SPECIFICATIONS |
Model |
SG-7130 |
SG-7200 |
Frequency |
Range |
100kHz to 1.3GHz |
100kHz to 2GHz |
Resolution |
10Hz (fc≤1.02GHz) |
20Hz (fc>1.02GHz fc: carrier frequency) |
Accuracy |
Same as reference oscillator |
Display |
9 digits |
Switching speed |
50ms (standard)? Maximum :150ms |
Reference oscillator |
Frequency |
50MHz |
Stability |
Temperature stability :±5×10-5 (5 to 35°C) Aging rate :±2×10-6/Week |
External reference input |
Frequency |
10MHz±200Hz |
Level |
0.15Vrms or more (50Ω load) |
Maximum input voltage |
5V (DC ACpeak) |
External reference output |
Frequency |
10MHz |
Level |
0.15Vrms or more ( 50Ω load) |
Output level |
Setting range |
-133dBm to 13dBm -26dBμ to 120dBμ -20EMF dBμ to 126EMF dBμ (The maximum output level range during AM modulation is up to -6dB of the above range) |
Units |
dBm (0dB=1mW? 50Ω load) dBμ (0dB=1μV) EMF dBμ (0dB=1μV? open-circuit) |
Resolution |
0.1dB |
Display |
4 digits digital display |
Frequency response |
±1dB (fc≤1.02GHz) ±1.5dB (fc>1.02GHz) (output level :0dBm) |
Output level accuracy |
At 100kHz≤fc≤130MHz |
±1dB (≥-10dBm) ±1.5dB (≥-120dBm) ±2dB (≥-127dBm) |
At 130MHz<fc≤1.02GHz |
±1dB (≥-10dBm) ±1.5dB (≥-120dBm) ±2dB (≥-123dBm) |
At fc>1.02GHz |
±1.5dB (≥-93dBm) ±2dB (≥-103dBm) ±3dB (≥-110dBm) |
Output impedance |
50Ω (N-connector) |
VSWR |
1.3 max.(fc≤1GHz) 1.8 max.(fc>1GHz) (at output level :-13dBm or less) |
Reverse power protection |
Max. 25W? DC25V |
Model |
SG-7130 |
SG-7200 |
Signal purity |
Spurious output |
(at output level :0dB max.? fundamental wave=0dBc) |
Higher harmonic |
-30dBc max. |
Subharmonic |
-50dBc max. (1.02GHz≤fc≤1.3GHz) -40dBc max. (fc>1.3GHz) |
-50dBc max. (1.02GHz≤fc≤1.7GHz) -40dBc max. (fc>1.7GHz ) |
Non-harmonic |
-60dBc maximum when the 0dBm output level is at least ±5kHz from the carrier in CW mode (Band: ≤500MHz 100kHz≤fc≤130MHz) -40dBc max. (Band: >500MHz 100kHz≤fc≤130MHz) -60dBc max. (130MHz<fc≤1.02GHz) -54dBcmax? (fc>1.02GHz) |
SSB phase noise |
At offset frequency 20kHz -120dBc/Hz max. (100kHz≤fc≤130MHz) -130dBc/Hz max. (130MHz<fc≤255MHz) -125dBc/Hz max. (255MHz<fc≤510MHz) -120dBc/Hz max. (510MHz<fc≤1.02GHz) -115dBc/Hz max. (1.02GHz<fc≤1.3GHz) |
At offset frequency 20kHz -120dBc/Hz max. (100kHz≤fc≤130MHz) -130dBc/Hz max. (130MHz<fc≤255MHz) -125dBc/Hz max. (255MHz<fc≤510MHz) -120dBc/Hz max. (510MHz<fc≤1.02GHz) -115dBc/Hz max. (1.02GHz<fc≤2GHz ) |
Vestigial modulation |
(S/N) |
Vestigial FM |
At demodulation band : 0.3 to 3kHz? deviation : 3.5kHz 12Hz(49dB) max. (100kHz≤fc≤130MHz) 3Hz(61dB) max. (130MHz<fc≤255MHz) 6Hz(55dB) max. (255MHz<fc≤510MHz) 12Hz(40dB) max. (510MHz<fc≤1.02GHz) 24Hz(43dB) max. (1.02GHz<fc≤2MHz) unit ; rms (vestigial FM) dB : relative value for 3.5kHz deviation At demodulation band :50Hz to 15kHz deviation : 75kHz 16Hz(73dB) max. (100kHz≤fc≤130MHz) 50μs de-emphasis : on dB : relative value for 3.5kHz deviation |
Vestigial AM |
0.03% (60dB) max. (dB : relative value for 30% modulation) CW mode? demodulation band 50Hz to 15kHz (at 30% modulation) |
Model |
SG-7130 |
SG-7200 |
Modulation |
Internal modulation frequency |
1kHz±3% 400Hz±3% (Dependent on 1kHz and 400Hz changeover) |
External modulation input |
|
Input impedance |
Approx. 10kΩ (unbalanced) |
Input voltage |
2Vp-p (0V center) |
Maximum voltage |
15V (DC ACpeak) |
FM modulation (AC-FM) |
|
Display |
3digits? digital display |
Frequency deviation setting range and resolution |
fc |
range |
100kHz≤fc≤127.5MHz |
|
Frequency deviation |
0 to 9.99kHz |
10 to 99.9kHz |
100 to 250kHz |
Resolution |
10Hz |
100Hz |
1kHz |
127.5MHz≤fc≤260MHz |
|
Frequency deviation |
0 to 9.99kHz |
10 to 60kHz |
Resolution |
10Hz |
100Hz |
260MHz≤fc≤520MHz |
|
Frequency deviation |
0 to 9.99kHz |
10 to 99.9kHz |
100 to 125kHz |
Resolution |
10Hz |
100Hz |
1kHz |
520MHz≤fc≤1.04GHz |
|
Frequency deviation |
0 to 9.99kHz |
10 to 99.9kHz |
100 to 250kHz |
Resolution |
10Hz |
100Hz |
1kHz |
1.04GHz≤fc≤2GHz [1.3GHz] |
|
Frequency deviation |
0 to 4.99kHz |
5 to 49.9kHz |
50 to 500kHz |
Resolution |
10Hz |
100Hz |
1kHz |
Accuracy |
