LEVEAR信號發(fā)生器
LEVEAR信號發(fā)生器
適合搭載M/FM收音機的汽車音響、便攜式音響等生產線使用。RF輸出頻率范圍為100kHz~165MHz(連續(xù)),是不損害以往操作性、測量功能的設計信號發(fā)生器。
VP-8195L AM/FM信號発生器
VP-8196L AM/FM信號発生器 RDS機能
AM/FM收音機、搭載調諧器的汽車導航系統(tǒng)、汽車音響、便攜式音響、家庭音響設備等檢查用信號源。
RF carrier frequency | |
Frequency range | 100 kHz to 165 MHz |
Resolution | 100 Hz |
Accuracy | ±5×10-6 |
Temperature coefficient | ±5×10-6( 10 ℃ to 35 ℃) |
RF carrier output | |
Level range | -20 dBμV to 126 dBμV[emf] |
-133 dBm to 13 dBm (50 Ω) | |
-134.8 dBm to 11.2 dBm (75 Ω) | |
Resolution | 0.1 dB |
Accuracy | ±1.5 dB( ≧0 dBμV[emf], 50 Ω) |
±2 dB( <0 dBμV[emf], 50 Ω) | |
Output impedance | 50 Ω/75 Ω |
VSWR | ≦1.3( ≦101 dBμV[emf], 50 Ω) |
Attenuator construction | Semiconductor( Except 109.0 to 109.1 dB points) |
Attenuator construction | Semiconductor( Except 109.0 to 109.1 dB points) |
RF carrier signal purity | |
Harmonic spurious | ≦-50 dBc (fc>45 MHz, except 120 MHz element) |
≦-40 dBc( fc≦45 MHz, fs≦45 MHz) | |
≦-30 dBc( fc≦45 MHz, fs>45 MHz) | |
Residual FM | ≧76 dB( 9.7 to 11.7 MHz / 76 to 108 MHz) |
≧73 dB( 0.3 to 165 MHz) | |
Mod. AF 1 kHz, FM 75 kHz | |
Demod. BW 50 Hz to 15 kHz, | |
De-emphasis 50 μs | |
Except beat element | |
Residual AM | ≧55 dB( 0.4 to 1.7 MHz) |
≧50 dB( 0.15 to 165 MHz) | |
Mod. AF 1 kHz, AM 30 % | |
Demod. BW 50 Hz to 15 kHz, | |
Except beat element |