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| Customization: | Available |
|---|---|
| Type: | CATV Equipment |
| Function: | CATV System |
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| Item | Performance | |
| Product Name | SJ-B Variable Attenuator-Vertical Type-2MM-(DT-SJB-V2B/R) | |
| DAYTAI Model | DT-SJB-V2B | DT-SJB-V2R |
| Knob Color: Blue | Knob Color: Red | |
| Impedance | 75 Ohms | |
| Operating Frequency | 0~1000MHz | |
| Adjustable Range | 0~20dB | |
| Knob Length | 2mm | |
| insertion Loss | ≤0.5dB | |
| Frequency Response | 5~300MHz: ≤0.3dB, 300~1000MHz:≤0.5dB | |
| Reflection Loss | 5~300MHz: ≥20dB,300~1000MHz:≥15dB | |
| Reflection Loss | <300 MHz | <18 |
| <550 MHz | <16 | |
| <860 MHz | <14 | |
| Maximal attenuation | Test at full C.C.W.position | 20 dB ± 2 dB |
| 10 dB ± 2 dB | ||
| Minimal attenuation | Test at full C.W.position | <0.5 dB |
| Total rotation turns | Form full C.W position the shaft total rotation turns | 4.5 ± 0.5 turns |
| Rotation torque | Rotation speed 60°/1sec. | 50gfcm MAX |
| Axis stopper strength |
Test at full C.W. position | 800gfcm MIN |
| Terminal strength | After on application of 500gfcm for 10± 5 sec with terminals. | No evidence of poor contact between resistance element and terminals or any physical damage |
| Resistance to soldering heart. | Less tan 300°C and quicker then 3 sec. | No evidence of poor contact between resistance element and terminals or any physical damage |
| Reliability Test | ||
| Rotation life | More than 200 times of back and forth | |
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