C5923 Datasheet, PDF (2/2 Pages) Hamamatsu Corporation – Signal processing circuit for 1-D PSD

Signal processing circuit for 1-D PSD C5923
s Dimensional outline (unit: mm, tolerance: ±0.2 mm) s PSD and output voltage
37.5
37.5
THROUGH HOLES FOR
EXTERNALLY CONNECTED PSD
OUTPUT Vo (V)
543 21
L
PSD
INSTALLTION
POSITION
D-SUB CONNECTOR
(Hirose Electric: RDAB-15P)
L/2
L/4
-L/2
-L/4 ^L/2
LIGHT SPOT POSITION X (mm)
-L/2
S1352, S3270
-L
S3931, S3932
(4 ×) 3.2
S3979
CENTER OF PSD ACTIVE AREA
KACCB0040EB
PHOTOSENSITIVE
67
LIGHT SPOT
SURFACE
75
15.5 MAX.
X
KACCA0054EB
S1352, S3931 and S3932 (PSD made by Hamamatsu) can be
directly mounted on the board. To mount other types of 1-D
-
L
2
+
L
2
PSDs, use through holes on the board.
s Input/output terminals
s Operating example
KPSDC0062EA
q D-sub connector
Terminal No. Name
Content
PSD
D-SUB CONNECTOR
1
VREF Reference voltage monitor output
2
VR PSD bias voltage monitor output
3
Vo
Divider output
(position-converted voltage)
4
K Connection to LED or other cathode
X1
1
C
5
X2
C5923
6
7
8
+15 V
–15 V
GND
+
–
G
CONSTANT
VOLTAGE
POWER
3
SUPPLY
4
5
+
– ^VOLTMETER
5
A Connection to LED or other anode
LED (LD) CATHODE (–)
6
+V +15 V input
7
-V -15 V input
8
G GND
9
V1 Head amp output 1
10
V2 Head amp output 2
11
V3 Subtracted signal pulse output
12
V4 Summed signal pulse output
13
V5 Subtracted signal output after S/H *
14
V6 Sum m ed signal output after S/H *
15
G GND
* S/H: sample hold
LED (LD) ANODE (+)
Measurement conditions
KACCC0071EA
1. Light source: LED (λp=900 nm)
2. Light spot: φ200 µm
3. PSD: S1352 (L=34 mm)
4. PSD photocurrent: 10 µA
5. Frequency bandwidth: 10 Hz
6. Voltmeter: 195A (KEITHLEY)
7. Constant voltage power supply: ±15 V, power supply capacity:
0.2 A or more, ripple voltage: 3 mVp-p or less
q Through holes for externally connected PSD
Terminal No. Name
Content
1
IN1 Input from PSD output 1
2
G GND
3
VR
Bias voltage output for
connection to PSD cathode
4
G GND
5
IN2 Input from PSD output 2
When measured under the above conditions, the following output
voltage amplitude and position resolution can be obtained.
· Output voltage amplitude: VFS=±10 V
· Position resolution: ∆l=approx. 0.6 µm (calculated value)
s Accessories
· Connector HDAB-15S (HIROSE: For connections to power
supply and output readout device)
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2003 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: [phone], Fax: [phone], http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: [phone], Fax: [phone]
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone]
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone]
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: [phone], Fax: [phone]
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: [phone], Fax: [phone]
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone]
Cat. No. KPSD1011E03
2
Apr. 2003 DN