| 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 |