa filter no mu akyi. Saa ade yi ho hia kɛse wɔ nkitahodi nhyehyɛe ahorow mu, baabi a sɛnkyerɛnne ahoɔden a wɔbɛkora so ho hia ma nkrasɛm a emu da hɔ na wotumi de ho to so.

 

Pow a wɔpow
Bandpass filters siw frequency a wɔmpɛ no ano koraa, na wɔsan frɛ eyi sɛ "out-of-band rejection." Wɔfrɛ tumi a wotumi siw frequency harmonics a wɔmpɛ ne atoro nsɛnkyerɛnne ano no sɛ pow. Ɛyɛ su a wɔpɛ wɔ RF filters mu efisɛ esiw ntwitwiridii a ɛba sɛnkyerɛnne a wɔpɛ no ano na wɔhwɛ hu sɛ filter no ma kwan ma bandwidth a wɔapaw no nkutoo fa mu.

 

Q Factor
Quality factor a wɔtaa frɛ no Q factor no yɛ ade a wɔde susuw sɛnea filter bi tumi paw nneɛma. Q factor a ɛkorɔn kyerɛ sɛ frequency selectivity a eye na bandwidth a ɛba fam. Wɔpɛ filters a Q a ɛkorɔn wɔ application ahorow a ɛhwehwɛ sɛ wɔpaw frequency pɛpɛɛpɛ, te sɛ radar nhyehyɛe ne RF receivers mu. Nanso, saa filters yi taa da insertion loss pii adi wɔ bandwidth anohyeto ahorow mu.

 

RF SAW Bandpass Filter no su 3 X 3 X 1.25

 

Cavity Bandpass Nneɛma a Wɔde Yɛ Adwuma

Cavity bandpass filter yɛ RF filter a ɛde resonance properties a ɛwɔ cavity no mu di dwuma de nya bandwidth a wɔpɛ. Wɔde nneɛma a wɔpɛ te sɛ frequency a ɛyɛ teateaa yiye ne frequency a wɔmpɛ a wɔpow kɛse na ɛhyɛ wɔn agyirae. Wɔsan nso yɛ nea ɛtra hɔ kyɛ kɛse na wɔde di dwuma kɛse wɔ nhyehyɛe ahorow a ɛhwehwɛ sɛ wɔde yiyi mu denneennen mu, sɛ nhwɛso no, wɔ wimhyɛn ne telefon so nkitahodi nhyehyɛe ahorow mu.

Ceramic Bandpass Nneɛma a Wɔde Yɛ Nneɛma

Ceramic BPS de piezoelectric ceramics di dwuma de yɛ bandpass filters a ɛyɛ ketewa na ɛho ka yɛ den-etu mpɔn. Wɔde ahotoso kɛse ma bere a ɛfa adwumayɛ a egyina pintinn wɔ tebea horow a enye mu ma nneɛma afoforo a ɛyɛ semiconductor no. Mpɛn pii no, beae titiriw a wɔde dɔte afiri a wɔde yiyi nneɛma mu di dwuma ne nkitahodi a wɔmfa nhama nkɔ, efisɛ wonim saa nhyehyɛe ahorow yi sɛ wɔayɛ no ketewaa na ɛtew ɛka a wɔbɔ wɔ ne yɛ ho.

Wideband ne Narrowband Nneɛma a Wɔde Yɛ Nneɛma

Wideband filters twa frequency ahorow pii a ɛkyerɛ sɛ wobetumi agye nsɛnkyerɛnne pii bere koro mu. Nhwɛso a eye sen biara ne nkitahodi nhyehyɛe ahorow a ɛsɛ sɛ obi de frequency akwan pii kɔ bere koro mu. Narrowband filters twa frequency ketewaa bi so na ɛwɔ tumi kɛse a ɛma wogyina wɔ bandwidth ho ka. Afei nso, wɔyɛ papa ma dwumadie a ɛhia sɛ wɔyi frequency baako pɛ, te sɛ wɔ precision measurement systems mu.

Lumped Element Bandpass Nneɛma a Wɔde Yɛ Adwuma

Lumped element bandpass filters yɛ ɛlɛtrɔnik nneɛma a ɛnyɛ den a wɔayɛ ho nhwɛso wɔ capacitance ne inductance so. Wɔn nhyehyeɛ ye ma low-frequency applications ne radio nkitahodi a ɛhia filtering ma frequency ranges kakraa bi a wɔtaa de di dwuma. Wɔn kɛse a wɔtew so bio no kyerɛe sɛ wɔtaa de saa mfiri a wɔde yiyi nneɛma yi di dwuma wɔ mfiri nketewa te sɛ fon ne pager mu.

