 |
4. Front End |
|
|
4. Front End |
4.1 Feeds e Ricevitori
The Noto antenna at present covers the range 2.2÷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 |
|
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 |
|
|
C |
5 |
L+R |
5.1 |
6.85 |
0.13 |
120 |
2x400 |
7.8’ |
Y |
N |
|
|
X |
3.6 |
R |
8.18 |
8.58 |
0.15 |
110 |
2x400 |
4.8’ |
Y |
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 : Receiver parameters
| Primary Focus |
| Cassegrain Focus |
νLsky ÷ νHsky : receiver maximum bandwidth
The receiver labels
have
been assigned only for identification purpose.
Notice: the actually usable
bandwidths might be
narrower, due to RFI.
