■Frequency stability of internal reference oscillator is less then 5×10-7
■Rapid changing output level and the level range is from -80dBm to -140dBm
■Doppler shift function is not built-in
■The output terminal is DC-cut to able to connect to the powered antenna cable.
■All NAVI data preset by GP-IB line and also RS-232C.
■An automatic Z count increment function is equipped so as to synchronize with real time clock.
■The front panel operation can be programmed by GP-IB and RS-232C.
* The application program is attached.
規(guī)格

Frequency Characteristics 
Frequency 1.57542GHz 
Indication VFD display 
Accuracy 5×10-7 
 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 
 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 pider, 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. 
 Interface Function 
Parallel interface GP-IB (Complying with IEEE standard 488-1975) 
Serial interface RS-232C 
 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