| SFT 4001G
Technical Specifications |
Pulser Section 2 modes : Square and Spike |
Repetition frequency | 152 Hz to 16000 Hz continuously variable ( programmable).Single shot under control software. |
Square Wave Mode | Negative pulse
Programmable width ( measured at 50% amplitude,50 Ohms load ) 30 to 500 nS in 2 nS steps.
Fall time (50 Ohms)<10 nS 10%-90%. |
|
Spike Mode | Fall time < 8 nS 10%-90% :
- Energy 1 fall time <= 4.9 nS Vp= 180 V
- Energy 2 fall time <= 6 nS Vp= 220 V
- Energy 3 fall time <= 7.5 nS Vp= 250 V
- Energy 4 fall time <= 8 nS Vp= 260 V
Duration
at 50%, 50 Ohms load,10 nS to 100 nS according to programmed energy setting.
Energy 15 to 100 Joules |
Amplitude | Programmable 100-200-350 Volts |
Damping | Fixed/variable programmable
4 fixed values 50-100-220-470 Ohms modifiable by jumper
1 variable position 50 Ohms-1000 Ohms externally adjustable by potentiometer. |
Working Mode | Programmable
Pulse echo/trough transmission |
Output Connector | Lemo 0 - RA 0C50S |
Receiver Section |
Input Impedance |
500 Ohms |
Input limitation | 4.4 Vpp without distorsion |
Input Connector | Lemo 0 - RA 0C50S |
Gain | Programmable in steps ( less than 1 dB)-5.5 db+ 72.5 dB real for 50 Ohms load |
Output | RF signal on BNC socket.
2 Vpp on 50 Ohms(limitation 4 Vpp) |
|
Bandwidth | 18 kHz-17 MHz at -3 dB for 30 dB gain and 2 Vpp on output. |
Filters |
Programmable (value at -3dB)
High pass 40 dB/dec (out = 18 kHz) 800kHz,2.0Mhz,4.5Mhz,7.0Mhz
Low pass 60 dB/dec (out = 17 MHz)
550kHz,1.3MHz,5.5MHz,10MHz. |
Noise level
| 400mVpp at 52 dB gain,50 Ohms load,full bandwidth or 1 mVpp to input.
100 mVpp at 52 dB gain,50 Ohms load,10 MHz L.P. filter or 250 µVpp ref. to input. |
Main Clock | 100 MHz, available to synchronize with optional SFT 4100 or SFT4200 A/D board |
Synchro | Initiated from pulser and programmable from 1 µS to 3.2 mS in 100 nS steps
Output connector BNC socket |
Base Address | & H300 |
|
Power Supplies | + 5V 460 mA
- 5V 1.2 mA
+12 V 420 mA(250 nS rectangular / 350 V)
peak 1A3(depending on repetition rate
and pulse shape)
-12 V 112 mA |
|
Size | Long slot 8/16 bits ISA bus
Solder side 3 mm,Component side 23 mm. |
Operating Temperature |
0 to 40 °C |
Sofratest keeps the right to revise the specifications without notice |
