厂家: 日本安立
尺寸: 42x20x30 cm
PCM测试仪 PCM MULTIPLEX TESTER MS339A
FUNCTION:
INTER-MODULATION:50Hz、1850Hz
LEVEL
CROSSTALX
GAIN VS LEVEL:SINE(820Hz)、NOISE
OUANT DISTORTION:SINE(820Hz)、NOISE
IDLE NOISE(P SOPHO METER)
GAIN VS FREQ 0dBm0
SEND AND RECEIVE LEVEL(dBm0):-50~10(分7档),0~-10(分11档)
SEND FREQUENCY(Hz):210~3600(分12档)
RELATIVE LEVEL(dBr):
RECEIVE:-10~+8(分10档),-1.0~1.0(分11档)
SEND:-16~+2(分10档),-2.0~0(分11档)
OUTPUT:600ohm
ITU-T Recommendation
PCM数字信号分析仪 PCM DIGITAL SIGNAL ANALYZER MH340A
TELEPHONE CHANNEL:1-15(分15档),16-30(分15档)
8BITS WORD:BIT NUMBER:1-8
FRAME ERROR OUTPUT(TTL)
SIGNALLING OUTPUT(TTL)
PATTERN INPUT:120ohm、75ohm
INPUT FORMAT:
120ohm:AMI、HDB3
75ohm:AMI、HDB3、NRZ、RZ
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