LPF 1000 AR 144
LPF 1000 AR 144
LPF 1000 AR 144
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<strong>LPF</strong> <strong>1000</strong> <strong>AR</strong> <strong>144</strong><br />
Italian Technology Broadcast<br />
____________________________________________________________ January 2011 – First Ediction___<br />
LOW PASS FILTER <strong>144</strong> MHz – 1 KW<br />
_________________________________________________________________________________________<br />
GENERAL CH<strong>AR</strong>ACTERISTICS<br />
OPTIONS<br />
Frequency Range 140 ÷ 150 MHz<br />
Input Power MAX <strong>1000</strong> W<br />
S.W.R. input (@ <strong>144</strong> MHz ) ≥ - 30dB<br />
Insertion Loss ≤ 0,18 dB<br />
second harmonic attenuation (@ <strong>144</strong> MHz ) ≥ - 60 dBc<br />
Input – Output Impedance 50 Ω<br />
PC Board Teflon<br />
Working Temperature 0 ÷ 80°C MAX<br />
Weight 100 g. ± 2%<br />
Dimension 100 X 75 mm<br />
Measure Direct Power OPTION<br />
Measure Reflected Power OPTION<br />
* The above data is purely indicative, Italab may vary them without any warning<br />
Italab Communications<br />
via Casale 3/a, cap. 20<strong>144</strong> Milano ( Italy )<br />
Phone: 0039 02 90389417 – Fax : 0039 02 23168389<br />
mail: info@italab.it web site : www.italab.it
<strong>LPF</strong> <strong>1000</strong> <strong>AR</strong> <strong>144</strong><br />
Italian Technology Broadcast<br />
____________________________________________________________ January 2011 – First Ediction___<br />
IN RF<br />
PWR OUT<br />
OUT RF<br />
SWR OUT<br />
Outputs "PWR OUT" and "SWR OUT", give a DC voltage which should best be elaborated at length<br />
to optimize the reading of an analog instrument to 100µA.<br />
We recommend that you use only and only 50 Ω cable Teflon for connections "IN - OUT because the<br />
energy involved is substantial (@ 1 kW).<br />
Use of adequate support for fixing screws in the holes prepared, but 2.5.<br />
Le Uscite “ PWR OUT “ e “SWR OUT”, danno una tensione continua che và opportunamente<br />
elaborata alfine di ottimizzare la lettura su uno strumento analogico da 100µA.<br />
Si consiglia di usare solo e unicamente cavo 50 Ω in teflon per le connessioni “ IN – OUT in quanto<br />
l’energia in gioco è notevole ( @ 1 KW ).<br />
Usare per il fissaggio su adeguato supporto viti 2.5 ma nelle forature predisposte.
5<br />
5<br />
4<br />
4<br />
3<br />
D D<br />
FREQ-IN<br />
C1<br />
CAP<br />
L1<br />
ITALIND1<br />
C2<br />
CAP<br />
L2<br />
ITALIND1<br />
C3<br />
CAP<br />
L3<br />
ITALIND1<br />
C4<br />
CAP<br />
L4<br />
ITALIND1<br />
C5<br />
CAP<br />
R3<br />
C6<br />
CAP<br />
C C<br />
B B<br />
A A<br />
3<br />
C7<br />
CAP<br />
D1<br />
R1<br />
C8<br />
CAP<br />
C9<br />
CAP<br />
C10<br />
CAP<br />
R2<br />
D2<br />
R4<br />
2<br />
Title<br />
Size Document Number Design<br />
Rev<br />
A4<br />
MD3000BX-FM Micalizzi 05-2010<br />
2<br />
C11<br />
CAP<br />
PWR_COUPLER<br />
FREQ_OUT<br />
SWR_COUPLER<br />
ITB<br />
Italian Technology of Broadcast MILANO ( ITALY )<br />
Schematic Filter and Coupler 1KW <strong>144</strong> MHz<br />
Date: Tuesday, December 06, 2011 Sheet 1 of 1<br />
1<br />
1
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