±5% of the maximum frequency shift in the above range (but 1kHz modulation frequency does not include the residual FM component? and the guaranteed range is fc×10% of the frequency range when fc ≤ 2.5MHz? up to a maximum frequency shift of 400kHz) |
External modulation frequency response |
±1dB (External modulation frequency 20Hz to 70kHz? 1kHz standard? and 22.5kHz deviation) |
Modulation distortion |
0.5% max. (demodulation band : 50Hz to 15kHz? modulation frequency : 1kHz? deviation :22.5kHz) |
Parasitic AM |
0.5% max. (demodulation band : 50Hz to 15kHz? modulation frequency : 1kHz? 75kHz(60kHz) deviation : fc>500kHz) |
DC-FM |
(at FM deviation : less than 10kHz) |
Frequency accuracy |
±(reference oscillator 500Hz) (100kHz≤fc≤130MHz) ±(reference oscillator 125Hz) (130MHz<fc≤255MHz) ±(reference oscillator 250Hz) (255MHz<fc≤510MHz) ±(reference oscillator 500Hz) (510MHz<fc≤1.02GHz) ±(reference oscillator 1kHz) (1.02GHz<fc≤1.3GHz) |
±(reference oscillator 500Hz) (100kHz≤fc≤130MHz) ±(reference oscillator 125Hz) (130MHz<fc≤255MHz) ±(reference oscillator 250Hz) (255MHz<fc≤510MHz) ±(reference oscillator 500Hz) (510MHz<fc≤1.02GHz) ±(reference oscillator 1kHz) (1.02GHz<fc≤2GHz) |
Stability |
100Hz/60 minute max. (except fluctuations of standard oscillator) |
External modulation |
frequency response |
±1dB (External modulation frequency DC to 70kHz? 1kHz standard? and 22.5kHz deviation) |
AM modulation |
Settable range |
0 to 99.9% |
Modulation factor guaranteed range |
0 to 80% (at output level :7dBm max.) |
Resolution |
0.1% |
Display |
3 digits digital display |
Accuracy |
(display value ±5%) modulation factor≤80% ( at modulation frequency :1kHz) |
|
|
External modulation frequency response |
±1dB (External modulation frequency 20Hz to 70kHz? 1kHz standard? and 22.5kHz deviation) |
Modulation distortion |
1.5% max. (fc≤1.02GHz) 2.5% max. (fc>1.02GHz) ( at demodulation band : 50Hz to 15kHz? modulation Frequency : 1kHz? 30% modulation) |
Parasitic FM |
200Hz peak max. (fc≤1.02GHz) 400Hz peak max. (fc>1.02GHz) (demodulation band :0.3∼3kHz? modulation Frequency :1kHz? 30% modulation? output level : 7dBm max.) |
Functions |
Simultaneous modulation |
FM-AM Simultaneous modulation FM-FM Simultaneous modulation |
Hi-Lo monitor function with a width of ±2% of the external modulation input Continuously variable output |
level function |
Continuously variable output (except during AM modulation) in 0.1dB steps between ±5dB of any selected point? without main attenuator changeover or short break |
RF?ON/OFF function |
RF output on/OFF switching by RF OFF key |
Special functions |
Memory protect? internal modulation frequency changeover? FM-FM modulation preset? frequency offset mode? special function initial settings? etc. |
Set function |
Various settings with numeric pad and rotary knob (cursor location) and various settings with step keys and preset keys |
Memory function |
100-point memory (frequency? output level? degree of modulation? and other items)? which can be used as 10 points x 10 or 100 continuous points? and a backup memory function |
Dump function |
Can transfer contents of 100-point memory to the same models |
Remote control function |
Same control of operation as from front panel? except for power on/OFF |
GP-IB Interface |
SH1? AH1? T3? L4? SR0? RL1? PP0? DC1? DT0? C0 |
Environmental condition |
Temperature/humidity for operation |
0 to 40°C 90% max. |
Temperature/humidity for characteristics in spec. |
5 to 35°C 85% max. |
Leakage interference |
Maximum signal leakage of 1μV at 50Ω terminal voltage? measured with a 25mm-diameter? dual-loop attenuator located 25mm from the front panel |
General |
Power requirements |
AC90 to 250V 50Hz/60Hz |
Power consumption |
Approx. 38W |
Case dimensions |
426(W)×99(H)×400(D)mm |
Maximum dimensions |
431(W)×115(H)×466(D)mm |
Weight |
Approx. 11kg |
Factory option |
(1) High stability crystal oscillator (±5×10-8) OP-18 (2) High stability crystal oscillator (±5×10-7) OP-17 (3) Variable oscillator OP-16 20Hz to 6.5KHz : resolution 0.1Hz 6.5kHz to 65kHz : resolution 1Hz |