TwinBases NP15-0530 & NQ15-0530  Product Description

High voltage generators with analog gain control

Targeted application:

1. Precision spectroscopy at low and high average PMT anode currents, up to 50 μA DC.
2. Local MCA. The eMorpho MCA or other control logic is located inside the detector housing. The MCA uses an analog control voltage to adjust the high voltage.

Supply voltage:

The device is fully specified for supply voltages in the range from 1.80 V to 5.50 V. This includes common digital standards, such as CMOS 2.50 V ±5%, CMOS 3.30 V ±5%, TTL 5.00 V ±5% and USB: 4.35 V to 5.50 V.

Low power:

The supply current is very nearly proportional to the PMT high voltage. At HV = 1000 V the supply current is 42 mA.

Standby mode:

When the high voltage is set to zero the supply current reduces to a mere 0.11 mA.

Mechanical:

The NP15 and NQ15 devices are mounted on an FE1014 socket, which plugs onto a JEDEC B14-38 PMT hardpin socket. Pins 1 through 10 are the dynodes D1 through D10, respectively. Pin 11 is the anode. Pin 12 is a no-connect. Pin 13 is the focus electrode and pin 14 is the cathode. Including the FE1014 socket, the TwinBase is about 2.2 inches tall.

Related devices:

• The NP10, NQ10 units require at least 3.10 V supply voltage, but do include digital HV-control and a digital temperature sensor.