Tetrode Amplifier User Manual
_______________________________________________________________________________________________________________
___________________________________________________________________________
version 1.1
page 7
3. Headstage
Figure 4: one headstage of the EXT-T2
Headstage Elements
P
EL
Connector for the tetrode (see also Figure 5)
REF
Not connected
GND
Ground connector
1
Ground connector (GND)
2
Channel 1 connector (CH0)
3
Channel 3 connector (CH2)
4
Channel 4 connector (CH3)
5
Channel 2 connector (CH1)
Figure 5: tetrode connector
4. Technical Data
Input resistance: >10
12
, range ±1 V
Output:
gain (x200, x500, x1k), selectable by DIL switch
Output range: ±12 V into 1 k
/ ±1 V into 50
load
Low pass filter:
500, 2k, 8k Hz, selectable by DIL switch
High pass filter:
DC, 0.1, 0.3, 1, selectable by DIL switch
Power requirements:
12…18 V AC, 1 A min.; wall power supply
Dimensions:
19” rackmount cabinet, 19” (483 mm), 10” (250 mm), 1.75”
(44 mm)
Headstage Size:
70 x 26 x 26 mm
Holding Bar:
length: 150 mm; diameter: 8 mm.
