Technical information:
Central frequency |
7.7 GHz |
Bandwidth |
1.0 GHz |
Bandpass Filter |
7.2 - 8.2 GHz |
Front end amplifier |
ξεντ |
Physical temperature |
15 K |
System noise temperature |
62 K |
Realized sensitivity
( = 1 s ) |
3 mK |
Design |
Switching Radiometer |
Operating modes |
Double - beam switching |
Polarization |
No |
Feed Horn |
Quasi Scalar |
Calibration |
Noise generator |
Simplified block-diagram of the radiometer
- PF1, PF2 - input feed horns,
- DC1, DC2 - directional couplers,
- S1 - latching circulator switch,
- CI - cooled ferrite isolator,
- GM - p-i-n diode gain modulator,
- BPF - band-pass filter,
- D - square law detector,
- NG1 - noise generator for calibration,
- NG2 - balance noise generator,
- A1, A2 - noise power control attenuators,
- LFA - low frequency amplifier.
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