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Digital Controlled Attenuators
Digital Controlled Attenuator ndi gawo la microwave lomwe limatha kuwongolera kuchuluka kwa kutsitsa kudzera pa ma siginecha a digito.
Mfundo yake yoyendetsera ntchito ndikuwongolera kuchepetsedwa kwa chizindikirocho mwa kusintha chikhalidwe cha gawo lamkati kapena kukula kwa chizindikiro cholowera, kusintha mtengo wotsutsa. Poyerekeza ndi ma attenuators azikhalidwe zamakina ndi zopinga zosiyanasiyana.
Ma attenuators olamulidwa ndi digito ali ndi zabwino izi:
1. Kusamalitsa kwambiri: Wowongolera digito amatha kukwaniritsa kuwongolera kwapamwamba kwambiri pakuwongolera kwa digito, nthawi zambiri kumafika kulondola kwa 0.1dB kapena kuchepera.
2. Broadband: Ma attenuators oyendetsedwa ndi digito nthawi zambiri amagwira ntchito mu GHz kapena ngakhale THz osiyanasiyana ndipo amakhala ndi bandwidth yayikulu.
3. Mitundu yayikulu yosinthira: Chowongolera chowongolera digito chimatha kukwaniritsa zosinthika kuchokera ku 0dB kupita ku 60dB kapena kupitilira apo, ndipo kusintha kosinthika ndikwambiri.
4. Kuwongolera kwadongosolo: Chowongolera chowongolera digito chikhoza kukonzedwa kudzera m'mawonekedwe a digito monga SPI ndi I2C, ndi kusinthasintha kwakukulu.
Ma attenuators olamulidwa ndi digito amagwiritsidwa ntchito makamaka m'magawo monga kuyezetsa ma microwave, radar, kulumikizana, ndi kulumikizana kwa satellite. Kutengera ntchito yoyeserera monga mwachitsanzo, chowongolera chowongolera digito chingagwiritsidwe ntchito kusintha mphamvu ya chizindikiro choyesa kuyeza kukhudzika ndi mzere wa DUT (Chipangizo Choyesedwa); Itha kugwiritsidwa ntchito poyesa dongosolo loyesera kuti liwonetsetse kulondola kwake komanso kusasinthika; Itha kugwiritsidwa ntchito poyesa kuyesa kuyesa kuyesa magwiridwe antchito odana ndi kusokoneza dongosolo motsutsana ndi kusokoneza kosiyanasiyana komanso momwe manjira amayendera.
Qualwaveimapereka bandi yotakata komanso zowongolera zowongolera zama digito pama frequency mpaka 40GHz. Masitepe amatha kukhala 0.25dB ndipo mtundu wocheperako ukhoza kukhala 100dB kapena kupitilira apo. Ma attenuators athu olamulidwa ndi digito ali ndi khalidwe labwino komanso lodalirika kwambiri, Ndi magawo oposa 70, omwe amatha kukwaniritsa zosowa za makasitomala osiyanasiyana ndipo amagwiritsidwa ntchito kwambiri m'madera ambiri.
