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MAS-8421
AM/FM Stereo Signal Generator
Replacement : MAS-8420
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MAS-8421 is an AM/FM Standard Signal Generator incorporating DDS method to all generator sections including RF generator for 100kHz〜170MHz signal, internal modulation signal generator, AM/FM monaural, FM stereo modulation signal generator.



FEATURES

Compact, light weight, energy saving design
High speed response
Programmable AF
High output level 〜 132dBμV(EMF) option
High precision signal

SPECIFICATIONS

 Model number  MAS-8421
SG section
RF output signal Output method DDS method
Frequency range 100kHz to 170MHz
Setting resolution 100 Hz
Frequency accuracy ±5×10??
Output level range: Standard -20dBμV 〜 126dBμV(EMF)
Output level range: Option -20dBμV 〜 132dBμV(EMF)
Output level accuracy ±1.5 dB
Output impedance 50 Ω
VSWR ≦1.3
Spurious Harmonics: ≦-30dBc/non-harmonic: ≦-40dBc
Residual FM ≦-80dB(AF 1kHz, FM 75kHz)
Residual AM ≦-55dB(AF 1kHz, AM 30%)
Leakage interference Does not affect the performance at 0 dB μV output
Attenuator Harmonics Less than -30dBc
RANGE OUT Ext. relay drive signal output
FM modulation Frequency deviation 0kHz 〜 135kHz
Setting resolution 0.1kHz
Modulation accuracy 10.7 MHz ±1 MHz
76 MHz 〜 108 MHz ± (setting×0.1+0.5) kHz
0.3 Mhz to 170 MHz +/- (setting×0.1+1) kHz
Distortion factor ≦0.05%(10.7MHz ± 1MHz, 76 〜 108MHz)
≦0.1%(0.3MHz 〜 170MHz)
≦0.1%(0.3MHz 〜 170MHz)
Parasitic AM ≦0.5%(10.7MHz ± 1MHz, 76 〜 108MHz)
(AF 1kHz, FM 75kHz)
Ext. modulation Freq. range 50Hz 〜 100kHz
Freq. ±1dB (1kHz ref.)
Impedance 10kΩ(unbalance)
Input voltage 1Vp-p ± 2%
FM stereo modulation Internal Programmable AF  *Any freq. possible
Modulation mode MONO/L=R/L/R/L=-R/L&R/OFF
L,R separation ≧ 55dB
Modulation factor
setting range
0 〜 135%(75kHz/100%)
Mono only〜 150%
Setting resolution 1%
Pilot setting range 0 〜 15%
Pilot setting resolution 0.1%
ReemphasisPilot setting resolution 25μs / 50μs / 75μs / OFF
AM modulation Moduation depth 0 〜 100%
(≧120dB:30% Max)
Setting resolution 0.1%
Accuracy 0.4 MHz 〜 1.7 MHz ± ( setting× 0.1+1)%
0.15 MHz 〜 170 MHz ± ( setting× 0.1+2 )%
(AF 1kHz, Modulation factor ≦80%, RF output  ≦120dBμV)
Distortion factor RF frequency
(MHz)
Modulation factor
0 〜 30 % 30.1 〜 60 % 60.1 〜 80%
0.4 〜 1.7 ≦0.5 % ≦1.5 % ≦3.0 %
0.15 〜 170 ≦1.5 % ≦3.0 % ≦5.0%
However, RF output level: 100 dBμV (EMF)
Internal modulation frequency Programmable AF *Any freq. possible
Ext. modulation Freq. range 50Hz 〜 20kHz
Freq. characterisitcs ± 1dB (1kHz Ref.)
Impedance 10k Ω (Unbalance)
Input voltage 1Vp-p ± 2%

General
Interface HDMI×1 /  LAN(10/100BaseT) ×1 /  USB-A ×3  /  USB-B ×1
Rated power voltage AC100V 〜 240V 50/60Hz
Power consumption Approx. 20VA
External dimensions, weight 240(W) × 100(H) × 385(D) mm, approx.4 s
Performance guaranteed condition 10℃〜 35℃,5%〜 85% RH(no dew condensation)
Storage condition -10℃〜 50℃,5%〜 95% RH(no dew condensation)

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