
Коаксиальные фиксированные аттенюаторы серии SMA5 охватывают диапазон частот от постоянного тока до 26,5 ГГц и характеризуются низким КСВН, неравномерным ослаблением АЧХ и отличной защитой от пульсаций и выгорания.
Коаксиальные фиксированные аттенюаторы используются для поглощения энергии в линии передачи, расширения диапазона мощности и управления уровнем мощности, а также для точного измерения мощности или спектра радиочастотных микроволновых передатчиков в сочетании с небольшими измерителями мощности, комплексными тестерами или анализаторами спектра.
| SMA5-XX-3 | • Frequency range: DC – 3 GHz
• Max. VSWR: 1.15 • Attenuation value: 3, 6, 10, 20, 30 dB (refer to XX) • Accuracy: ±0.3dB for 3/6/10/20 attenuation, ±0.4dB for 30 attenuation |
| SMA5-XX-4 | • Frequency range: DC – 4 GHz
• Max. VSWR: 1.15 • Attenuation value: 3, 6, 10, 20, 30 dB (refer to XX) • Accuracy: ±0.3dB for 3/6/10/20 attenuation, ±0.4dB for 30 attenuation |
| SMA5-XX-6 | • Frequency range: DC – 6 GHz
• Max. VSWR: 1.20 • Attenuation value: 3, 6, 10, 20, 30 dB (refer to XX) • Accuracy: ±0.4dB for 3/6/10/20 attenuation, ±0.5dB for 30 attenuation |
| SMA5-XX-8 | • Frequency range: DC – 8 GHz
• Max. VSWR: 1.25 • Attenuation value: 3, 6, 10, 20, 30 dB (refer to XX) • Accuracy: ±0.4dB for 3/6/10/20 attenuation, ±0.5dB for 30 attenuation |
| SMA5-XX-12.4 | • Frequency range: DC – 12.4 GHz
• Max. VSWR: 1.25 • Attenuation value: 3, 6, 10, 20, 30, 40, 50 dB (refer to XX) • Accuracy: ±0.5dB |
| SMA5-XX-18 | • Frequency range: DC – 18 GHz
• Max. VSWR: 1.30 • Attenuation value: 3, 6, 10, 20, 30, 40, 50 dB (refer to XX) • Accuracy: -0.5/+0.8dB for 3/6 attenuation, ±1.0dB for 10/20/30/40/50 attenuation |
| SMA5-XX-26.5 | • Frequency range: DC – 26.5 GHz
• Max. VSWR: 1.30 • Attenuation value: 3, 6, 10, 20, 30, 40, 50 dB (refer to XX) • Accuracy: ±1.0dB for 3/6/10 attenuation, -0.5/+1.5dB for 20/30/40/50 attenuation |
| (A type for 3-30 dB, B type for 40/50 dB) | |
| Average Power | 5W average to 25°C ambient temperature, derated linearly to 0.5W @ 125°C |
| Peak Power | 0.5 kW (5μs pulse width with 1% duty cycle) |
| Connector Type | • DC – 3/4/6/8/12.4 GHz: SMA (J,K), 50 ohm
• DC – 18/26.5 GHz: SMA, 2.92mm, 50 ohm |
| Connectors | Brass nickel plated |
| Pin | Male: brass gold plated
Female: beryllium copper gold plated |
| Housing | Aluminum, Black Anodize |
| Dimension | • A type: Ø15.7 × 34 mm
• B type: Ø16.5 × 37.5 mm |
| Weight | • A type: 10 g
• B type: 20 g |
| Temperature Range | -55°C to +125°C |
| RoHS Complient | Yes |
| Module No. | Item | Description |
| SMA5-XX-3 | Coaxial Fixed Attenuator | DC to 3 GHz, XX refers to the attenuation value which is 3,6,10,20,30 |
| SMA5-XX-4 | Coaxial Fixed Attenuator | DC to 4 GHz, XX refers to the attenuation value which is 3,6,10,20,30 |
| SMA5-XX-6 | Coaxial Fixed Attenuator | DC to 6 GHz, XX refers to the attenuation value which is 3,6,10,20,30 |
| SMA5-XX-8 | Coaxial Fixed Attenuator | DC to 8 GHz, XX refers to the attenuation value which is 3,6,10,20,30 |
| SMA5-XX-12.4 | Coaxial Fixed Attenuator | DC to 12.4 GHz, XX refers to the attenuation value which is 3,6,10,20,30,40,50 |
| SMA5-XX-18 | Coaxial Fixed Attenuator | DC to 18 GHz, XX refers to the attenuation value which is 3,6,10,20,30,40,50 |
| SMA5-XX-26.5 | Coaxial Fixed Attenuator | DC to 26.5 GHz, XX refers to the attenuation value which is 3,6,10,20,30,40,50 |