选频电压表 HP3586C

厂家:美国惠普

50Hz - 32.5MHz(50/75Ω非平衡)
50Hz - 108kHz(600Ω平衡)
频率分辨力0.1Hz

The HP 3586C selective level meter finds applications in general- purpose wave analysis for the design, manufacture, and maintenance of electronic systems. The HP 3586C is fully HP-IB programmable and covers the frequency range of 50 Hz to 32.5 MHz. This allows you to measure audio, sonar, and other low-frequency systems, as well as high-frequency communications subsystems. The HP 3586C provides input impedances of 50,75,and 600 fa with 10 kfl bridging for maximum measurement flexibility in a wide variety of applications. Measure signal levels with up to ± 0.2 dB accuracy down to --80 dB, with 0.01 dB resolution and bandwidth choices of 20,400,or 3100 Hz. The built-in counter and narrow-resolution bandwidths allow harmonic and intermodulation measurements to be made with ease. Frequency can be set or measured with 0.1 Hz resolution and 10 ppm stability (± 0.2 ppm optional). For frequency response measurement of high-Q filters and other selective networks, the companion HP 3336C synthesizer/level generator (sold separately) functions as a full-featured, HP-IB programmable tracking generator.

The HP 3586C selective Level Meter is designed for precise frequency selective measurements such as harmonic level and distortion measurements. Examples are LF, medium frequency amplifier and audio amplifier measurements, non-harmonic spurious testing, and production testing. The HP3586C is a precise spectrum analyzer without sweep. Possible also a selectable wideband RMS measurement

+20 to -130dBm measurement range
0.01 dB ! amplitude resolution
Input Impedance 50, 75, 10k Ohm unbalanced 200-32.5 MHz
Input Impedance 600 Ohm bridged 100 Hz to 100 kHz
some ranges are usable over wider frequencies ranges than specified
noise level about -115dBm
Intermodulation Distortion 2nd and 3rd order in band: separation 20k-1M and both tones 78dB below full scale

Together with a HP 3336B sythesizer you can do automatic measurements with or without a computer. Connecting a simple GPIB cable between the instruments, the generator will lock automatically to the adjusted analyzer frequency. The service manual consist of several hundred pages and the instruments weight is about 20kg. The sister modell HP 3586A/B has other input impedances and is more designed for telecommunication applications.

Wideband power measurements can be made up to 32.5MHz and down to -45 dBm. Measure selectivity in LO Distortion or LO Noise modes or use USB or LSB for single sideband demodulation of a carrier.

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