MODULE
Si photodiode evaluation circuit
C9052 series
Easy-to-use circuit for Si photodiode operation
Features
Applications
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Allows easy evaluation of standard Si photodiodes
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On-board circuit examples for typical applications of
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Si photodiodes
Multiple circuits assembled on one board
Support board (C9052-04 with dedicated cable
A9053) for processing output signals from head board
(C9052-01/-02/-03 with dedicated cable A9053-01)
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Testing and evaluation of standard Si photodiodes
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Simple optical power meters
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Absolute maximum rating
Parameter
Maximum supply voltage
Operating temperature
Storage temperature
Symbol
Vcc Max.
Topr
Tstg
C9052-01
鹵15
C9052-02
C9052-03
+15
+10 to +40
0 to +50
C9052-04
+12
Unit
V
擄C
擄C
C9052-01
Low noise AC amplifier circuit, photocurrent-to-voltage conversion circuit and wide band amplifier circuit on one board
Circuit configuration
Features
Low noise AC amplifier circuit Low noise AC amplifier circuit using FET, bandwidth 160 to 1 MHz, trans-impedance 15 kV/A
Photocurrent-to-voltage
Current-to-voltage conversion circuit with bandwidth of DC to 100 kHz and feedback resistance
conversion circuit
of 100 kW
Wide band amplifier circuit
Amplifier circuit with bandwidth of DC to 1 MHz and trans-impedance of 30 kV/A
<Usable photodiodes>
Standard Si PIN photodiodes with metal package (TO-18, TO-5, TO-8): S5821 series, etc.
C9052-02
Light balance detection circuit, light-to-logarithmic voltage conversion circuit and light integration circuit on one board
Circuit configuration
Features
Detects output balance between two photodiodes when light enters them and outputs the light
Light balance detection circuit
level difference as a voltage.
Light-to-logarithmic voltage
Outputs a voltage in proportion to logarithmic change in detected light level
conversion circuit
Converts input pulsed light of constant cycle into DC signal. Controlled by external integration
Light integration circuit
reset pulses.
<Usable photodiodes>
Standard Si photodiodes with metal package (TO-18, TO-5, TO-8): S2386 series, etc.
Standard Si photodiodes with ceramic package (except -16BQ/-16BK/-16BR types): S1337-1010BR, S1227-1010BR, etc.
C9052-03
Two types of light-to-frequency conversion circuits assembled on one board
Circuit configuration
Features
High illuminance type
Interface circuit that outputs pulses at frequency proportional to input light from 100 to 10,000
lx.
Low illuminance type
Interface circuit that outputs pulses at frequency proportional to input light from 1 to 200
lx.
<Usable photodiodes>
S1087 (high illuminance type), S2386-5K (low illuminance type)
PRELIMINARY DATA
Aug. 2002
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