 

RF SAW Bandpass Filter 3 X 3 X 1.25 a wɔde di dwuma

 

Nkitahodi Nhyehyɛe Ahorow
Wɔ nkitahodi nhyehyɛe ahorow no mu no, bandpass filters ma kwan ma wɔfa saa signal frequencies a mfaso wɔ so bere a ɛpow afoforo nyinaa no nkutoo. Bio nso, wɔboa ma wɔtetew akwan horow mu wɔ spectrum a nnipa ahyɛ mu ma mu, na wɔnam saayɛ so siw nea ɛka bom ano na ɛboa ma emu da hɔ na ɛma nsɛnkyerɛnne a wɔde mena no tumi tu mpɔn. Nkitahodi nhyehyɛe a wɔde nhama ne nhama ayɛ nyinaa de saa mfiri yi di dwuma de ma nsɛnkyerɛnne no mudi mu kura yɛ kɛse na ɛtew dede so. Sɛ ɛnyɛ wɔn a, anka nkitahodi nhyehyɛe ahorow no bɛyɛ adwuma a ɛtwetwe adwene kɛse, na ɛbɛma data ayera na adwumayɛ so atew.

 

Ahunmu ne Ahobammɔ
Bandpass filters yɛ nneɛma a ɛho hia wɔ RF nhyehyɛe te sɛ radar ne aprɛm akwankyerɛ wɔ ahunmu ne ahobammɔ nnwuma mu. Ɛsɛ sɛ saa nhyehyɛe ahorow yi yɛ adwuma wɔ mmeae a radio frequency ntwitwiridii kɛse wɔ hɔ na ama wɔahu nsɛnkyerɛnne a wɔpɛ. Wɔde cavity ne ceramic filters di dwuma de ma botae a wohu no pɛpɛɛpɛ na wotumi de ho to so no tu mpɔn. Bandpass filters di dwuma titiriw wɔ avionic nhyehyɛe ahorow mu baabi a ɛhwɛ ma nkitahodi ne akwantu nhyehyɛe ahorow no gyina pintinn denam frequency ahorow a wɔmpɛ a wɔde yiyi mu no so.

 

Aduruyɛ mu Nnwinnade
Aduruyɛ mu mfoninitwa mfiri te sɛ MRI ne ultrasound, ne nnuruyɛ mfiri afoforo a wɔmfa nhama nkɔ mu de bandpass filters di dwuma de gyina nsɛnkyerɛnne a ɛkyerɛ sɛ wɔahu yare no mu pefee so. Wɔ aduruyɛ mu mfoninitwa mu no, saa mfiri a wɔde yiyi nneɛma yi ma nsonsonoe da sɛnkyerɛnne a wɔpɛ no ntam wɔ anyinam ahoɔden a ɛtwetwe dede a ɛwɔ akyi no ntam, na ɛma mfonini no yɛ papa. RF bandpass filters hwɛ hu sɛ wireless aduruyɛ mfiri ahorow de ayarefo ho nsɛm a ɛho hia di nkitaho a biribiara ntwitware radio frequency spectrum no mu.

 

Nnwumayɛbea a Wɔde Hwɛ Nneɛma So
Wɔde bandpass filters di dwuma ma sensor nhyehyɛe ahorow a ɛhwɛ wosow, ɔhyew, ne nhyɛso wɔ mfiridwuma tebea horow mu. Ɛsɛ sɛ saa nhyehyɛe ahorow yi yɛ adwuma wɔ mmeae a anyinam ahoɔden a ɛtwetwe nneɛma pii wɔ hɔ. Wɔde filters di dwuma de tetew nsɛnkyerɛnne a wɔn ani gye ho no fi saa ntwitwiridii no nyinaa ho. Wɔma nhyehyɛe ahorow a wɔde hwɛ nneɛma so no yɛ pɛpɛɛpɛ na wotumi de ho to so na ɛma nhyehyɛe no yɛ adwuma yiye denam atoro akenkan a dede de ba a wosiw ano no so.

RF SAW Bandpass Filter 3 X 3 X 1.25

 

Sɛnea Wobɛhyehyɛ RF SAW Bandpass Filter 3 X 3 X 1.25

 

Nnwinnade a Wɔhwehwɛ
RF bandpass filter a wɔde besisi hɔ no hwehwɛ sɛ wɔde nsa nnwinnade atitiriw a wɔde bɛpaapae mu na wɔayɛ no foforo akɔ ɛlɛtrɔnik nhyehyɛe ahorow mu. Ebia obi behia skrudraever, safe, ne pliers, a egyina ne mfiri no su pɔtee so. Nneɛma foforɔ a wobɛtumi apaw ne multimeter a wɔde bɛsɔ ahwɛ, anti-static wrist strap a ɛbɛsi electrostatic discharge ano, ne filter installation akwankyerɛ a ɛfa ne filtering ahwehwɛdeɛ ne mfiridwuma ho nkyerɛkyerɛmu ho.

