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In conjunction with the [[015-0107-00]] Swept Frequency Converter (tracking generator), the 3L5 can also be used to make scalar frequency response measurements. | In conjunction with the [[015-0107-00]] Swept Frequency Converter (tracking generator), the 3L5 can also be used to make scalar frequency response measurements. | ||
{{BeginSpecs}} | |||
{{Spec | Center Frequency | 50 Hz to 990 kHz }} | |||
{{Spec | Dispersion | 10 Hz to 100 kHz }} | |||
{{Spec | Input Impedance | 1 MΩ // 30 pF }} | |||
{{Spec | Input Voltage | Max. 300 V (DC + peak AC) }} | |||
{{Spec | Vertical Resolution | Video: 100 mV/div to 100 V/div, LIN: 1 mV to 2 V<sub>RMS</sub> }} | |||
{{Spec | Internal Cal Signal | 5 kHz ±1% }} | |||
{{Spec | First LO Out | ≥1 MHz (Sweep), ≥1 V<sub>p-p</sub> into ≥1 kΩ }} | |||
{{Spec | Recorder Out | 5 mV to 15 mV into 600 Ω }} | |||
{{Spec | Weight | 2.7 kg / 6 lbs }} | |||
{{EndSpecs}} | |||
A video filter switch was added to the later SNs (1971 Catalog). | A video filter switch was added to the later SNs (1971 Catalog). | ||
The 3L5 | |||
==Internals== | |||
The 3L5 is a full semiconductor design except for the final output amplifier, which uses a [[8416]] vacuum tube. The circuit is based on the swept-frontend design, i.e. the first local oscillator is swept for the spectrum scan. | |||
=== 75 Ω Version === | === 75 Ω Version === | ||
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| [[3B4]] || <740 | | [[3B4]] || <740 | ||
|} | |} | ||
==Pictures== | ==Pictures== |