A250F/NF [ETC]
Amplifier. Other ; 功放。其他\n
| 型号： | A250F/NF |
| 厂家： | 
ETC |
| 描述： | Amplifier. Other
|
| 文件： | 总1页 (文件大小：63K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
R
AMP
TEK
Single In-line Package (SIP)
The A250F/NF is a high density version of the Amptek A250 Charge Sensitive Preamplifier.
The input FET is not included and must be added externally.
+Vs
A250F/NF
PIN 5
PIN CONFIGURATION
1K
R
Feedback.
A250F/NF
Pin 1
Must be connected to
the Gate of the FET.
External
FET
D
PIN 6
OUTPUT
G
PIN 2
PIN 1
)
S
Input.
DETECTOR
0.25 pF
INPUT
)
Pin 2
Must be connected to
the Drain of the FET.
1 GW
PIN 4
Pin 3
Pin 4
Pin 5
Pin 6
Ground & Case
-Vs (-6 V Typical)
+Vs (+6 V Typical)
Output
PIN 3
-Vs
GROUND
& CASE
NOTES
1. The internal feedback resistor Rf = 1 GW.
2. The internal feedback capacitor Cf = 0.25 pF
Sensitivity (gain) = 175 mV//MeV (Si)
4 V/pC
0.64 mV/electron
3. For lower sensitivity applications, Cf can be increased externally.
4. The external 1 kW resistor from Pin 2 to Pin 5 provides the FET with a drain current of IDS = 2.75 ma.
IDS can be increased by reducing R < 1 kW.
Please refer to the A250 specifications for further information.
A250F/NF
A250F/NF
MECHANICAL DIMENSIONS
AMPTEK INC. 6 DE ANGELO DRIVE, BEDFORD, MA 01730-2204 USA
TEL: +1 (781) 275-2242 FAX: +1 (781) 275-3470 email: sales@amptek.com www.amptek.com
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