Gawo Nambala | pafupipafupi(GHz, Min.)  | pafupipafupi(GHz, Max.) | Attenuation Range(dB) | Control Bits2 | Khwerero(dB) | Kulondola(+/-) | Kutayika Kwawo(dB, Max.) | Chithunzi cha VSWR(Max.) | Kusintha Nthawi(nS, max.) | Mphamvu(dBm, max.) | Nthawi yotsogolera(masabata) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| QDA-0-6000-30-1 | DC | 6 | 0-30 pa | - | 1 | 3-5% mtundu. | 2 | 1.5 | - | 20 | 3~6 pa |
| QDA-0-18000-11-1 | DC | 18 | 0-11 | - | 1 | ±1dB | 0.6+0.09/GHz | 1.75 | 20ms | 30 | 3~6 pa |
| QDA-0-18000-110-10 | DC | 18 | 0-110 | - | 10 | ± 4.5dB | 0.6+0.09/GHz | 1.75 | 20ms | 30 | 3~6 pa |
| QDA-0-26500-11-1 | DC | 26.5 | 0-11 | - | 1 | ± 1.15dB | 2.5 | 1.8 | 20ms | 30 | 3~6 pa |
| QDA-0-26500-90-10 | DC | 26.5 | 0-90 pa | - | 10 | ± 2.95dB | 2.5 | 1.8 | 20ms | 50 | 3~6 pa |
| QDA-0-40000-11-1 | DC | 40 | 0-11 | - | 1 | ± 1.2dB | 3 | 1.85 | 20ms | 30 | 3~6 pa |
| QDA-0-40000-90-10 | DC | 40 | 0-90 pa | - | 10 | ± 5% | 3 | 1.85 | 20ms | 30 | 3~6 pa |
| QDA-0-50000-11-1 | DC | 50 | 0-11 | - | 1 | ± 1.35dB | 3.5 | 1.85 | 20ms | 30 | 3~6 pa |
| QDA-0-50000-65-5 | DC | 50 | 0-65 pa | - | 5 | ± 1.5dB | 4 | 1.6 | 20ms | 30 | 3~6 pa |
| QDA-0-50000-90-10 | DC | 50 | 0-90 pa | - | 10 | ± 5.5% | 4 | 2.2 | 20ms | 30 | 3~6 pa |
| QDA-9K-20000-31.5-0.5 | 9K | 20 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 6 | 2 | - | 25 | 3~6 pa |
| QDA-0.1-5000-110-1 | 0.0001 | 5 | 0-110 | 7 | 1 | ± 3dB | 8 | 2.5 | 500 | 30 | 3~6 pa |
| QDA-10-18000-31.5-0.5 | 0.01 | 18 | 0-31.5 | - | 0.5 | ±1dB | 5.5 | 2 | 1 μs | 25 | 3~6 pa |
| QDA-10-18000-63-1 | 0.01 | 18 | 0 ndi 63 | - | 1 | ± 1.5dB mtundu. | 7.5 | 2 | 20 | 25 | 3~6 pa |
| QDA-10-18000-63.5-0.5 | 0.01 | 18 | 0 ~ 63.5 | 7 | 0.5 | ± 2dB | 5 | 2.5 | - | - | 3~6 pa |
| QDA-10-18000-63.75-0.25 | 0.01 | 18 | 0 ~ 63.75 | 8 | 0.25 | ± 2dB | 6 | 2.5 | - | - | 3~6 pa |
| QDA-10-20000-63.75-0.25 | 0.01 | 20 | 0 ~ 63.75 | - | 0.25 | ± 1.5dB mtundu. | 8 | 2 | 20 | 25 | 3~6 pa |
| QDA-20-6000-31.5-0.5 | 0.02 | 6 | 0-31.5 | - | 0.5 | ± 0.5dB mtundu. | 6 | 2 | - | 25 | 3~6 pa |
| QDA-20-18000-31.5-0.5 | 0.02 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-20-20000-31.5-0.5 | 0.02 | 20 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 6 | 2 | - | 25 | 3~6 pa |
| QDA-50-4000-31-1 | 0.05 | 4 | 0-31 | 5 | 1 | ± 0.5dB mtundu. | 3 | 1.8 | 1000 | 24 | 3~6 pa |
| QDA-100-6000-30-1 | 0.1 | 6 | 0-30 pa | - | 1 | ± 1.5dB mtundu. | 5.5 | 2 | - | 30 | 3~6 pa |
| QDA-100-18000-31.5-0.5 | 0.1 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-100-18000-32-0.03 | 0.1 | 18 | 0-32 pa | 10 | 0.03 | ± 2dB | 4.7 | 2.5 | - | - | 3~6 pa |
| QDA-100-18000-32-0.06 | 0.1 | 18 | 0-32 pa | 9 | 0.06 | ± 2dB mtundu. | 5 | 2.5 | 5000 | 24 | 3~6 pa |
