|
|
|
| 113 Mhz |
||
| Total
power measurement |
||
|
|
|
| 113 Mhz |
||
| Antenna
A |
||
|
|
|
| 113 Mhz |
||
| Antenna
B |
||
|
|
| Local Oscillator |
|
| (102.3 MHz) |
|
| IF 10.7 MHz |
|
|
| Attenuators |
|
| 0-45 dB |
|
|
|
| Attenuators |
|
| 0-45 dB |
|
|
|
|
|
|
| Logarithmic |
||||
| Amplifier |
||||
| (70
dB range) |
||||
|
|
|
| Bandpass |
||
| Filter |
||
| (700 KHz) |
||
|
|
|
| Bandpass |
||
| Filter |
||
| (700 KHz) |
||
|
|
| Sampling |
|
| clock |
|
|
|
| Sampling |
|
| clock |
|
| A/D |
| Digitizer. |
| Digitizer. |
|
|
|
| Power |
||
| detect.. |
||
|
|
|
| Power |
||
| detect.. |
||
|
|
|
|
|
| Walsh |
||||
| demod. |
||||
| Delay |
||||
|
|
|
|
| Walsh |
|||
| demod. |
|||
| Delay |
|||
|
|
|
| Look
Up |
||
| Table |
||
| Reg. |
|
|
| Delay |
|
| value A |
|
|
|
| Delay |
|
| value B |
|
| Acquisit. |
| Acquisit. |
| Signal
distribution on a multiplexed backplane |
|
|
|
|
|
| 1 bit |
||||
| correlator |
||||
| (sine, |
||||
| cosine) |
||||
|
|
|
|
|
|
|
| 1 bit |
||||||
| correlator |
||||||
| (sine, |
||||||
| cosine) |
||||||
|
|
|
|
|
| 1 bit |
||||
| correlator |
||||
| (sine, |
||||
| cosine) |
||||
|
|
| Correlator
array |
|
| for 648 baselines |
|
| To data
acquisition |
| Nançay Radioheliograph: receiver diagram |