GENERAL INFORMATION
S
PECIFICATION
OF
THE
AMU5.0-LIA
General
Digital Dual-Phase Lock-In Amplifier
Dynamic Reserve
> 135 dB
Noise
2.5 nV
rms
/Hz
0.5
@ 100kHz
Time Constants
200 µs ... 5 s
Sensitivity
10 nV ... 10 V
Phase Resolution
0.0001°
S
IGNAL
I
NPUT
Voltage Input
single-ended SMB
Input coupling:
dc or ac (f
-3dB
= 2 Hz)
Input Impedance
1 M
Ω
|| 15 pF
Damage Threshold
+/- 12 V
Bandwidth
dc to 2 MHz
Input Ranges
± 10 V
pp
, ± 1 V
pp
, ± 100 mV
pp
Input Sensitivity
10 nV to 10 V
Input Noise (detected with 10 ms, 12 dB/Oct)
Uac = 0 V, 50
Ω
, 1 kHz .. 1 MHz
@ 100 kHz, high dynamic reserve
< 100 nV
rms
/Hz
0.5
(typ: 35 nV/Hz
0.5
)
@ 100 kHz, normal dynamic reserve
< 5 nV
rms
/Hz
0.5
(typ: 3.6 nV/Hz
0.5
)
@ 100 kHz, low noise
< 4 nV
rms
/Hz
0.5
(typ: 2.5 nV/Hz
0.5
)
RollOff
6 dB/oct, 12 dB/oct, 24 dB/oct, Sync
Time Constants
200 µs ... 5 s
Amplitude Accuracy
< 0.05 % of range
R
EFERENCE
O
UTPUT
Internal Oscillator
3 mHz ... 2 MHz
Frequency Resolution
3 mHz
Frequency Accuracy
+/- 25 ppm from 0 °C to 70 °C
Reference Output Voltage
< 1 mVpp ... 15 Vpp
Output Noise
@ 100 kHz, U
AC
= 0 V
< 200 nV
rms
/Hz
0.5
PLL
Frequency range
1 Hz .. 2 MHz
Locking time
< (100 ms + 10 Cycle)
Phase error
< 4 deg @ f = 1 kHz
Input amplitude
TTL, sine wave
Manual Anfatec PCI-Lockin Amplifier AMU5.0 – Rev. 1.01
Page 4 (34)