| QDA-100-40000-31-1 | 0.1 | 40 | 0-31 | 5 | 1 | ± 2dB | 9 | 2.2 | - | - | 3~6 pa |
| QDA-100-40000-32-0.03 | 0.1 | 40 | 0-32 pa | 10 | 0.03 | ± 2dB | 6 | 2.5 | - | - | 3~6 pa |
| QDA-100-40000-32-0.06 | 0.1 | 40 | 0-32 pa | 9 | 0.06 | ± 2dB mtundu. | 6 | 2.5 | - | - | 3~6 pa |
| QDA-100-40000-31.5-0.5 | 0.1 | 40 | 0-31.5 | - | 0.5 | ±1dB | 9 | 2.2 | - | 25 | 3~6 pa |
| QDA-100-50000-31.5-0.5 | 0.1 | 50 | 0-31.5 | 6 | 0.5 | ± 2dB mtundu. | 11 | 2.5 | - | - | 3~6 pa |
| QDA-500-18000-31.5-0.5 | 0.5 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-500-18000-63.75-0.25 | 0.5 | 18 | 0 ~ 63.75 | - | 0.25 | ± 1.5dB mtundu. | 7.5 | 2 | 20 | 25 | 3~6 pa |
| QDA-500-40000-31.5-0.5 | 0.5 | 40 | 0-31.5 | - | 0.5 | ± 2dB | 7 | 2 | - | 25 | 3~6 pa |
| QDA-500-40000-63.5-0.5 | 0.5 | 40 | 0 ~ 63.5 | - | 0.5 | ± 2dB | 11.5 | 1.7 | - | 25 | 3~6 pa |
| QDA-1000-2000-31.5-0.5 | 1 | 2 | 0-31.5 | - | 0.5 | ± 0.5dB mtundu. | 3.6 | 1.8 | - | 25 | 3~6 pa |
| QDA-1000-2000-47.5-0.5 | 1 | 2 | 0-47.5 | 7 | 0.5 | 3% | 3.5 | 1.5 | 100 | 27 | 3~6 pa |
| QDA-1000-2000-63.5-0.5 | 1 | 2 | 0 ~ 63.5 | - | 0.5 | ± 2.5dB | 5 | 1.7 | - | 25 | 3~6 pa |
| QDA-1000-2000-63.75-0.25 | 1 | 2 | 0 ~ 63.75 | 8 | 0.25 | ± 1.5dB | 1.5 | 1.5 | - | - | 3~6 pa |
| QDA-1000-18000-31.5-0.5 | 1 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-1000-18000-31.5-0.5-1 | 1 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-1000-18000-63-1 | 1 | 18 | 0 ndi 63 | 6 | 1 | ± 2dB mtundu. | 7.5 | 2 | 100 | 26 | 3~6 pa |
| QDA-1000-18000-127-0.5 | 1 | 18 | 0-127 | - | 0.5 | ± 2.5dB mtundu. | 12.5 | 2.5 | 1 ife | 25 | 3~6 pa |
| QDA-1000-20000-63.5-0.5 | 1 | 20 | 0 ~ 63.5 | - | 0.5 | ± 3dB mtundu. | 7 | 1.8 | - | 25 | 3~6 pa |
| QDA-1000-40000-31-1 | 1 | 40 | 0-31 | 5 | 1 | ± 5% mtundu. | 8 | 2 | - | 27 | 3~6 pa |
| QDA-1000-40000-63.5-0.5 | 1 | 40 | 0 ~ 63.5 | - | 0.5 | ± 2dB mtundu. | 11.5 | 2 | 200 | 25 | 3~6 pa |
| QDA-1000-50000-31.5-0.5 | 1 | 50 | 0-31.5 | 6 | 0.5 | ± 2dB mtundu. | 11 | 2.5 | - | - | 3~6 pa |
| QDA-2000-4000-63.75-0.25 | 2 | 4 | 0 ~ 63.75 | 8 | 0.25 | ± 1.5dB | 2 | 1.5 | - | - | 3~6 pa |
| QDA-2000-4000-31.5-0.5 | 2 | 4 | 0-31.5 | - | 0.5 | ± 0.5dB mtundu. | 3.8 | 1.8 | - | 25 | 3~6 pa |
| QDA-2000-18000-15-1 | 2 | 18 | 0-15 | 4 | 1 | 4% | 7 | 2.2 | 500 | 20 | 3~6 pa |
| QDA-2000-18000-31.5-0.5 | 2 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-2000-18000-50-0.1 | 2 | 18 | 0-50 pa | - | 0.1 | ± 2dB mtundu. | 7 | 2.5 | 500 kodi. | 24 | 3~6 pa |
| QDA-2000-18000-60-0.1 | 2 | 18 | 0-60 pa | - | 0.1 | 5% mtundu. | 6 | 2 | - | 20 | 3~6 pa |
