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Table 3 – GBS Elektronik MCA-527 User Manual

Page 22

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MCA527

Table 3:

Pinout of the Preamplifier Power Supply Connector (D-SUB9 female)

Contact

Signal

Front View

1

GND

2

GND

3

auxiliary analog input 1

5

4

+12V / 60mA max.

5

HV-Inhibit input

5

/

auxiliary analog input 2

5

/

thermistor input for NaI
detectors

5

6

-24V / 60mA max.

5

7

+24V / 60mA max.

5

8

1-wire interface (In / Out)

5

9

-12V / 60mA max.

shield

GND

Gating Input
The gating input can be used to blank out specific pulses (e. g. LED-pulses from a
LED-stabilized NaI detector). It accepts 3.3V TTL pulses but is also 5V tolerant. This
connector is only available in the MCA527 and not in the MCA527L.

Table 4:

Pinout of the Gating Input Connector (Lemo ERA.00.250.NTL)

Contact

Signal

Front View

1 (inner contact) gate input (TTL, 5V tolerant)

2 (outer contact) GND

RS232 Interface Connector
The RS232 connector is a 6-pin Lemo connector, the same as used with MCA166-USB.
This connector is only available in the MCA527 and not in the MCA527L.

5 Only available in MCA527 and not in MCA527L

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