Russian versionPDF Version for print
    • Hosted by ORC

140 - 174 MHz
Bandpass/bandreject filters
PRF5-1V, PRF8-1V, PRF10-1V

Print pages (PDF 72 kb)
PRF5-1V

PRF5-2V

PRF8-1V

PRF8-2V

PRF10-1V

PRF10-2V

Electrical specifications
Model PRF5-1V PRF5-2V PRF8-1V PRF8-2V PRF10-1V PRF10-2V
Operating frequency
band, MHz
140-174
Insertion loss
(adjustable), dB
0,5-3 1-3 0,5-3 1-3 0,5-3 1-3
Impedance, Ohm 50
Rejection level, -35dB@ -75dB@ -35dB@ -75dB@ -35dB@ -75dB@
ΔfBP/BR dB 0,7MHz 0,6MHz 0,6MHz 0,5MHz 0,4MHz 0,3MHz
VSWR, not more than 1,5
Input power, not more, W not more than 300
Temperature range with
garanted stabilization, °C
from -30 to +60
Cavity electrical length 1/4λ
Mechanical specifications
Model PRF5-1V PRF5-2V PRF8-1V PRF8-2V PRF10-1V PRF10-2V
Diameter, mm (ins.) 128 (5") 208 (8") 257 (10")
Weight, kg 1,8 4,2 3,3 7,3 3,9 8,5
Connector N-female N-female N-female
Mount to 19-inch rack optional yes optional yes optional yes (horizont)
Length/Width/
Depth, sm
80x12.8x
12.8
80x48x
14
80x20.8x
20.8
80x48x
21
80x25.7x
25.7
80x63x
26.4

Band pass-reject filter PRF5-1V is tuned to pass specific frequency and to reject another specific frequency simultaneously. Filter PRF5-1V with band pass-reject feature is essential if nearby interference is present. Install this filter in receiver antenna section and tune rejection in to interfering signal, and you will appreciably improve receiving conditions attenuating interference by 35 dB. Filter PRF5-2V has higher characteristics at corresponding loss. Unlike common bandreject filters, this filter has one very useful feature; it can be adjusted to passing with perfect VSWR without any difficulties, which can be only achieved by painstaking selection of tuning cable in bandreject filters.


Typical selectivity characteristics

PRF5-1V

PRF8-1V

PRF10-1V