Bird Technologies 3170A Series - Manual (Page 12)

Rear Panel
1 AC Receptacle Pro vides a means of sup ply ing ac line power to Wattcher con trol unit.
2 Line Voltage
Selector Switch
De ter mines line volt age op er a tion.
3 AC Line Fuse 1/16A at 250V slow-blow fuse, pro vides cir cuit pro tec tion from ex ces sive surge in line power or
in the event of com po nent fail ure.
4 Meter
Connections
J3—Con nec tor for front panel main me ters. Can also be used to con nect re mote me ters. Levels:
30
µ
A full scale into 1400 ohm (42mV).
J4—Ex tra me ter con nec tor for re mote me ters or chart re corder. For de tails on con nect ing re mote
me ters see Ap pen dix B. Levels: 1.038V full scale. Use 33.2k re sis tor in se ries with stan dard Bird
30
µ
A me ters.
5 RF Power
Connections
Fe male BNC con nec tors, pro vide means of con nect ing sam pled RF power. J2 is for for ward
power, J1 is for re flected power. Levels: 30
µ
A full scale into 1400
Ω
(42mV). May be over ranged
to 100mV.
6 Terminal Strip A ten con tact ter mi nal strip pro vides con nec tions for var i ous user spe cific ap pli ca tions. De tails of
con tact as sign ment and ap pli ca tions are in Ap pen dix B.
Bird Se ries 3170A High-Speed Wattcher
RF Mon i toring Sys tem
1-4
Figure 1-2
Rear Panel