Toetoetra:
- DC ~ 40GHZ
- Hafainganam-pandeha avo lenta
- VYWR ambany
Ny SP2T PIN Switch dia karazana rf / microwave switch izay manana seranan-tsambo iray sy seranan-tsambo roa. Ny SP2T Mederm State Switch dia mamela ny mpampiasa hisafidy eo anelanelan'ny lalana roa samy hafa na hampifandray / hampifandray ireo singa na boribory roa. Ao amin'ny Diode Diode SP2T, PIN DogiDes dia ampiasaina ho ireo singa mifamadika. Ny diodes PIN dia karazana diode izay manana faritra intrinsic (Undoped) eo anelanelan'ny faritra P-Type sy N-Karazana. Izy ireo dia matetika ampiasaina amin'ny rindranasa RF sy Microwave noho ny hafainganam-pandehany haingana, ny fahaverezam-bidy ambany, ny fitokonana avo, ny fitokanana ary ny firaisankina tsara.
1. Fanjakana roa: Ny Diode Broadband Pin Diod Switch dia manana fanjakana roa samy hafa, izay afaka mifantina faribolana roa samihafa.
2. Ampitomboy ny fahaiza-manao fifehezana: ny switch Wideband Pin dia azo ampiasaina hampitombo ny fahaiza-mifehy ny faribolana, izay mamela ny mpanara-maso tokana mba hifehezana ireo faritra maro.
3. Ny fahatsorana sy ny fandanjalanjana: raha ampitahaina amin'ny switch hafa, ny switch switch switch dia manana rafitra tsotra sy fandanjalanjana bebe kokoa.
4. Ny fahatokisana avo: Ny fitokonana avo lenta dia misy fahatokisana avo lenta noho ny firafitry sy ny fiasa azo itokisana.
Ny fampiharana ny SP2T Switch dia be dia be, toy ny eny an-tsaha toy ny elektronika automatique, onjam-peo, onjam-peo, sns Wave, ny onjam-peo SP2T SP2T Amin'ny elektronika fiara automatique, ny switch swt electromecheka Switch dia ampiasaina amin'ny fifehezana ny jiro fanondroana sy ny fandehanana amin'ny alàlan'ny fiara mitondra fiara. Ao amin'ny sehatry ny Aerospace, ny SWTG Switch dia ampiasaina mba hifehezana ny toe-tsaina fanitsiana ny fiaramanidina, sns. Manome vahaolana tsotra sy azo itokisana ary ambany izy io, raha ny fanomezana ny mpamorona sy injeniera ihany koa dia manana safidy tsara sy fahaiza-mifehy.
QualwaveInc. SP2T PIN DIODE Switches miasa ao amin'ny DC ~ 40GHZ, miaraka amin'ny fotoana fanefitra farany 12ms. Manome switch subitche mahazatra izahay, ary koa ny switged namboarina araka ny fepetra takiana.
Laharana ampahany | hatetika(GHZ, Min.) | hatetika(GHZ, max.) | Absorptive / misaintsaina | Fotoam-potoana(NS, Max.) | fahefana(W) | Fitokana-monina(DB, min.) | Fatiantoka fampidirana(db, max.) | Vswr(Max.) | Fe-potoana(Herinandro) |
---|---|---|---|---|---|---|---|---|---|
Qps2-0-6000-r | DC | 6 | hisainana | 150 | 39.8 | 23 | 1.3 | 1.5 | 2 ~ 4 |
Qps2-0.009-6000-a | 9K | 6 | Absorptive | 100 | 0.316 | 60 | 3.5 | 1.6 | 2 ~ 4 |
Qps2-0.95-200-A | 950k | 0.2 | Absorptive | 1000 | 2 | 40 | 1 | 1.5 | 2 ~ 4 |
Qps2-0.95-200-r | 950k | 0.2 | hisainana | 100 | 3 | 40 | 1 | 1.5 | 2 ~ 4 |
Qps2-10-3000-r | 0.01 | 3 | hisainana | 150 | 39.8 | 40 | 1.3 | 1.5 | 2 ~ 4 |
Qps2-10-6000-a-1 | 0.01 | 6 | Absorptive | 150 | 1 | 60 | 2.5 | 2 | 2 ~ 4 |
Qps2-10-6000-r | 0.01 | 6 | hisainana | 150 (typ.) | 50.1 | 35 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-10-8000-a-1 | 0.01 | 8 | Absorptive | 150 | 1 | 60 | 2.5 | 2 | 2 ~ 4 |
Qps2-10-8000-r-1 | 0.01 | 8 | hisainana | 150 | 1 | 75 | 2 | 2 | 2 ~ 4 |
QPS2-10-12000-A-1 | 0.01 | 12 | Absorptive | 150 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-10-12000-r-1 | 0.01 | 12 | hisainana | 150 | 1 | 70 | 2.3 | 2 | 2 ~ 4 |
Qps2-10-18000-A-1 | 0.01 | 18 | Absorptive | 150 | 1 | 60 | 3.8 | 2 | 2 ~ 4 |
Qps2-10-18000-r-1 | 0.01 | 18 | hisainana | 150 | 1 | 65 | 3 | 2 | 2 ~ 4 |
Qps2-10-20000-A-1 | 0.01 | 20 | Absorptive | 150 | 1 | 60 | 4.2 | 2 | 2 ~ 4 |
Qps2-10-20000-r-1 | 0.01 | 20 | hisainana | 150 | 1 | 65 | 3.2 | 2 | 2 ~ 4 |
Qps2-14-1000-a | 0.014 | 1 | Absorptive | 3500 | 5 | 65 | 1.5 | 1.6 | 2 ~ 4 |
Qps2-20-6-r | 0.02 | 6 | hisainana | 3us | 5 | 30 | 1 | 2 | 2 ~ 4 |
Qps2-30-500-r | 0.03 | 0.5 | hisainana | 1000 | 50 | 55 | 0.3 | 1.5 | 2 ~ 4 |
Qps2-100-4000-a | 0.1 | 4 | Absorptive | 100 | - | 35 | 1.8 | 1.2 | 2 ~ 4 |
Qps2-100-18000-A-1 | 0.1 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-100-18000-r-1 | 0.1 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-100-20000-A-1 | 0.1 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-100-20000-r-1 | 0.1 | 20 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-300-18000-a | 0.3 | 18 | Absorptive | 35 | 0.1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-400-8000-A-1 | 0.4 | 8 | Absorptive | 100 | 1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-400-8000-A-2 | 0.4 | 8 | Absorptive | 100 | 1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-400-8000-r-1 | 0.4 | 8 | hisainana | 100 | 1 | 70 | 1.8 | 1.5 | 2 ~ 4 |
QPS2-400-12000-A-1 | 0.4 | 12 | Absorptive | 100 | 1 | 70 | 2.4 | 1.5 | 2 ~ 4 |
QPS2-400-12000-A-2 | 0.4 | 12 | Absorptive | 100 | 1 | 70 | 2.4 | 1.5 | 2 ~ 4 |
QPS2-400-12000-R-1 | 0.4 | 12 | hisainana | 100 | 1 | 70 | 2.2 | 1.5 | 2 ~ 4 |
Qps2-500-2500-r | 0.5 | 2.5 | hisainana | 12000000 | 15 | 45 | 1 | 1.5 | 2 ~ 4 |
