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Measurement Instruments Power Supply and Power Control produts Function Modules Customized Products
home > Products > Measurement Instruments > Lock-in Amplifier/Preamplifier > Preamplifier > SA series > Specifications
Product Information
Lock-in Amplifier/Preamplifier
Low Noise Amplifier
SA series

SA-200F3 SA-220F5 SA-230F5
Frequency range(typ.) DC to 800kHz 1kHz to 80MHz
1kHz to 100MHz
Input form DC coupling, unblanced single-ended input AC coupling, unbalanced single-ended input AC coupling, unblanced single-ended input
Input impedance 1k / 10k / 100kΩ ±5%(DC) 1MΩ ±5%(5 kHz) 50Ω ±5%(100kHz)
Input voltage noise density 0.7nV/√Hz max. (1kHz)
0.5nV/√Hz typ. (1kHz)
0.7nV/√Hz max. (100kHz)
0.5nV/√Hz typ. (10k to 1MHz)
0.35nV/√Hz max. (100kHz)
0.25nV/√Hz typ. (10k to 1MHz)
Input noise current density 2.2pA/√Hz typ.(10kHz) 200fA/√Hz typ.(100kHz) 5.0pA/√Hz typ.(100kHz)
Noise figure - - 0.7dB max. 0.6dB typ. (10MHz)
1.0dB max. 0.8dB typ. (100MHz)
Max. output voltage ±10V/1k (1kHz) 2.0Vp-p/50Ω
(1kHz to 20MHz)
1.8Vp-p/50Ω
(1kHz to 20MHz)
Output impedance 50Ω ± 5% (DC) 50Ω ± 5% (100kHz) 50Ω ± 5% (100kHz)
Voltage gain 40 ± 0.5dB / 1MΩ (1kHz) 46 ± 0.5dB / 50Ω (1MHz) 46 ± 0.5dB / 50Ω (20MHz)
Harmonics distortion 0.009% typ(1kHz, ±10V) - -
Intercept point - - 30dBm typ. (68MHz)
Supply voltage* ± 15V ±5% ± 15V ±5% + 15V ±5%
Dimension (mm) 68×43×17.6 68×43×28 68×43×17.6
Weight Approx. 90g Approx. 130g Approx. 90g
*Using LP5393 or LP5394 as a power supply

SA-410F3 SA-420F5 SA-421F5 SA-430F5
Frequency range(typ.)
DC to 1MHz
1kHz to 70MHz
30Hz to 30MHz
1kHz to 100MHz
Input form DC coupling, balanced differential input AC coupling, balanced differential input AC coupling, balanced differential input AC coupling, balanced differential input
Input impedance 1k/ 10k/ 100kΩ ±5% 1MΩ ±5%(1kHz) 1MΩ ±5%(1kHz) 50Ω ±5%(100kHz)
CMRR 110dB min.
80dB typ. (100kHz)
55dB min. (1kHz to 10MHz) 46dB min. (1kHz to 10MHz) 80dB min. 90dB typ. (100kHz)
Input voltage noise density 0.75nV/√Hz typ.(1kHz) 0.9nV/√Hz (100kHz to 10MHz) 0.5nV/√Hz (100kHz to 10MHz) 0.45nV/√Hz max. (100kHz)
0.35nV/√Hz typ.
(10k to 1MHz)
Input noise current density 4.5pA/√Hz typ. (10kHz) 100fA/√Hz (1kHz) 100fA/√Hz (100Hz) 7.0pA/√Hz typ. (100kHz)
Noise figure - - - 1.25dB max. 1.10dB typ.(10MHz)
1.75dB max. 1.40dB typ. (100MHz)
Max. output voltage ±10V/1kΩ(1kHz) 2Vp-p/50Ω
(1kHz to 20MHz)
2Vp-p/50Ω
(100Hz to 20MHz)
2Vp-p/50Ω
(1kHz to 20MHz)
Output impedance 50Ω ± 5% (100Hz) 50Ω ± 5%
(100kHz)
50Ω ± 5%
(100kHz)
50Ω ± 5%
(100kHz)
Voltage gain 40 ± 0.2dB / 1MΩ (1kHz) 46 ± 0.5dB / 50Ω (1MHz) 46 ± 0.5dB / 50Ω (1MHz) 46 ± 0.5dB / 50Ω (100kHz)
Harmonics distortion 0.004% typ.
(1kHz, ±10V)
- - -
Intercept point - - - 28dBm typ. (68MHz)
Supply voltage* ± 15V ±1V ± 15V ±5% ± 15V ±5% ± 15V ±5%
Dimension (mm) 76×50×21.1 68×43×28 68×43×28 68×43×28
Weight Approx. 105g Approx. 100g Approx. 100g Approx. 130g
* Using LP5393 or LP5394 as a power supply


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