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MSG-2050 is a signal generator designed for generating the simulation signal of GPS (Global Positioning System) satellite.
| FEATURES |
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Frequency stability of internal reference oscillator is less then 5×10-7 |
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Rapid changing output level and the level range is from -80dBm to -140dBm |
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Doppler shift function is not built-in |
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The output terminal is DC-cut to able to connect to the powered antenna cable. |
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All NAVI data preset by GP-IB line and also RS-232C. |
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An automatic Z count increment function is equipped so as to synchronize with real time clock. |
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The front panel operation can be programmed by GP-IB and RS-232C. |
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The application program is attached. |
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| SPECIFICATIONS |
| Frequency Characteristics |
| Frequency |
1.57542GHz |
| Indication |
VFD display |
| Accuracy |
5×10-7 |
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| Output Characteristics |
| Output range |
-80dBm to -140dBm in 1dB step |
| Indication |
VFD display |
| Accuracy |
±1.0 dB for -80dBm to -140dBm |
| Output impedance |
50Ω, VSWR less than 1.2 |
| Spurious output |
Less then -40dB at second harmonic |
| Setting |
Can be set with shuttle knob, GP-IB, RS-232C |
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| Modulation |
| Modulation method |
BPSK direct sequence spread spectrum modulation |
| Indication |
VFD display |
| Modulation code |
37 C/A codes |
| Channel |
SV1 to SV37 |
| Modulation frequency |
1.023MHz clock |
| Data modulation |
C/A code synchronized divider, 50bps BPSK |
| NAVI data |
50bps test pattern |
| Setting |
Can be set with shuttle knob, GP-IB, RS-232C |
| Z count |
Automatic increment function is equipped so as to synchronize with real time clock. |
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| Interface Function |
| Parallel interface |
GP-IB (Complying with IEEE standard 488-1975) |
| Serial interface |
RS-232C |
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| General Data |
| Operating temperature range |
+10ºC to +40ºC |
| Power requirement |
AC90V to 240V, 50/60Hz |
| Dimensions |
Approx. 240(W) × 100(H) × 350(D)mm |
| Weight |
Approx. 3.7kg |
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