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MSG-2280 요약정보 및 구매

상품 선택옵션 0 개, 추가옵션 0 개

제조사 MEGURO
브랜드 MEGURO
모델 MSG-2280
판매가격 5,280,000원
배송비결제 주문시 결제

선택된 옵션

  • MSG-2280 (+0원)
  • 카탈로그
  • 메뉴얼
  • 프로그램
  • 드라이버
  • 데이터시트

상품 정보

상품 상세설명

MSG-2280 FM Stereo/FM-AM Standard Signal Generator

This MSG-2280 high-performance digital standard signal generator adopts the DDS (Direct Digital Synthesizer) method. The wide frequency of this unit ranges from 100kHz to 170MHz covering the weather band, and it is provided with a built-in FM stereo modulator, so that this unit is the most suitable for adjusting and inspecting multi-band receivers.
Owing to the adoption of the DDS method, the frequency settling time is shorter than 10ms, so that the GP-IB measuring time can bIn addition to its high performance and multiple functions, all operation is controlled by a microprocessor to ensure easy operation and rapid work.
This unit is also provided with GP-IB, RS-232C, and EXT.I/O external control interfaces as standard so that it can be converted into an automatic measuring system.


 


Digital standard signal generator adopting the DDS method 
Owing to the adoption of the DDS method, this MSG-2280 signal generates precise RF frequencies over a wide range of 100kHz to 170MHz in addition to AF frequencies by its built-in AF oscillator.
10ms settling time
Adopting the DDS method ensures a high settling speed of frequencies and the response time is shorter than 10ms.
100kHz to 170MHz wide band
Its frequency range extends over a wide range from 100kHz to 170MHz covering the AM band, FM band, and weather band.
Electronic attenuator
Its highly reliable electronic attenuator ensures a long-time continuous use, and the output level (-20dBµV to 126dBµV) can be switched quickly and precisely.
An FM stereo modulator is built-in
This unit comprises MONO, MAIN, L, R, SUB, and OFF modulation modes and its L/R separation exceeds 60dB.
Multi-functions
This unit can execute AM/FM simultaneous modulation for testing the suppression degree of multi-pass signals.
Its output AGC and limiting sensitivity can be read directly by its ΔdB function.
It can also read the detuning frequency, etc. easily and directly by its ΔF function.Pre-emphasis can be set to OFF, 25µs, 50µs, and 75µs.
Memory function and interface
Data of 100 points can be stored and recall out by its memory function.This unit is also provided with GP-IB, RS-232C, and EXTI/O external control interfaces as its standard equipment so that it can be converted into an automatic measuring system.

 



 

 

 Frequency Section
Range100kHz to 170MHz
LED display/Resolution7digits/100Hz (Δf function)
Settling timeLess than 10ms
Accuracy±5×10-6


 

 Output Section
Output Range-20dBµV to 126dBµV (EMF)
LED display/Resolution4-digits/0.1dB
Accuracy±1.5dB
Leveling±1.5dB
Output impedance50Ω, VSWR < 1.3
UnitdBµV [EMF]
Spurious signals
• 2/3 rd Harmonic sprious< -30dB
• Non-Harmonic sprious< -40dB
AttenuataorElectronic attenuator(Semiconductor)
RF leakageWill not effect output level performance when 0dBµV is set 0dBµ


 

 Modulation Section
< FM Data >
Deviation range0 to 135kHz
Max.FM deviationFo≦35MHz,Up to 25% of carrier frequency
LED display/Resolution3-digit / 0.1kHz
Modulation accuracy

10.7MHz±1MHz (76MHz to 108MHz)
±(setting×0.1 + 0.5) kHz
0.3MHz to 170MHz
±(setting×0.1 + 1) kHz

Internal modulation
 Frequency10Hz to 100kHz
 Accuracy±0.1%
Ext.modulation
 Freq. range20Hz to 100kHz
 Impedance10kΩ unbal
 Input voltage1Vp-p ±2%
• Distortion

≦0.05% in 10.7MHz±1MHz
76MHz to 108MHz
≦0.1% in 0.3MHz to 170MHz
(With AF 1kHz at 75kHz dev. in BW 50 to 20kHz with 50µs de-emphasis applied)

 Residual FM< -80dB
(In demod.Band,80 to 20kHz with de-emphasis 50µS applied)
 Incidental AM

≦0.5%
(10.7MHz±1MHz,76MHz to 108MHz with AF 1kHz and FM 75kHz deviation)

<AM Data>
Distortion range0% to 100% (lower than 120dBµV)
0% to 30% (Higher than 120dBµV)
Modulation range

0% to 100% (lower than 120dBµV)
0% to 30% (Higher than 120dBµV)

LED Display/Resolution3-digits/0.1%
Accuracy

±(setting×0.1+1)% (0.4MHz to 1.7MHz≦80%)
±(setting×0.1+2)% (0.15MHz to 170MHz≦80%)

Internal modulation
• Frequency10 to 20kHz
• Accuracy±0.1%
Ext.modulation
• Freq. range20Hz to 20kHz (1kHz reference)
• Freq. response±1dB
• Impedance10kΩ (unbal)
• Input Voltage1Vp-p ±2%
• Distortion
RF Freq.
(MHz)
Modulation
0 to 30%30.1 to 60%60.1 to 80%
0.4 to 1.7≦0.5%≦1.5%≦3.0%
0.15 to 170≦1.5%≦3.0%≦5.0%
Residual AM0.5% (in demod.Band,80Hz to 15kHz)
Incidental FM≦75Hz (0.4MHz to 1.7MHz)
≦150Hz (0.15MHz to 170MHz)


 

 FM Stereo Modulation
Separation

≧55dB
(With AF 400Hz to 1kHz at 100% modulation in 76MHz to 108MHz)
≧40dB (With 50Hz to 15kHz)

Frequency response≦±1dB (20Hz to 15kHz with AF 1kHz reference)
Composite signal
 Output5Vp-p±10% (FM-MONO, 100% MOD)
 Setting range0 to 135% (75kHz/100%)
• Setting accuracy±1%
 Impedance600Ω
Distortion≦0.05% (100% MOD.)
S/N≧76dB
38kHz
 Leakage≦-50dB
Pilot signal
• Frequency19kHz±1Hz
• Output1Vrms±10% (Fixed)
 Impedance1kΩ
 Setting range0 to 15% in 0.1step
Modulation ModeL=R / L / R / L= -R / MONO / OFF
Intenal modulation
 Frequency range20 to 15kHz
 Frequency response±1dB
Pre-emphasis
Setting range25µs / 50µs / 75µs / OFF


 

 Interface Function
Parallel interfaceGP-IB complying with an IEEE std.488-1975
Serial intrefaceRS-232C
Ext.control interface (I/O)TTL level


 

 General Data
Operating Temperature range0ºC to +40ºC
Performance guarantee+10ºC to +35ºC
Power requirementsAC100 to 240V±10%, 50/60Hz, 42VA
Dimensions420 (W) × 100 (H) × 370 (D) mm
WeightApprox. 7.5kg

 

  

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