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1. Re: [TowerTalk] LightningProtectionDevicesPolyP, Response DAVIS RF Co. (score: 1): Author: "Steve Davis -Davis RF Co." <sdavis@davisrf.com>; Date: Fri, 11 Sep 2009 13:12:13 -0400; Hi Steve, Polyphaser's various types of lightning/surge in-coax line devices , in part, incorporate a filter circuit . These circuits are freqcy sensitive thus using an outside spec freqcy applicatio; /archives//html/Towertalk/2009-09/msg00150.html (9,579 bytes)
2. Re: [TowerTalk] LightningProtectionDevicesPolyP, Response DAVIS RF Co. (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Fri, 11 Sep 2009 16:57:11 -0500; Polyphaser has used gas tubes in their coax protection devices from day one. The reason for the series capacitor is to allow the gas tube to fire before enough energy is passed into the circuit follo; /archives//html/Towertalk/2009-09/msg00154.html (12,263 bytes)
3. Re: [TowerTalk] LightningProtectionDevicesPolyP, Response DAVIS RF Co. (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 11 Sep 2009 18:05:10 -0700; The actual gas tube (or vacuum gap, such as the Victoreen or Philips ones used commonly) fires pretty fast (nanoseconds, certainly less than microseconds), although it's rise time and voltage depende; /archives//html/Towertalk/2009-09/msg00158.html (10,868 bytes)
4. Re: [TowerTalk] LightningProtectionDevicesPolyP, Response DAVIS RF Co. (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Sat, 12 Sep 2009 00:56:13 -0400; Seems as if I remember Polyphaser advertising they were solid state. The ones I've had fail were all solid state with a tiny solid state device inside. No spark gap and no discharge tube that I could; /archives//html/Towertalk/2009-09/msg00163.html (8,313 bytes)

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