Lock Receiver
54
Spectrospin AG
Daedalus Lock Manual
Function Description
7.1
Concept
7.1.1
Receiver functions will be addressed first in a short overview followed by detailed
discussion of the various elements
Figure 12: Block Diagram of Receiver Concept
The Receiver operates in a straight forward fashion for Deuterium. Other lock sub-
stances are mixed to f
2H
+1MHz.
The preamplified 2H lock signal is filtered and amplified once more in the High Fre-
quency section of the Receiver. Afterwards it is actively mixed with the 2H_LO sig-
nal from the transmitter. This results (due to the phase switching receiver) in an
audio frequency of 3.3 kHz. The resulting signal is once again amplified, filtered
and digitized in the low frequency section.
At the Receiver input the Lock signal is between -75 and -15dBm.
The variable gain amplifiers in the HF and LF sections compensate the different in-
put levels. The output amplitude is then optimized for the best A/D converter per-
formance. The total possible compensation of 60 dB is divided between the HF and
LF sections (30 dB each).
Attenuator
Amp
Mixer
AGC-Amp
30dB Range
AGC-Amp
30dB Range
2H-Bandpass
LF-Bandpass
12dB
fo=f2H
fo=3.33kHz
B=300Hz
Q=13
Out
to
ADC
2H_REC
-3dB
2*SL6140
MSA1105
TBB042G
SL6140
RP1-RP2
f=3.33kHz
2H_LO
f
2H
f
2H
(active)
Mixer
(passive)
(active)
Содержание DAEDALUS
Страница 1: ...BRUKER BRUKER SPECTROSPIN AG SERVICE MANUAL DAEDALUS LOCK Version BSMS 004 ...
Страница 6: ...Contents 6 Spectrospin AG Daedalus Lock Manual ...
Страница 14: ...8 Spectrospin AG Daedalus Lock Manual ...
Страница 16: ...10 Spectrospin AG Daedalus Lock Manual ...
Страница 19: ...Daedalus Lock Catchwords for Bash Daedalus Lock Manual Spectrospin AG 13 Figure 1 Lock Function Diagram ...
Страница 26: ...General Description 20 Spectrospin AG Daedalus Lock Manual ...
Страница 36: ...Operation 30 Spectrospin AG Daedalus Lock Manual ...
Страница 56: ...Lock Transmitter 50 Spectrospin AG Daedalus Lock Manual ...
Страница 64: ...Lock Receiver 58 Spectrospin AG Daedalus Lock Manual ...
Страница 68: ...19F RX Option 62 Spectrospin AG Daedalus Lock Manual ...
Страница 85: ...Installation Daedalus Lock Manual Spectrospin AG 79 Installation 11 2 ...
Страница 86: ...Z0 Compensation Option 80 Spectrospin AG Daedalus Lock Manual ...
Страница 90: ...Technical Data 84 Spectrospin AG Daedalus Lock Manual ...
Страница 92: ...Trouble Shooting 86 Spectrospin AG Daedalus Lock Manual ...
Страница 98: ...BSMS service tool 92 Spectrospin AG Daedalus Lock Manual ...
Страница 107: ...Error Descriptions Daedalus Lock Manual Spectrospin AG 101 ...
Страница 108: ...Lock Error Messages 102 Spectrospin AG Daedalus Lock Manual ...
Страница 114: ...Appendix 108 Spectrospin AG Daedalus Lock Manual ...
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