Sheet1
|
|
Caltech Continuum Backend INTERFACES |
|
|
|
|
|
|
| INTERFACE |
DATE |
DEFINITION OR DEFINING DOCUMENT |
| CAL diode control |
|
differential TTL? |
| Phase switch control |
|
differential TTL? |
| Detectors |
|
TBD |
| Packaging:RFI |
11sep02 |
60 to 70 dB from 30 - 2000 MHz; specifications higher than 10 GHz not necessary |
| Packaging:size |
11sep02 |
15'' x 15''; 10'' deep |
| Packaging:weight |
11sep02 |
should hang from back of either Rx: precise constraint TBD |
| Power Supply |
11sep02 |
available: +/-15 V, +5 V, and 120 V 60 Hz |
| Timing |
11sep02 |
NTP + 1 PPS. |
| Backend Command & Control |
|
via network-- architecture & protocol under development |
| Data Archiving (FITS) |
|
TBD |
| Realtime Data Monitoring (sampler) |
|
via network-- details TBD |