高频信号发生器 SG-1710

特点
　- 府GPIB功能，LCD屏幕显示。
　- 400Hz/1KHz内置音频调制，处置调制阻抗600Ω，输入电平1Vpp。
　- 300个地址记忆设定，适任何市电操作。
　- 随机附有高频电览，电源线，操作使用说明书等。
　- 适合任何无线电通讯之调试。

技术指标
　* 频率
　　- 范围 : 200kHz~1GHz
　　- 步进 : 1Hz
　* 电平
　　- 范围 : -140dBμ~126dBμ at open circuit(-127dBm~13dBm)
　　- 步进 : 0.1dB
　* 调制
　　- FM 范围 : 0~100kHz
　　- AM 范围 : 0~100%
详细技术指标

FREQUENCY
	Range	200kHz ~ 1GHz

	Display	VFD

	Resolution	1Hz

	Accuracy	±0.5 x 10-6 (0.5ppm)

OUTPUT LEVEL
	Range	-14 dBμ ~ 126 dBμ at open circuit (-127dBm ~ 13dBm)

	Resolution	0.1dB

	Accuracy	±1.0dB (-4dBm~13dBm) ±1.5dB (-4dBm~ -37dBm) ±1.5dB+0.1dB/10dB step decrease (-37dBm~ -127dBm)

	Output Impedance	50Ω, VSWR: Less than 1.5

	Flatness	± 1.2dB at 0dBm (typically ±0.7dB)

	Harmonics	≤-30dBc

	Sub-Harmonics	≤-25dBc above 550MHz

	Spurious	< -50dBc (<137.5MHz), < -60dBc (137.5MHz ~ 1GHz)

	Residual Modulation	FM <30Hz (CF:<137.5MHz) <5Hz (CF:137.5MHz~275MHz) <10Hz (CF:275MHz~550MHz) <20Hz (CF:550MHz~1GHz) (with 50Hz~15kHz PDBW) AM <-65dBc (with 50Hz~15kHz PDBW)

	Reverse Power Protection	Max. 25W

MODULATION
	Frequency	400Hz , 1kHz , 3 kHz

	Internal Frequency	10Hz ~ 20kHz

	External Modulation	Impedance: 600Ω unbalanced Input Voltage: 1Vpeak

	FM
	- Deviation Range	0 ~ 100kHz
	- Resolution	100Hz
	- Accuracy	±6% of programmed setting(typically 3%)
	- Distortion	<2% (with 75kHz dev. : AF 1kHz, Demod.BW=50Hz~15kHz)

	AM
	- Range	0 ~ 100% (≤7dBm)
	- Resolution	0.1%
	- Accuracy	±1%+ (±5% of programmed setting)
	- Distortion	<5%(70~90% AM),<3% (30~70% AM),<1.5% (0~30% AM)

MEMORY CONTROL
	Memory	300 points

OTHERS
	Dimension	115(H) × 430(W) × 410(D) mm

	Weight	Approx : 14kg

	Power Requirements	115/ 230 VAC, 50/60Hz

	Standard Accessories	N-type Cable, Power Cable Operating manual, Fuse