
Accessories
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Instruction manual
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4-conductor cable (with a connector; 2 m) A4372-02
I N F R A R E D D E T E C T O R
Amplifier for infrared detector
C4159/C5185 series, C3757-02
Low noise amplifier for InGaAs, PbS, PbSe and MCT detector
I
Absolute maximum ratings (Ta=25
°
C)
Parameter
Operating temperature
Storage temperature
Value
0 to +40
-20 to +70
Unit
°C
°C
I
Amplifiers for photovoltaic detectors (Typ.)
Parameter
C4159-01
InSb (dewer type) *
1
(
φ
0.6 mm, 1 mm)
10
8
, 10
7
, 10
6
(3 ranges switchable)
DC to 100 k
50
+10
±5
C4159-04
InSb (dewer type) *
1
(
φ
2 mm)
2 × 10
7
, 2 × 10
6
, 2 × 10
5
(3 ranges switchable)
DC to 45 k
50
+10
±5
C4159-05
InAs
(P7163)
C4159-02
C4159-03
Unit
Applicable detector
InGaAs
InGaAs
-
Conversion impedance
10
8
, 10
7
, 10
6
(3 ranges switchable)
DC to 15 k
50
+10
±10
0.15 (10
8
, 10
7
range)
0.65 (10
6
range)
250 to 5 × 10
3
continuous
20 to 120 M
50
±1.3
±30
10
7
, 10
6
, 10
5
(3 ranges switchable)
DC to 15 k
50
+10
±5
V/A
Frequency response (amp. only, -3 dB)
Output impedance
Maximum output voltage (1 k
load)
Output offset voltage
Hz
V
mV
Equivalent input noise current (f=1 kHz)
0.15 *
2
0.55
30
2.5
pA/Hz
1/2
Reverse voltage
Impossible
Internally
generated
±15
+90, -60 Max.
Can be applied
from external unit
±15
±15 Max.
-
External power supply
Current consumption *
3
Note) Output nose voltage = Equivalent input noise current × Conversion impedance
±15
V
+30, -10 Max.
mA
I
Amplifiers for photoconductive detectors (Typ.)
Parameter
C5185
C5185-01
MCT
C3757-02
Unit
Applicable detector
MCT (dewar type),
InSb (P6606 series)
5
66 (× 2000)
5 to 250 k
5 mA, 10 mA, 15 mA
(3 ranges switchable)
50
±2.5
2.6
±15
+60, -10 Max.
(P3981/P2750 series) *
4
5
66 (× 2000)
5 to 250 k
0.1 mA, 0.5 mA, 1 mA
(3 ranges switchable)
50
±2.5
1.2
±15
+60, -10 Max.
PbS, PbSe
-
Input impedance
Voltage gain
Frequency response (amp. only, -3 dB)
10000
40 (× 100)
0.2 to 10 k
k
dB
Hz
Detector bias current
Internal bias
-
Output impedance
Maximum output voltage (1 k
load)
Equivalent input noise voltage (f=1 kHz)
External power supply
Current consumption *
3
Note) Output noise voltage = Equivalent input noise voltage
× Voltage gain
*1: Amplifiers for multi-element detectors are separately provided.
*2: 0.65 pA/Hz
1/2
when conversion impedance is set to 10
6
V/A
*3: Recommended DC power supply (analog power supply): ±15 V
Current capacity: More than 1.5 times the maximum current consumption
Ripple noise: 6 mVp-p or less
*4: Preamp for P3257-30/-31 available upon request
50
±10
40
±15
V
nV/Hz
1/2
V
mA
+15, -15 Max.
1