| Dimensiones del artículo LxWxH | 3,15 x 2,76 x 2,36 pulgadas |
|---|---|
| Voltaje | 50 Voltios |
| Fabricante | Ciglow |
| Tipo de montaje | Montaje en superficie |
| Marca | Ciglow |
| Material | Fibra |
| UPC | 703633898579 |
| Número de modelo del producto | Ciglow5zeqsxmugd |
| Dimensiones del producto | 3,15 x 2,76 x 2,36 pulgadas |
| Dimensiones del artículo Largo x Ancho x Altura | 3.15 x 2.76 x 2.36 pulgadas |
| Color | Predeterminado |
| ASIN | B07Q7HKWZZ |
| País de origen | China |
| Producto en amazon.com desde | marzo 28, 2019 |
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Comprados juntos habitualmente
Este producto: Bias Tee,10MHz-6GHz Bias Tee Banda Ancha Radio Frecuencia Microondas Bias Bias Bajo Ruido Amplificador Módulo.
US$12.00
Recíbelo el jueves, 1 de agosto
Disponible
+
US$34.95
Recíbelo el jueves, 1 de agosto
Disponible
+
US$12.99 (US$5.20/Foot)
Recíbelo el jueves, 1 de agosto
Disponible
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Este artículo  Bias Tee,10MHz-6GHz Bias Tee Banda Ancha Radio Frecuencia Microondas Bias Bias Bajo Ruido Amplificador Módulo. |  |  |  |  |  | |
| Precio | US$12.00 | -5% US$14.09 Típico: US$14.89 | US$29.95 | US$8.12 | -8% US$13.57 Típico: US$14.69 | US$19.95 |
| Entrega | Recíbelo el jueves, 1 de agosto | Recíbelo el jueves, 1 de agosto | Recíbelo el jueves, 1 de agosto | Recíbelo el jueves, 1 de agosto | Recíbelo el ago 8 - 20 | Recíbelo el jueves, 1 de agosto |
| Calificaciones de los clientes | ||||||
| Vendido por | Ciciglow | guakangyuan3-US | Nooelec | Dylander | Blurte | RTL-SDR Blog |
| voltaje | 50 volts | 50 volts | 5 volts | 5 volts | 5 volts | 5 volts |
| tipo de montaje | Montaje en superficie | — | Montaje en superficie | Montaje en superficie | Montaje en superficie | Montaje en superficie |
— | — | 30 milliamps | 80 milliamps | 70 milliamps | — |
Opiniones con imágenes
Bought two, one works (sort of) the other was DOA... full analysis
First: The one that I'll say "works" is not exactly as advertised. It is supposed to be a Bias T that works from 10MHz to 6GHz, but that is NOT the case. I tested the RF throughput response (see plots) on a calibrated Keysight N9918A VNA and found that there is a significant variation of response (with in 3 dB) in what is supposed to be the passband, which is from a bout 200MHz to nearly 5 GHz - certainly not 10MHz to 6GHz. The low band rolls off significantly below 200MHz and is below -40 dB at 10MHz; likewise at 6GHz the response was -10dB.Second: The broken unit was due to a solder bold shorting out the ERF+DC SMA port. This is really troubling because this shorts-out out any DC power source you apply to the DC input terminal - which could cost you a power supply if it wasn't short-fault tolerant. I removed the solder bridge and swept the repaired unit got a similar plot to the other unit.Summary: At this price point you will have to expect to be hands-on as a hobbyist. I strongly encourage everyone to do a check with an ohm meter to make sure that DC port is not shorted (or just open it and look to see if the soldering is ok). If you have access to a spectrum analyzer with a tracking generator or an VNA, it is definitely worth your time to sweep it before using it. But, on the other hand, if you are a building projects and need a cheap case with SMA and a DC feed though you might want to but it just to gut it to repurpose it - that's why I bought it.Giving 2 stars seemed about right since it does have some value. I see from other reviewers that purchased it for GOES band satellite receivers and at that frequency it should actually work well enough (esp. on the output side of the LNA). It really depends on how knowledgeable you are. I would have given 3 stars had the one of the units not been shorted out. Such a situation would likely damage a power brick you attach to the unit.Best of Luck
Opiniones destacadas de los Estados Unidos
Ha surgido un problema al filtrar las opiniones justo en este momento. Vuelva a intentarlo en otro momento.
Calificado en Estados Unidos el 5 de junio de 2023
Calificado en Estados Unidos el 3 de marzo de 2023
Calificado en Estados Unidos el 17 de julio de 2024
Second: The broken unit was due to a solder bold shorting out the ERF+DC SMA port. This is really troubling because this shorts-out out any DC power source you apply to the DC input terminal - which could cost you a power supply if it wasn't short-fault tolerant. I removed the solder bridge and swept the repaired unit got a similar plot to the other unit.
Summary: At this price point you will have to expect to be hands-on as a hobbyist. I strongly encourage everyone to do a check with an ohm meter to make sure that DC port is not shorted (or just open it and look to see if the soldering is ok). If you have access to a spectrum analyzer with a tracking generator or an VNA, it is definitely worth your time to sweep it before using it. But, on the other hand, if you are a building projects and need a cheap case with SMA and a DC feed though you might want to but it just to gut it to repurpose it - that's why I bought it.
Giving 2 stars seemed about right since it does have some value. I see from other reviewers that purchased it for GOES band satellite receivers and at that frequency it should actually work well enough (esp. on the output side of the LNA). It really depends on how knowledgeable you are. I would have given 3 stars had the one of the units not been shorted out. Such a situation would likely damage a power brick you attach to the unit.
Best of Luck
Bought two, one works (sort of) the other was DOA... full analysis
Calificado en Estados Unidos el 17 de julio de 2024
First: The one that I'll say "works" is not exactly as advertised. It is supposed to be a Bias T that works from 10MHz to 6GHz, but that is NOT the case. I tested the RF throughput response (see plots) on a calibrated Keysight N9918A VNA and found that there is a significant variation of response (with in 3 dB) in what is supposed to be the passband, which is from a bout 200MHz to nearly 5 GHz - certainly not 10MHz to 6GHz. The low band rolls off significantly below 200MHz and is below -40 dB at 10MHz; likewise at 6GHz the response was -10dB.Calificado en Estados Unidos el 17 de julio de 2024
Second: The broken unit was due to a solder bold shorting out the ERF+DC SMA port. This is really troubling because this shorts-out out any DC power source you apply to the DC input terminal - which could cost you a power supply if it wasn't short-fault tolerant. I removed the solder bridge and swept the repaired unit got a similar plot to the other unit.
Summary: At this price point you will have to expect to be hands-on as a hobbyist. I strongly encourage everyone to do a check with an ohm meter to make sure that DC port is not shorted (or just open it and look to see if the soldering is ok). If you have access to a spectrum analyzer with a tracking generator or an VNA, it is definitely worth your time to sweep it before using it. But, on the other hand, if you are a building projects and need a cheap case with SMA and a DC feed though you might want to but it just to gut it to repurpose it - that's why I bought it.
Giving 2 stars seemed about right since it does have some value. I see from other reviewers that purchased it for GOES band satellite receivers and at that frequency it should actually work well enough (esp. on the output side of the LNA). It really depends on how knowledgeable you are. I would have given 3 stars had the one of the units not been shorted out. Such a situation would likely damage a power brick you attach to the unit.
Best of Luck
Imágenes en esta reseña
Calificado en Estados Unidos el 20 de abril de 2024
