User manual
DTT Channels Processor
1.- TECHNICAL SPECIFICATIONS
1.1.- DTT refs. 5870, 5871
Frequency range:
Ref. 5870:
One UHF Channel (CCIR 8MHz, standars G, H, I, K, L).
Ref. 5871:
One BIII channel (CCIR 7MHz, standard B) or UHF (CCIR 7MHz, standard H).
Input signal level:
-57 to -7 dBm (102 dBµV a 52 dBµV).
Frequency offset availability:
Ref 5870
: ± 166.66KHz; *
Ref 5871
: ± 125 KHz.
AGC:
Yes.
Noise figure:
< 20 dB.
Return losses:
> 10 dB.
Input loop through losses:
<1.5 dB.
Impedance:
75 ohm.
Connector:
"F" female.
Preamplifier power sup. availab.:
+12V at "UHF IN" connector .
Frequency range:
Ref 5870:
One UHF Channel (CCIR 8MHz, standares G, H, I, K, L)
Ref 5871:
One BIII channel (CCIR 7MHz, standard B) or UHF (CCIR 7 MHz, standard H).
Frequency offset availability:
Ref 5870:
± 166.66KHz;
Ref 5871:
± 125 KHz;
Local Oscillator phase noise:
>75 dBc/Hz @ 1KHz when used as channel converter.
> 95 dBc/Hz @ 1KHz when used as an amplifier (same input and output channels).
Output level:
85 dBµV ± 5 dB.
Output level adjustable level:
>15dB.
Return losses:
> 12 dB.
Gain slope:
< 2dB.
Slope regulation:
± 3 dB.
Spurious level:
<-62dBc as regards the nominal output level.
Impedance:
75 ohm.
END (Equivalent Noise Degrad.):
< 1dB.
Connector:
"F" female.
Power consumption:
+15V: 390 mA; +5V: 220 mA.
RF
input
RF
output
General
The technical specifications are defined with a maximum room temperature of 40º C.
21
ENGLISH
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