User manual

Appendix
ComTec GmbH 3-1
3. Appendix
3.1. Performance Characteristics
Bandwidth: ........................................................................................  800MHz
1
Pulse width high/low: ............................................................................................. > 625ps
Time Resolution: ...................................................................................... 47ps FWHM
Gaussian peak fit of a 550MHz square wave fast NIM signal
measured with a FAST ComTec P7887, 500ps multiscaler
LW800 contributed noise ........................................... 10ps FWHM
2
measured with a FAST ComTec 7072T TADC and a MCA-3
multichannel analyzer
3.2. Specifications
3.2.1. Absolute Maximum Ratings
Signal input:
input voltage: ................................................................................................. ± 1.8V
continuous input current: .............................................................................................± 215mA
non repetitive peak input current: .................................................................................. ± 2A @ 1µs
...................................................................................... ± 1A @ 1ms
...................................................................................... ± 0.5A @ 1s
3.2.2. Recommended Operating Conditions
Operating temperature: ......................................................................................... 0 to +50°C
3.2.3. Power Requirements
External Power Supply, one each for TX800 and RX800
TX800: .......................................................................................... 12 - 15V
DC
............................................................................................ 200mA
DC
.............................................................................................. floating
RX800: .......................................................................................... 12 - 15V
DC
............................................................................................ 250mA
DC
.............................................................................................. floating
1
Measured with a fast NIM square wave signal and a HAMEG frequency counter
2
Noise directly (without LW800) measured = 24ps FWHM, noise with LW800 = 26ps FWHM  (26² - 24²)
1/2
= 10ps