140-174 MHz Pass/reject duplexer DPR5-4V, DPR5-6V : Radial :

Electrical specifications

Model	DPR5-4V	DPR5-6V
Operating Frequency band, MHz	140-174
Insertion loss (adjustable) not more, dB	1,5	2
Frequency separation TX/RX (min), MHz	0,6	0,4
Impedance, Ohm	50
Isolation, not less, dB	75	80
VSWR, not more than	1,5
Input power, not more, W	not more than 100
Temperature range, °C	from -30 to +60
Cavity electrical length	1/4λ

Duplexer DPR5-4V is assembled from common 5'' cavities by band pass-reject scheme, enabling to use this duplexer in variety of installations, whether it is full duplex repeater or two radio stations operating with one antenna. Three adjustment levels provide opportunity for precise pass and rejection frequency tuning, and VSWR, loss level and gain slope tuning, also. Implemented temperature compensating techniques enable to use the device in not heated locations (garrets, television and radio towers top decks, etc.). Duplexer attachment points enable to mount it into standard 19-inch repeater rack. Duplexer DPR5-6V has higher characteristics at corresponding loss.

140-174 MHz Pass/reject duplexer DPR5-4V, DPR5-6V

Electrical specifications

Mechanical specifications

Typical duplexers response curves

DPR5-4V

DPR5-6V

DPR5-4V

DPR5-6V

140-174 MHz Pass/reject duplexer DPR5-4V, DPR5-6V

Electrical specifications

Mechanical specifications

Typical duplexers response curves DPR5-4V DPR5-6V

DPR5-4V

DPR5-6V

Typical duplexers response curves

DPR5-4V

DPR5-6V