 |
4. Front End |
|
|
4. Front End |
4.1 Feeds e Ricevitori
The Noto antenna covers the range 1.35÷48 GHz.
The following receivers are available (click on frequencies for detalis) :
|
Band (Label) |
ν0 (GHz) |
λ (cm) |
Channels |
νLsky (GHz) |
νHsky (GHz) |
Gain K/Jy |
Noise Temperature (K) |
Bandwidth (MHz) |
HPBW |
Hemt |
Cooled |
|
P |
0.327 |
92 |
L+R |
0.317 |
0.332 |
0.1 |
150 |
|
100’ |
N |
N |
|
UHF |
0.5-1 |
60-30 |
L+R |
0.5 |
1 |
0.1 |
- |
|
32’-64’ |
N |
N |
|
L |
18/21 |
L+R |
1.40 |
1.72 |
0.12 |
120 |
2x35 |
22’ |
Y |
N |
|
|
S |
13 |
R |
2.2 |
2.36 |
0.17 |
120 |
2x160 |
20’ |
Y |
N |
|
|
C |
6 |
L+R |
4.7 |
5.05 |
0.15 |
30 |
2x350 |
8’ |
Y |
Y |
|
|
X |
3.6 |
R |
8.18 |
8.58 |
0.15 |
110 |
2x400 |
4.8’ |
Y |
N |
|
|
12 |
12 |
2.5 |
HV |
11.70 |
12.75 |
- |
- |
|
3’ |
N |
N |
|
K |
1.3 |
L+R |
22.18 |
22.46 |
0.13 |
90 |
2x400 |
1.7’ |
Y |
Y |
|
|
Q |
0.7 |
L+R |
38 |
48 |
0.08 |
70 |
2x400 |
0.9’ |
Y |
Y |
Tab. 4.2 : Receivers parameters
|
Primary Focus |
|
Cassegrain Focus |
νLsky ÷ νHsky : receiver maximum bandwidth
The receiver labels have been assigned only for identification purpose.
At UHF, P, L, S bands theeffective bandwidths can be smaller due to RFI.
