> {quote：title = am95405写道：} {quote}> Hi Dave，>>虽然我完全同情你的请求，但我们无法降低N9923A的启动频率。
我们多次看过它并决定不追求它;
太多的挑战。
但是，我们有一个新的分析仪N9913A，其启动频率为30 kHz。
您可能需要致电当地的安捷伦销售代表并询问折价。
也就是说，您使用N9923A换取N9913A，并查看您提供的价格类型。
>>问候，> Afsi Moaveni谢谢Afsi，遗憾的是无法做到这一点。
我希望它能够 - 即使准确性受到损害。
只需10％的变化就是一个很好的补充。
我刚买了N9923A。
我在eBay上从安捷伦购买了CertiPrime单元。
我昨天只支付了安捷伦的费用，并且不会在这里预计它会持续3个星期，所以交易它并不是我真正的愿望！
在任何情况下，4 GHz和6 GHz之间的范围对我来说非常有用，因为我打算在该范围内设计出售的天线。
稍微低于2 MHz的能力仅适用于业余无线电，所以如果可以将其降低到1.7 MHz，那就太好了。
我确实有一个20 GHz的VNA，并希望tomorow能够接收一个覆盖300 kHz到3 GHz的旧HP 8753A。
这将涵盖160米的业余乐队，但我无法证明只为一个火腿乐队保留这一点，所以我很快就会出售。
我在购买Fieldfox之前就已经开始使用了它，但是自从购买FieldFox之后，功能上的重叠太多，以至于无法保留两个VNA。
我甚至为Fieldfox购买了价格昂贵的TDR选项，我可能会使用它。
我认为一个选项花费的成本与8753A一样多，它有TDR选项！
戴夫
以上来自于谷歌翻译
以下为原文
> {quote:title=am95405 wrote:}{quote}
> Hi Dave,
>
> While I fully sympathize with your request, we cannot lower the start frequency of the N9923A. We've looked at it many times and decided not to pursue it; too many challenges. However, we do have a new analyzer, N9913A, which has a start frequency of 30 kHz. You may want to place a call to your local Agilent sales rep and ask about a trade-in. That is, you trade in your N9923A for an N9913A, and see what type of price you are offered.
>
> Regards,
> Afsi Moaveni
Thank you Afsi,
It's a shame it can't be done. I was hoping it might be able to - even if the accuracy was compromised. Just a 10% change would be a nice addition.
I've only just bought the N9923A. I bought it as a CertiPrime unit from Agilent on eBay. I only paid Agilent for it yesterday, and are not expecting it here for 3 weeks, so trading it in is not really on my horizon! In any case, the range between 4 GHz and 6 GHz is quite useful to me, as I intend working on the design of antennas in that range to sell.
The ability to get a little bit below 2 MHz was just for amateur radio use, so it would have been nice if it could have been pushed down to 1.7 MHz.
I do have a 20 GHz VNA, and expect tomorow to receive an old HP 8753A which covers from 300 kHz to 3 GHz. That would cover the 160 m amateur band, but I can't justify keeping that just for one ham band, so I am going to sell that quite shortly. I bougth it before buying the Fieldfox, but since buying the FieldFox, there is just too much overlap in functionality to make it sensible to keep both VNAs.
I even bought the lucdicrously expensive TDR option for the Fieldfox, which I might have a use for. I think that one option cost me as much as the 8753A did, which has the TDR option!
Dave
> {quote：title = am95405写道：} {quote}> Hi Dave，>>虽然我完全同情你的请求，但我们无法降低N9923A的启动频率。
我们多次看过它并决定不追求它;
太多的挑战。
但是，我们有一个新的分析仪N9913A，其启动频率为30 kHz。
您可能需要致电当地的安捷伦销售代表并询问折价。
也就是说，您使用N9923A换取N9913A，并查看您提供的价格类型。
>>问候，> Afsi Moaveni谢谢Afsi，遗憾的是无法做到这一点。
我希望它能够 - 即使准确性受到损害。
只需10％的变化就是一个很好的补充。
我刚买了N9923A。
我在eBay上从安捷伦购买了CertiPrime单元。
我昨天只支付了安捷伦的费用，并且不会在这里预计它会持续3个星期，所以交易它并不是我真正的愿望！
在任何情况下，4 GHz和6 GHz之间的范围对我来说非常有用，因为我打算在该范围内设计出售的天线。
稍微低于2 MHz的能力仅适用于业余无线电，所以如果可以将其降低到1.7 MHz，那就太好了。
我确实有一个20 GHz的VNA，并希望tomorow能够接收一个覆盖300 kHz到3 GHz的旧HP 8753A。
这将涵盖160米的业余乐队，但我无法证明只为一个火腿乐队保留这一点，所以我很快就会出售。
我在购买Fieldfox之前就已经开始使用了它，但是自从购买FieldFox之后，功能上的重叠太多，以至于无法保留两个VNA。
我甚至为Fieldfox购买了价格昂贵的TDR选项，我可能会使用它。
我认为一个选项花费的成本与8753A一样多，它有TDR选项！
戴夫
以上来自于谷歌翻译
以下为原文
> {quote:title=am95405 wrote:}{quote}
> Hi Dave,
>
> While I fully sympathize with your request, we cannot lower the start frequency of the N9923A. We've looked at it many times and decided not to pursue it; too many challenges. However, we do have a new analyzer, N9913A, which has a start frequency of 30 kHz. You may want to place a call to your local Agilent sales rep and ask about a trade-in. That is, you trade in your N9923A for an N9913A, and see what type of price you are offered.
>
> Regards,
> Afsi Moaveni
Thank you Afsi,
It's a shame it can't be done. I was hoping it might be able to - even if the accuracy was compromised. Just a 10% change would be a nice addition.
I've only just bought the N9923A. I bought it as a CertiPrime unit from Agilent on eBay. I only paid Agilent for it yesterday, and are not expecting it here for 3 weeks, so trading it in is not really on my horizon! In any case, the range between 4 GHz and 6 GHz is quite useful to me, as I intend working on the design of antennas in that range to sell.
The ability to get a little bit below 2 MHz was just for amateur radio use, so it would have been nice if it could have been pushed down to 1.7 MHz.
I do have a 20 GHz VNA, and expect tomorow to receive an old HP 8753A which covers from 300 kHz to 3 GHz. That would cover the 160 m amateur band, but I can't justify keeping that just for one ham band, so I am going to sell that quite shortly. I bougth it before buying the Fieldfox, but since buying the FieldFox, there is just too much overlap in functionality to make it sensible to keep both VNAs.
I even bought the lucdicrously expensive TDR option for the Fieldfox, which I might have a use for. I think that one option cost me as much as the 8753A did, which has the TDR option!
Dave
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