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1. TopBand: High Input Intercept SMD Devices (score: 1): Author: w5ps@airmail.net (Peter Sears); Date: Wed, 08 Apr 1998 13:58:14 -0500; I saw a note from Carl, KM1H talking about how bad surface mount devices can be for intermodulation products. Thier is a company in California called Stanford Microdevices which manufacturers small i; /archives//html/Topband/1998-04/msg00094.html (7,603 bytes)
2. TopBand: High Input Intercept SMD Devices (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Wed, 08 Apr 1998 16:02:37 EDT; I dont intend to get in an argument here....suffice to say that just reading the IMD specs is meaningless unless you can characterize the enviroment they are used in. Many small signal SMD devices ar; /archives//html/Topband/1998-04/msg00095.html (7,939 bytes)
3. TopBand: High Input Intercept SMD Devices (score: 1): Author: w8ji.tom@MCIONE.com (Tom Rauch); Date: Thu, 09 Apr 1998 08:20:53 +0000; To: <topband@contesting.com> Hi Peter, I'd be careful using MMIC's, since the intercept ratings can sometimes be misleading. I have to use MMIC's almost monthly in new designs, and they are pretty po; /archives//html/Topband/1998-04/msg00103.html (8,727 bytes)
4. TopBand: High Input Intercept SMD Devices (score: 1): Author: w5un@wt.net (David Blaschke); Date: Thu, 09 Apr 1998 15:45:59 +0000; Tom, I hope you meant 20 db gain. I'm not sure a preamp with a noise figure of 20 DB (at 1.8 mhz) is wise. What is the noise figure on 160 for the typical receiver? Probably less than that. Ambient n; /archives//html/Topband/1998-04/msg00108.html (7,806 bytes)
5. TopBand: High Input Intercept SMD Devices (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Thu, 09 Apr 1998 14:58:14 EDT; O W5UN w5un@wt.net Dave..the best preamp has 0 dB of gain on 160...just a LC tuneabler preselector if you are using a good Beverage. The ambient NF on 160 after dark can/is in the 25-35 DB range acco; /archives//html/Topband/1998-04/msg00112.html (8,329 bytes)
6. TopBand: High Input Intercept SMD Devices (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Thu, 09 Apr 1998 14:00:43 EDT; Tom, I hope you meant 20 db gain. I'm not sure a preamp with a noise figure of 20 DB (at 1.8 mhz) is wise. What is the noise figure on 160 for the typical receiver? Probably less than that. Ambient n; /archives//html/Topband/1998-04/msg00116.html (8,048 bytes)

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