 

Filters Dedaw a Wobeyi Afi Hɔ
Sɛ filters bi wɔ hɔ a ɛwɔ hɔ dedaw a ɛsɛ sɛ RF bandpass filter no sesa a, ɛho behia sɛ obi de ahwɛyiye yi fi hɔ. Wei kyerɛ sɛ ɛsɛ sɛ wodi kan dum ahoɔden a ɛkɔ nhyehyɛe no mu no, na afei ɛsɛ sɛ ɔma anyinam ahoɔden biara fi ne nsateaa mu ahama a ɔbɛhyɛ no so. Fa nnwinnade a ɛfata di dwuma, hwehwɛ mprempren filter no, na twe no brɛoo fi ne dan mu anaasɛ twa fi circuit no mu.

 

Filter Foforo no a wode bɛhyɛ mu
Sɛ woyi filter dedaw no wie a, ade a edi hɔ ne sɛ wode RF bandpass filter foforo no bɛhyɛ nea ɛwɔ hɔ no mu. Sɛ ɛnyɛ filter foforo biara a wɔbɛsesa anaasɛ wɔrennya baabi mma filter foforo a, hwɛ hu sɛ wɔde filter no ahyɛ ne dan mu yiye anaasɛ wɔde abata circuit no ho denneennen. Hwɛ sɛnea filter no kyerɛ no yiye na ama woahwɛ ahu sɛ input ne output terminals no ne system no signal kwan a ɛteɛ no hyia. Fa nkakrankakra na fa brɛoo bata terminals no ho na hwɛ hu sɛ ɛbɛhyɛ yiye.

 

Nhyehyɛe no a Wɔresɔ Ahwɛ
Sɛ wɔde hyɛ mu wie a, ɛsɛ sɛ wɔsɔ bandpass filter foforo no hwɛ na ama wɔahu sɛ ɛreyɛ adwuma yiye anaa. Nea edi kan no, san hyɛ nhyehyɛe no mu ahoɔden bere a woahwɛ ahu sɛ wɔde filter no abɔ mu yiye na nneɛma a ɛwom no nyinaa wɔ nea ɛwɔ hɔ no akyi. Afei, hwɛ nhyehyɛe no ntamgyinafo anaa mfiri a wɔde hwɛ nneɛma a ɛka bom no so hwɛ sɛ biribiara a ɛkyerɛ sɛ sɛnkyerɛnne no yɛ nokware anaa. Bio nso, yɛ diagnostic checks bi na hwɛ sɛ filter no yɛ adwuma yiye na system no yɛ adwuma wɔ bandwidth ranges a wopɛ no mu. Susuw ho sɛ wode multimeter bedi dwuma de asusuw sɛnkyerɛnne ahoɔden na woahwɛ sɛ ebia adehwere anaasɛ biribiara asiw mu anaa.

 

 

RF SAW Bandpass Filter a wɔhwɛ so yiye 3 X 3 X 1.25

Nhwehwɛmu a Wɔyɛ Daa
Hwɛ filter no ne nnwinnade a atwa ho ahyia no mu daa na woahu sɛnkyerɛnne ahorow a ɛkyerɛ sɛ asɛe, honam fam asɛe, anaasɛ asɛe a ebetumi aka filter no adwumayɛ bere tenten. Hwɛ yiye sɛ nkitahodi ahorow a ayɛ mmerɛw, nhama a asɛe, anaasɛ nneɛma a asɛe a ɛbɛtra filter no so anaa. Bio nso, hwɛ sɛ nneɛma a atwa yɛn ho ahyia te sɛ nsu, mfutuma, anaa ɔhyew a ano yɛ den a ebetumi aka sɛnea filter no yɛ adwuma anaa.

 

Adwumayɛ a Wɔhwɛ So
Ɔkwan biako a etu mpɔn a wɔfa so siw RF bandpass filter no asɛe ano ne sɛ wobɛhwɛ ne dwumadi yiye bere nyinaa. Wei kyerɛ sɛ ɛsɛ sɛ obi hwɛ sɛnkyerɛnne ahoɔden, bandwidth, ne interference levels wɔ system no mu. Sign ahoɔden a ɛkɔ fam biara, bandwidth a ɛtrɛw, anaasɛ interference a ɛkɔ soro no kyerɛ sɛ ebia filter bi anyɛ adwuma yiye. Fa nhwehwɛmu nnwinnadeɛ susuw nsusuiɛ titire na fa toto abakɔsɛm mu data nsusuiɛ ho de boa ma wɔhunu adwumayɛ mu ɔsɛeɛ.

