有线电视选台器 有线电视协调器 调制器

HM600

VM300

描述
  泰宇电子HM600调变器,为19英吋之标准机壳,最多可安装14组的调变器,并含一组电源,是最有成本效率的组合。我们根据客户的需求,在出厂前,将调变器设定到固定的频道及频率输出。台山电子提供品质卓越的产品,在UHF及VHF的频宽中提供稳定且值得信赖的功能。对于CATV、MMDS及SMATV头端业者,HM600是您最理想的选择。
特色与优点
设频输出频率自48到600MHz 
● 输出频率由工厂设定 
● 优异的谐波输出 
● 极准确性之石英控制震荡器 
● SAW滤波器技术 
● 提供专业影像品质
● 调变器为小型可插取式模块 
● 每一机壳可含14组调变器
● 每一频道对应一调变器模块 
● 低消耗功率
● 内含电源供应器
前面板控制器与指示灯
1. AUDIO 调整声音载波调变 
2. VIDEO 调整影像调变比率 
3. PWR   关电源时,省电LED开 
4. A/V   改变声音影像比例时,可控制声音RF载波振幅 
5. CH    指示原始设定的输出频道数字 
6. RF    同时调整声音与影像载波的振幅 
后面版的连结
2. 电源输入  DC 电源输入 
            NC
            + 5 Vdc
            +12 Vdc
            Ground 
1. 影像输入 从0.7 to 2.5 Vpp标准负同步影像的输入 
3. 声音输入 从 0.5 Vrms 到 1.5 Vrms的声音输入 
4. RF 输出 RF 过滤讯号输出到整合器(Combiner) 
技术规格NISC Applicable)

Video :

Input Connector

F-Type Female.

Input Impedance

75 Ohms.

Nominal Input Level

1 Vpp

Input Adjustment Range

0.75V to 1.7V input

@ 87.5% modulation.

Differential Gain

± 4% @ 87.5% modulation.

Differential Phase

± 4° @ 87.5% modulation.

Input Return Loss

18 dB (min)

Video S/N

60 dB (min)

 

Audio :

Input Connector

RCA Female

Input Impedance

10K Ohms

Nominal Input Level

1 Vpp

Input Adjustment Range

0.5V to 1.5V RMS

(±25 KHz deviation)

Signal-to-Noise Ratio

54 dB Typical

THD

0.5% Typical, 1% Max @ 1KHz

Frequency Response

±1.0 dB, referenced to standard

75 *s pre-emphasis, NTSC

 

General :

Operating Temperature

0 * to 50 ℃

Storage Temperature

-20 * to 80 ℃

Power Requirements

12 Vdc @ 150 mA

(Per channel)

5 Vdc @ 30 mA

Power Input Connector

Right Angle Male

Output channel

Optional

 

RF Output :

Frequency Range

48 to 600 MHz

Output Level

+ 37 dBmV (min)

Output Adjustment Range

0 to -15 dB.(adjustable)

@ O/P level is max.

Output Connector

F-type, Female

Output Impedance

75 Ohms.

Visual carrier Frequency

± 10 KHz

Tolerance

(Standard Channels)

Aural/Visual Carrier Ratio

-15 dB * 1 dB

@ 37 dBmV O/P level

-9 to -20 dB (adjustable)

@ 37 dBmV O/P level

Aural Carrier

4.5 MHz above Visual

Spurious Outputs

-62 dBc (max)

@ 37 dBmV O/P level

Spurious Outputs

-60 dBc (max)

(14 Channels per set)

 

Output Return Loss

12 dB (min)

@ 37 dBmV O/P level

Aural Inter-carrier Tolerance

± 5 KHz

(0℃ to + 50℃)

 

Dimension :

Case size

445 (W) x 89 (H) x 193 (D)mm

Module size

26 (W) x 89 (H) x 205 (D) mm


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Tel:(021)-54422826
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