The instrument utilizes digital signal processing dsp to replace the demodulators output filters and amplifiers found in conventional lock ins.
Sr810 lock in amplifier manual.
All instrument functions are set from the front panel keypad and a spin knob is provided to quickly adjust parameters.
Full scale sensitivity 2 nv to 1 v in a 1 2 5 10 sequence expand off.
The sr810 lock in digital amplifier lida provides high performance at a reasonable cost.
The primary advantage that a lock in amplifier pro vides.
X r x noise aux input 1 or 2.
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Current input or 10 volts amp.
The display can also be any of these quantities divided by aux input 1 or 2.
Simultaneously displays the magnitude and uses digital signal processing dsp to replace the demodulators output filters and amplifiers found in conventional lock ins.
A lock in amplifier can make accurate measurements of small signals even when the signals are obscured by noise sources which may be a thousand times larger.
Sr810 dsp lock in amplifier specifications signal channel voltage inputs single ended a or differential a b.
When the sr830 dis plays a magnitude of 1v rms the component of.
Y and q are available over the interface only offset x y and r may be offset up to 105 of full scale.
The sr810 lock in amplifier and sr830 lock in amplifier are simple to use.
Only inputs at frequencies at the reference frequency result in an output.
The heart of the sr810 and sr830 like any lock in amplifier is the demodulator which multiplies the input signal by the reference signal and filters the result.
In this video i am talking about sr830 lock in amplifier which includes its principle and working.
The sr830 dsp lock in amplifier provides high performance at a reasonable cost.
Lock in amplifiers as a general rule display the input signal in volts rms.
Essentially a lock in is a filter with an arbitrarily narrow bandwidth which is tuned to the frequency of the signal.
Y via interface only.
Sr810 dsp lock in amplifier 1 6 displays channel 1 4 1 2 digit led display with 40 segment led bar graph.
