1.2 S
PECIFICATIONS
E
L
OCK
I
N
203
1.2.1 L
OCK
-I
N
A
MPLIFIER
General
Digital Quad-Phase Lock-In Amplifier
Dynamic Reserve
135 dB
Noise (single ended A)
< 5 nV
rms
/Hz
0.5
@ 100kHz
Remote Control
Ethernet
Time Constants
0.1 ms ... 1 ks
Full Scale Sensitivity
10 nV ... 10 V in 1-2-5 sequence
Phase Resolution
0.0001°
Signal Input
Voltage Input (A and B)
BNC, single-ended (A) or dual
(A&B) or differential (A-B)
Input Coupling
DC or AC (f
-3dB
= 2 Hz)
Damage Threshold
+/- 12 V
Full Scale Input Ranges
±3.6
V
rms
,
±36
0 mV
rms
,
±
35 mV
rms
Roll-Off
6 dB/oct, 12 dB/oct, 24 dB/oct
Time Constants
0.1 ms to 1 ks in1-2-5 steps or in
Sync-Mode:
1/f to 200/f in 1-2-5 steps
Gain Deviations between Dynamic Ranges:
< 1 %
Gain accuracy @ 22°C
±(0.0004 % of range
+ 0.5 % measurement)
Input Impedance
~ 1 M
Ω ||
10 pF
Bandwidth
dc to 250 kHz
Input Noise @ U
out
= 0 V,
τ
= 1 ms
with 50
Ω
@ input
@ 100 kHz, high dynamic
<
300 nV
rms
/Hz
0.5
@ 100 kHz, normal dynamic
<
30 nV
rms
/Hz
0.5
@ 100 kHz, low dynamic
<
5 nV
rms
/Hz
0.5
Harmonic distorsion
- 80 dB
7 (58)
Summary of Contents for eLockIn 203
Page 52: ...7 APPENDICES 7 1 SCHEMATIC DIAGRAM OF THE SIGNAL PATHS 52 58...
Page 53: ...7 2 DIAGRAM OF THE LOCKIN AMPLIFICATION PATHS Diagram of the preamplifier switches 53 58...
Page 54: ...7 3 FRONTPANEL DIMENSIONS 54 58...
Page 55: ...7 4 INSTRUMENT SPECIFIC TEST SHEETS insert with 10 pages of data 55 58...
Page 56: ...7 5 PREAMPLIFIER CONNECTOR PINOUT 56 58...
Page 58: ...7 7 TRACEABILITY CHART 58 58...