Qps2-500-18000-A-1 | 0.5 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-500-18000-A-2 | 0.5 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-500-18000-r-1 | 0.5 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-500-18000-r-2 | 0.5 | 18 | hisainana | 100 | 1 | 70 | 2.8 | 2 | 2 ~ 4 |
Qps2-500-20000-a-1 | 0.5 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-500-20000-A-2 | 0.5 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-500-20000-A-3 | 0.5 | 20 | Absorptive | 35 | 0.1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-500-20000-r-1 | 0.5 | 20 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-500-20000-r-2 | 0.5 | 20 | hisainana | 100 | 1 | 70 | 3 | 2 | 2 ~ 4 |
Qps2-500-40000-a-1 | 0.5 | 40 | Absorptive | 50 | 0.2 | 65 | 5.5 | 2.5 | 2 ~ 4 |
Qps2-500-40000-a-2 | 0.5 | 40 | Absorptive | 50 | 0.2 | 80 | 5.8 | 2.5 | 2 ~ 4 |
Qps2-500-40000-r-1 | 0.5 | 40 | hisainana | 50 | 0.2 | 65 | 4.5 | 2.5 | 2 ~ 4 |
QPS2-800-18000-A-1 | 0.8 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
QPS2-800-18000-A-2 | 0.8 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-800-18000-r-1 | 0.8 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
QPS2-800-20000-A-1 | 0.8 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-800-20000-A-2 | 0.8 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-800-20000-A-3 | 0.8 | 20 | Absorptive | 40 | 0.1 | 60 | 3 | 2 | 2 ~ 4 |
QPS2-800-20000-A-4 | 0.8 | 20 | Absorptive | 35 | 0.1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-800-20000-r-1 | 0.8 | 20 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-1000-2000-a-1 | 1 | 2 | Absorptive | 100 | 1 | 80 | 1 | 1.5 | 2 ~ 4 |
Qps2-1000-2000-A-2 | 1 | 2 | Absorptive | 100 | 1 | 80 | 1 | 1.4 | 2 ~ 4 |
Qps2-1000-2000-A-3 | 1 | 2 | Absorptive | 40 | 0.1 | 80 | 1 | 1.5 | 2 ~ 4 |
Qps2-1000-2000-A-4 | 1 | 2 | Absorptive | 35 | 0.1 | 80 | 1 | 1.5 | 2 ~ 4 |
Qps2-1000-2000-r-1 | 1 | 2 | hisainana | 100 | 1 | 80 | 1 | 1.5 | 2 ~ 4 |
Qps2-1000-2000-r-2 | 1 | 2 | hisainana | 100 | 1 | 80 | 1 | 1.5 | 2 ~ 4 |
Qps2-1000-8000-a-1 | 1 | 8 | Absorptive | 100 | 1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-1000-8000-A-2 | 1 | 8 | Absorptive | 100 | 1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-1000-8000-A-3 | 1 | 8 | Absorptive | 40 | 0.1 | 80 | 1.6 | 1.5 | 2 ~ 4 |
Qps2-1000-8000-A-4 | 1 | 8 | Absorptive | 35 | 0.1 | 80 | 1.6 | 1.5 | 2 ~ 4 |
Qps2-1000-8000-r-1 | 1 | 8 | hisainana | 100 | 1 | 70 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-1000-8000-r-2 | 1 | 8 | hisainana | 100 | 1 | 80 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-1000-18000-a-1 | 1 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-1000-18000-A-2 | 1 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-1000-18000-A-3 | 1 | 18 | Absorptive | 40 | 0.1 | 65 | 2.5 | 1.8 | 2 ~ 4 |
Qps2-1000-18000-A-4 | 1 | 18 | Absorptive | 35 | 0.1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-1000-18000-18000-r-1 | 1 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-1000-18000-r-2 | 1 | 18 | hisainana | 100 | 1 | 70 | 2.8 | 2 | 2 ~ 4 |
