Kenwood TK-3148 Service Manual

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Contents

TK-314833ADJUSTMENT / 调整Test Equipment Required for AlignmentTest Equipment Major Specifications1. Standard Signal Generator Frequency Range 350 to 400MHz(SSG) Modulation Frequency modulation and external modulation.Output -127dBm/0.1μV to greater than -47dBm/1mV2. Power Meter Input Impedance 50Ω.Operation Frequency 350 to 400MHz or more.Measurement Range Vicinity of 10W3. Deviation Meter Frequency Range 350 to 400MHz.4. Digital Volt Meter Measuring Range 10mV to 10V DC(DVM) Input Impedance High input impedance for minimum circuit loading.5. Oscilloscope DC through 30MHz.6. High Sensitivity Frequency Range 10Hz to 1000MHz.Frequency Counter Frequency Stability 0.2ppm or less.7. Ammeter 5A.8. AF Volt Meter Frequency Range 50Hz to 10kHz.(AF VTVM) Voltage Range 1mV to 10V.9. Audio Generator (AG) Frequency Range 50Hz to 5kHz or more.Output 0 to 1V.10. Distortion Meter Capability 3% or less at 1kHz.Input Level 50mV to 10Vrms.11. Spectrum Analyzer Measuring Range DC to 1GHz or more12. Tracking Generator Center frequency 50kHz to 600MHzOutput Voltage 100mV or more13. 16Ω Dummy Load Approx. 16Ω, 3W.14. Regulated Power Supply 5V to 10V, approx. 5AUseful if ammeter equipped.所需的用于调整的测试设备测试设备主要规格1. 标准信号发生器频率范围 350 到 400MHz(SSG) 调制调频和外部调制输出 -127dBm/0.1 μ V 到大于 -47dBm/1mV2. 功率计输入阻抗 50 Ω操作频率 350 到 400MHz 或更高测量范围 10W 左右3. 频偏仪频率范围 350 到 400MHz4. 数字电压表（DVM）测量范围直流 10mV 到 10V输入阻抗为最小电路负载高输入阻抗5. 示波器直流到 30MHz6. 高灵敏度频率计数器频率范围 10Hz 到 1000MHz频率稳定性 0.2ppm 或更低7. 电流表 5A.8. 音频电压表（AF VTVM）频率范围 50Hz 到 10kHz电压范围 1mV 到 10V9. 音频发生器频率范围 50Hz 到 5kHz 或更高输出 0 到 1V10. 失真测试仪能力在 1kHz 时 3％或更低输入电平 50mV 到 10Vrms11. 频谱分析仪测量范围直流到 1GHz 或更高12. 轨迹发生器中心频率 50kHz 到 600MHz输出电压 100mV 或更高13. 16 Ω假负载大约 16 Ω，3W14. 可调电源 5V 到 10V，大约 5A配备了电流表时更好