| QDA-2000-18000-60-10 | 2 | 18 | 0-60 pa | 3 | 10 | 4% | 14 | 2.2 | 500 | 20 | 3~6 pa |
| QDA-2000-18000-63.75-0.25 | 2 | 18 | 0 ~ 63.75 | - | 0.25 | ± 1.5dB mtundu. | 7.5 | 2 | - | 25 | 3~6 pa |
| QDA-2000-40000-31.5-0.5 | 2 | 40 | 0-31.5 | - | 10 | ± 2dB mtundu. | 7 | 2 | 1000 | 25 | 3~6 pa |
| QDA-4000-8000-31.5-0.5 | 4 | 8 | 0-31.5 | - | 0.5 | ± 0.8dB mtundu. | 4.2 | 1.8 | - | 25 | 3~6 pa |
| QDA-4000-8000-63.75-0.25 | 4 | 8 | 0 ~ 63.75 | 8 | 0.25 | ± 2dB mtundu. | 2.5 | 1.8 | - | - | 3~6 pa |
| QDA-4000-32000-31.5-0.5 | 4 | 32 | 0-31.5 | - | 0.5 | ± 2dB mtundu. | 5.5 | 2 | 1000 | 25 | 3~6 pa |
| QDA-4000-32000-63.5-0.5 | 4 | 32 | 0 ~ 63.5 | - | 0.5 | ± 2dB mtundu. | 10 | 2 | 200 | 25 | 3~6 pa |
| QDA-6000-6400-30-1 | 6 | 6.4 | 0-30 pa | - | 1 | ±(1+9%)dB | 5.5 | 2 | - | 30 | 3~6 pa |
| QDA-6000-18000-31.5-0.5 | 6 | 18 | 0-31.5 | - | 0.5 | ± 1dB mtundu. | 5.5 | 2 | - | 25 | 3~6 pa |
| QDA-7000-9000-32-0.25 | 7 | 9 | 0-32 pa | - | 0.25 | ± 2dB | 5.5 | 2 | - | 24 | 3~6 pa |
| QDA-8000-12000-31-1 | 8 | 12 | 0-31 | 5 | 1 | ±2% | 3.5 | 1.5 | 100 | 27 | 3~6 pa |
| QDA-8000-12000-31.5-0.5 | 8 | 12 | 0-31.5 | - | 0.5 | ± 0.8dB mtundu. | 4.7 | 2 | - | 25 | 3~6 pa |
| QDA-8000-12000-63.75-0.25 | 8 | 12 | 0 ~ 63.75 | 8 | 0.25 | ± 2dB | 2.8 | 1.8 | - | - | 3~6 pa |
| QDA-8000-12000-110-10 | 8 | 12 | 0-110 | 4 | 10 | 3-5% mtundu. | 8 | 1.5 | - | 20 | 3~6 pa |
| QDA-8000-18000-63.75-0.25 | 8 | 18 | 0 ~ 63.75 | - | 0.25 | ± 1.5dB mtundu. | 7.5 | 2 | - | 25 | 3~6 pa |
| QDA-8200-12400-61-1 | 8.2 | 12.4 | 0 ndi 61 | 6 | 1 | 4% | 7 | 2.2 | 500 | 30 | 3~6 pa |
| QDA-8500-9500-31.5-0.25 | 8.5 | 9.5 | 0-31.5 | - | 0.25 | 3-5% mtundu. | 5.5 | 2 | - | 30 | 3~6 pa |
| QDA-9000-10000-47.5-0.5 | 9 | 10 | 0-47.5 | 7 | 0.5 | 3% | 5.5 | 1.8 | 100 | 27 | 3~6 pa |
| QDA-12000-18000-63.75-0.25 | 12 | 18 | 0 ~ 63.75 | 8 | 0.25 | ± 2.5dB | 3.7 | 2.5 | - | - | 3~6 pa |
| QDA-18000-40000-31.5-0.5 | 18 | 40 | 0-31.5 | 6 | 0.5 | 6% | 8 | 2.5 | 500 | 27 | 3~6 pa |
| QDA-18000-40000-50-0.05 | 18 | 40 | 0-50 pa | 10 | 0.05 | ± 2dB | 9 | 2.5 | - | - | 3~6 pa |
| QDA-18000-50000-31.5-0.5 | 18 | 50 | 0-31.5 | 6 | 0.5 | ± 2dB mtundu. | 11 | 2.5 | 20 kodi. | 25 | 3~6 pa |
| QDA-26500-40000-50-0.1 | 26.5 | 40 | 0-50 pa | - | 0.1 | ± 2.5dB mtundu. | 9 | 2.5 | 5000 kodi. | 24 | 3~6 pa |
| QDA-30000-40000-30-0.5 | 30 | 40 | 0-30 pa | - | 0.5 | 3-5% mtundu. | 5.5 | 1.5 | - | 25 | 3~6 pa |
| QDA-35000-40000-60-0.5 | 35 | 40 | 0-60 pa | 7 | 0.5 | - | 15 | 1.5 | - | 15 | 3~6 pa |
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