Qps2-1000-20000-a-1 | 1 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-1000-20000-A-2 | 1 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-1000-20000-A-3 | 1 | 20 | Absorptive | 40 | 0.1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-1000-20000-A-4 | 1 | 20 | Absorptive | 35 | 0.1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-1000-20000-r-1 | 1 | 20 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-1000-20000-r-2 | 1 | 20 | hisainana | 100 | 1 | 70 | 3 | 2 | 2 ~ 4 |
Qps2-1000-40000-a | 1 | 40 | Absorptive | 50 | 0.2 | 65 | 5.5 | 2.5 | 2 ~ 4 |
Qps2-1000-40000-r | 1 | 40 | hisainana | 50 | 0.2 | 65 | 4.5 | 2.5 | 2 ~ 4 |
QPS2-2000-4000-A-1 | 2 | 4 | Absorptive | 100 | 1 | 80 | 1.2 | 1.5 | 2 ~ 4 |
Qps2-2000-4000-A-2 | 2 | 4 | Absorptive | 100 | 1 | 80 | 1.2 | 1.4 | 2 ~ 4 |
Qps2-2000-4000-A-3 | 2 | 4 | Absorptive | 40 | 0.1 | 80 | 1.2 | 1.5 | 2 ~ 4 |
Qps2-2000-4000-A-4 | 2 | 4 | Absorptive | 35 | 0.1 | 80 | 1.2 | 1.5 | 2 ~ 4 |
Qps2-2000-4000-r-1 | 2 | 4 | hisainana | 100 | 1 | 80 | 1.2 | 1.5 | 2 ~ 4 |
Qps2-2000-4000-r-2 | 2 | 4 | hisainana | 100 | 1 | 80 | 1.2 | 1.5 | 2 ~ 4 |
Qps2-2000-8000-r | 2 | 8 | hisainana | 100 | 1 | 80 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-2000-18000-A-1 | 2 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-2000-18000-A-2 | 2 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-2000-18000-A-3 | 2 | 18 | Absorptive | 40 | 0.1 | 65 | 2.5 | 1.8 | 2 ~ 4 |
Qps2-2000-18000-A-4 | 2 | 18 | Absorptive | 35 | 0.1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-2000-18000-r-1 | 2 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-2000-18000-r-2 | 2 | 18 | hisainana | 100 | 1 | 70 | 2.8 | 2 | 2 ~ 4 |
Qps2-2000-20000-A-1 | 2 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-2000-20000-A-2 | 2 | 20 | Absorptive | 100 | 1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-2000-20000-A-3 | 2 | 20 | Absorptive | 40 | 0.1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-2000-20000-A-4 | 2 | 20 | Absorptive | 35 | 0.1 | 60 | 3.5 | 2 | 2 ~ 4 |
Qps2-2000-20000-r-1 | 2 | 20 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-2000-20000-r-2 | 2 | 20 | hisainana | 100 | 1 | 70 | 3 | 2 | 2 ~ 4 |
Qps2-2000-40000-a | 2 | 40 | Absorptive | 50 | 0.2 | 65 | 5.5 | 2.5 | 2 ~ 4 |
Qps2-2000-40000-r-1 | 2 | 40 | hisainana | 50 | 0.2 | 65 | 4.5 | 2.5 | 2 ~ 4 |
Qps2-2000-40000-r-2 | 2 | 40 | hisainana | 50 | 0.2 | 65 | 4.5 | 2.5 | 2 ~ 4 |
Qps2-2700-3100-a | 2.7 | 3.1 | Absorptive | 100 | 1 | 75 | 1.3 | 1.3 | 2 ~ 4 |
Qps2-3000-65000-a-1 | 3 | 6 | Absorptive | 100 | 1 | 80 | 1.4 | 1.5 | 2 ~ 4 |
Qps2-3000-65000-a-2 | 3 | 6 | Absorptive | 100 | 1 | 80 | 1.4 | 1.5 | 2 ~ 4 |
Qps2-3000-65000-A-3 | 3 | 6 | Absorptive | 40 | 0.1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
QPS2-3000-65000-A-4 | 3 | 6 | Absorptive | 35 | 0.1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-3000-65000-r-1 | 3 | 6 | hisainana | 100 | 1 | 70 | 1.6 | 1.5 | 2 ~ 4 |
