C7706 Hamamatsu Photonic Systems, C7706 Datasheet

C7706

Manufacturer Part Number

C7706

Description

Manufacturer

Hamamatsu Photonic Systems

Datasheet

1.C7706.pdf (2 pages)

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The C7706 is a high-speed logarithmic amplifier capable of amplifying the DC

output current from a photomultiplier tube.

The output signal appears as a change of 2V when the input signal changes by

one order of magnitude. The C7706 provides an output voltage that ranges from

-8V to +4V corresponding to an input signal from 0.1nA to 100 A. This conversion

performance is ideal for applications where a wide range of input signal should be

amplified at a high gain.

MAXIMUM RATINGS (Absolute Maximum Values)

CHARACTERISTICS (at 25 C)

Figure 1: Input Current vs. Output Voltage

NOTE: A: Less than -0.2 nA input limits output at 50

Supply Voltage

Input Current

Operating Temperature

Storage Temperature

Input Current

Input Impedance

Output Voltage

Output Impedance

Current to Voltage Conversion Factor

Temperature Coefficient (Error of fullscale)

Step Response Time

Supply Voltage

Supply Current

Weight

Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are

(at 50

0.0001

-2

-4

-6

-8

B: Output voltage = 0 V at 1 A input

C: Input current: 100 A, Ambient temperature range: 0 to +40 C

D: Input: no connection, Output: 50

TACCB0060EA

load resistor)

0.001

PRELIMINARY DATA

0.01

JUN. 1999

INPUT (- A)

0.1

Parameter

Increase

Decrease

load resistor terminated

V: Output voltage (V) at 10 M load resistor,

at 1 M load resister

at 50

-10 A to -100 A

-1 A to -10 A

-100 nA to -1 A

-10 nA to -100 nA

-1 nA to -10 nA

-100 A to -10 A

-10 A to -1 A

-1 A to -100 nA

-100 nA to -10 nA

-10 nA to -1 nA

+15 V

-15 V

100

load resistor terminated.

load resister

Output Voltage Accuracy (Error of fullscale)

Input Current

-100 A

-100 nA

-100 pA

-10 A

-10 nA

-1 A

-1 nA

LOG AMPLIFIER UNIT

C7706

Output Voltage

-2 V

-4 V

-6 V

-8 V

4 V

2 V

0 V

: Input current (- A)

FEATURES

Description/Value

-0.1 nA to -100 A

Input Current Wide Dynamic Range

Fast Time Response

High Cost Performance

V = 0.8686 ln (I

0.02 %/ C Typ.

Approx. 180 g

-20 to +60 C

-3.7 to +2 V

0 to +40 C

15 0.5 Vdc

0 to -1 mA

-8 to +4 V

170 s

780 s

18 mA

64 mA

1.1 s

1.3 s

2.4 s

1.8 s

2.2 s

7.2 s

18 Vdc

18 s

84 s

1 k

Typical

0.3 %

0.5 %

1 %

Accuracy

)

Maximum

0.6 %

1 %

2 %

Related parts for C7706

C7706 Summary of contents

Page 1

... The output signal appears as a change of 2V when the input signal changes by one order of magnitude. The C7706 provides an output voltage that ranges from -8V to +4V corresponding to an input signal from 0.1nA to 100 A. This conversion performance is ideal for applications where a wide range of input signal should be amplified at a high gain ...

Page 2

... LOG AMPLIFIER UNIT C7706 Figure 2: Output Waveform -10 µA to -100 µA to -10 µA TACCB0061EA GND 4 µs/div. Figure 3: Dimensional Outline (Unit: mm) BNC-R SIG IN Power Supply Cable (Supplied) SHIELDED CABLE WITH 6 CONDUCTIVE 6-PIN DIN CONNECTOR WIRES +50 1500 -0 HAMAMATSU PHOTONICS K.K., Electron Tube Center 314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205 U ...

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