CATV Attenuator DT-SJB-V8B/R, SJ Series Variable Attenuator,SJ-B Vertical Type,Adjustable Attenuation
Range:0~20dB,Knob Length:8mm,Knob Color: Blue or Red is Optional,impedance:75Ohm,Operating Frequency:0~1000MHz,insertion Loss:≤0.5dB,Frequency Response:5~300MHz: ≤0.3dB,300~1000MHz:
≤0.5dB,Reflection Loss:5~300MHz: ≥20dB,300~1000MHz:≥15dB.
Item | Performance | |
Product Name | SJ-B Variable Attenuator -Vertical Type-8MM-(DT-SJB-V8B/R) | |
DAYTAI Model | DT-SJB-V8B | DT-SJB-V8R |
Knob Color: Blue | Knob Color: Red | |
Impedance | 75 Ohms | |
Operating Frequency | 0~1000MHz | |
Adjustable Range | 0~20dB | |
Knob Length | 8mm | |
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 | |