QPS2-3000-65-000-r-2 | 3 | 6 | hisainana | 100 | 1 | 80 | 1.6 | 1.5 | 2 ~ 4 |
Qps2-4000-8000-a-1 | 4 | 8 | Absorptive | 100 | 1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-4000-8000-A-2 | 4 | 8 | Absorptive | 100 | 1 | 80 | 1.5 | 1.5 | 2 ~ 4 |
Qps2-4000-8000-A-3 | 4 | 8 | Absorptive | 40 | 0.1 | 80 | 1.6 | 1.5 | 2 ~ 4 |
Qps2-4000-8000-A-4 | 4 | 8 | Absorptive | 35 | 0.1 | 80 | 1.6 | 1.5 | 2 ~ 4 |
Qps2-4000-8000-r-1 | 4 | 8 | hisainana | 100 | 1 | 70 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-4000-8000-r-2 | 4 | 8 | hisainana | 100 | 1 | 80 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-5000-10000-a-1 | 5 | 10 | Absorptive | 100 | 1 | 70 | 2 | 1.5 | 2 ~ 4 |
Qps2-5000-10000-A-2 | 5 | 10 | Absorptive | 100 | 1 | 70 | 2 | 1.5 | 2 ~ 4 |
Qps2-5000-10000-A-3 | 5 | 10 | Absorptive | 40 | 0.1 | 75 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-5000-10000-A-4 | 5 | 10 | Absorptive | 35 | 0.1 | 75 | 1.8 | 1.5 | 2 ~ 4 |
Qps2-5000-10000-r-1 | 5 | 10 | hisainana | 100 | 1 | 70 | 2 | 1.5 | 2 ~ 4 |
Qps2-5000-10000-r-2 | 5 | 10 | hisainana | 100 | 1 | 80 | 2 | 1.5 | 2 ~ 4 |
Qps2-6000-12000-a-1 | 6 | 12 | Absorptive | 100 | 1 | 70 | 2.4 | 1.5 | 2 ~ 4 |
Qps2-6000-12000-a-2 | 6 | 12 | Absorptive | 100 | 1 | 70 | 2.4 | 1.5 | 2 ~ 4 |
Qps2-6000-12000-a-3 | 6 | 12 | Absorptive | 40 | 0.1 | 70 | 2.2 | 1.7 | 2 ~ 4 |
Qps2-6000-12000-a-4 | 6 | 12 | Absorptive | 35 | 0.1 | 70 | 2.2 | 1.7 | 2 ~ 4 |
Qps2-6000-12000-r-1 | 6 | 12 | hisainana | 100 | 1 | 70 | 2.2 | 1.5 | 2 ~ 4 |
Qps2-6000-12000-r-2 | 6 | 12 | hisainana | 100 | 1 | 80 | 2.2 | 1.5 | 2 ~ 4 |
Qps2-6000-18000-a-1 | 6 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-6000-18000-a-2 | 6 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
Qps2-6000-18000-A-3 | 6 | 18 | Absorptive | 40 | 0.1 | 65 | 2.5 | 1.8 | 2 ~ 4 |
Qps2-6000-18000-a-4 | 6 | 18 | Absorptive | 35 | 0.1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-6000-18000-r-1 | 6 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
Qps2-6000-40000-a-1 | 6 | 40 | Absorptive | 50 | 0.2 | 45 | 5 | 2.5 | 2 ~ 4 |
Qps2-6000-40000-r-1 | 6 | 40 | hisainana | 50 | 0.2 | 65 | 4.5 | 2.5 | 2 ~ 4 |
Qps2-8000-12000-r-1 | 8 | 12 | hisainana | 100 | 1 | 80 | 2.2 | 1.5 | 2 ~ 4 |
Qps2-10000-40000-r-1 | 10 | 40 | hisainana | 50 | 0.2 | 65 | 4.5 | 2.5 | 2 ~ 4 |
QPS2-12000-18000-A-1 | 12 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
QPS2-12000-18000-A-2 | 12 | 18 | Absorptive | 100 | 1 | 60 | 3 | 2 | 2 ~ 4 |
QPS2-12000-18000-A-3 | 12 | 18 | Absorptive | 40 | 0.1 | 65 | 2.5 | 1.8 | 2 ~ 4 |
QPS2-12-12000-18000-A-4 | 12 | 18 | Absorptive | 35 | 0.1 | 60 | 2.8 | 2 | 2 ~ 4 |
QPS2-12000-18000-R-1 | 12 | 18 | hisainana | 100 | 1 | 60 | 2.8 | 2 | 2 ~ 4 |
QPS2-12000-18000-R-2 | 12 | 18 | hisainana | 100 | 1 | 70 | 2.8 | 2 | 2 ~ 4 |
Qps2-18000-40000-a-1 | 18 | 40 | Absorptive | 50 | 0.2 | 45 | 5 | 2.5 | 2 ~ 4 |