 

Nneɛma a Atwa Yɛn Ho Ahyia a Wɔhwɛ So
Nneɛma a atwa yɛn ho ahyia te sɛ ɔhyew a ano yɛ den, ɔhyew, ne mfutuma betumi aka RF bandpass filter adwumayɛ. Sɛnea ɛbɛyɛ a wobɛhwɛ ahu sɛ wotumi de ho to so bere tenten-, bɔ mmɔden sɛ wode nhyehyɛe no bɛto mmeae a wɔahyɛ so a ɛnyɛ den koraa sɛ wobehu amane wɔ tebea horow a yɛaka ho asɛm wɔ atifi hɔ no ho. Bio nso, ɔkwan biako a etu mpɔn kɛse ne sɛ wɔde afiri a wɔde yiyi mu anaa nea wɔde kata so bedi dwuma na amma efĩ antumi anka afiri a wɔde yiyi mu no.

 

Nsakrae a Wɔakyerɛw
Nsakraeɛ a ɛba wɔ nhyehyɛeɛ mu nyinaa a ɛfa RF bandpass filter no ho a wɔbɛkyerɛw no ma wonya beaeɛ a wɔbɛhwɛ so ama daakye nsiesie ne ɔhaw ano aduru adwuma. Kyerɛw nsakrae biara ho nsɛm, te sɛ filter a wɔasesa, nsakrae a aba wɔ nhyehyɛe mu, nna a wɔde bɛhyɛ mu, ne adwumayɛfo a wɔde wɔn ho ahyɛ mu. Sɛ wɔkyerɛw nsɛm a ɛkɔ akyiri a, ɛboa ma wɔkyekye nhyehyɛe no ho abakɔsɛm, a ebetumi ayɛ nea mfaso wɔ so wɔ ɔhaw ahorow nhyehyɛe ahorow a wobehu anaasɛ bere a na ɛho hia sɛ wɔyɛ nsakrae no mu.

 

Adansedi nkrataa

 

 

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FAQ

 

Asɛmmisa: Katua?

A: 30% deposit ne 70% balance ansa na wɔde amena.

Asɛmmisa: Ɔkwan bɛn so na bandpass filter yɛ adwuma?

A: Bandpass filter ma kwan ma frequency ahorow bi fa mu bere a esiw afoforo nyinaa kwan no. Ɛka dwumadie a ɛwɔ low-pass filter ne high-pass filter no bom, na ɛma kwan ma bandwidth a wɔpɛ nko ara fa mu.

Asɛmmisa: Dɛn ne afã atitiriw abiɛsa a ɛwɔ bandpass filter mu?

A: Ɛwɔ ɔfa a ɛba fam-twam, ɔfa a ɛtwam a ɛkorɔn-twam, ne ɔfa a ɛyɛ resonant a ɛkyerɛ na ɛpaw frequency range a wɔpɛ. Filters wɔ design ahodoɔ nanso wɔtaa de inductors, capacitors, ne resistors di dwuma wɔ analog filters ne piezoelectric elements wɔ RF filters mu.

Asɛmmisa: Dɛn na wɔde bandpass filter di dwuma?

A: Wɔde bandpass filters di dwuma wɔ application ahorow te sɛ audio processing mu. Woyi frequency extremes a ɛwɔ audio signal no mu bere a wɔkora midrange frequency ahorow no so ma nnyigyei no mu da hɔ yiye. Wɔ nkitahodi nhyehyɛe mu no, BP yiyi nsɛnkyerɛnne mpɛn dodow a ɛtetew mu na ama wɔakwati ntwitwiridii na wɔhwɛ hu sɛ wɔde nsɛnkyerɛnne no bɛkɔ a wotumi de ho to so.

Asɛmmisa: Dɛn ne bandpass filter a ɛwɔ nkitahodi nhyehyɛe ahorow mu no atirimpɔw?

A: BP filters di dwuma titiriw wɔ nkitahodi nhyehyɛe ahorow mu denam radio nsɛnkyerɛnne a ɛma ɛfa mu bere a esiw dede ne ntwitwiridii a wɔmpɛ ano no so. Wɔhwɛ hu sɛ sɛnkyerɛnne a wɔanya no mu da hɔ na ɛwɔ frequency a wɔpɛ no mu.

Yɛyɛ adwumayɛfo saw filter manufacturers ne suppliers wɔ China, de nneɛma a ɛkorɔn a wɔayɛ no sɛnea wɔpɛ a ne bo a ɛba fam ma. Sɛ worekɔ wholesale discount saw filter, akwaaba sɛ wubenya quotation ne free sample fi yɛn factory.