The “Golden Box” allows for the cooled housing to be operated in the Photon Counting and Analog Modes.
Photon Counting Mode
In Photon Counting Mode the “Golden Box” functions as a pulse-conditioning unit.
|
| Max count rate: |
10 million |
| Absolute linear: |
3 million |
| Linear count rate: (-5% deviation) |
7 million |
| Pulse pair resolution: |
60 nanoseconds |
| Output pulses: High voltage: |
TTL Factory set |
From photon counting mode the output Is in a form of a TTL pulse and can go into a data acquisition module with a discriminator and counter
Analog Mode
In Analog Mode, the Golden Box functions as a filter. Analog Mode is best for higher signal levels above 100 –200 KHz (below should use photon counting). There are three settings in analog mode: low, medium, high. The default setting is medium, other two settings can be selected by jumpers.
|
| Low: |
10 KHz bandwidth |
0.1 ms time response |
| Medium: |
30 MHz bandwidth |
30 ns time response |
| High: |
200 MHz bandwidth |
4–5 ns time response |
| High voltage: |
Controllable direct or remote by software from 150 to 1250 V |
From the analog mode the output is a current or a voltage, which can be measured with a voltmeter, current meter or data acquisition module.
On request we can provide data acquisition module and basic acquisition software that can be use with either photon counting or analog signals. | 
