All: As I know, PNA-L N5230A (Option 240/245) doesn't suppport TRL cablibration since it is a 3-receiver based NA. SO now only ENA E5071B ( only up to 8.5GHz)is available. Best Regards Moore Mo (Modaochun) Huawei Technologies Co.,Ltd. Tel: 86 755 28780808/89651579(L)/89651564(L) FAX: 86 755 89650731 Email: modaochun@xxxxxxxxxx website: http://www.huawei.com ----- Original Message ----- From: <dgun@xxxxxxxxxx> To: <si-list@xxxxxxxxxxxxx> Sent: Friday, January 14, 2005 2:44 PM Subject: [SI-LIST] Re: Differential Netwrok Analyzer > I don't know of any commercially available true > differential VNAs. However, in addition to the > ENA mentioned below (which transforms 4-port > s-parameters to mixed-mode or differential > s-parameters), there is also a 4-port 20 GHz: > PNA N5230A (Option 240/245). > > I'm interested to know if there is a > commercially-available true differential > analyzer. > > -- > Daniel > > From: "John Lin" <John@xxxxxxxxxxxx> > >=20 > > Tim, > >=20 > > I think you are looking for 4 port VNA.=3D20 > > Agilent has one -ENA E5071B, 8Ghz. > >=20 > > John=3D20 > >=20 > > -----Original Message----- > > From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] = > =3D > > On Behalf Of TTSP (Timothy Pak) > > Sent: Thursday, January 13, 2005 5:13 AM > > To: 'SI-List ' > > Subject: [SI-LIST] Differential Netwrok Analyzer > >=20 > > All, > > Has any one of you ever used differential network analyzer? Do you know = > =3D > > which companies are making the equiment? > > Thanks, > > Tim > > --=20 > ___________________________________________________________ > Sign-up for Ads Free at Mail.com > http://promo.mail.com/adsfreejump.htm > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > List FAQ wiki page is located at: > http://si-list.org/wiki/wiki.pl?Si-List_FAQ > > List technical documents are available at: > http://www.si-list.org > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu