N979B
16 Channel Mixed Gain Fast Amplifier
Features
- 4 x 4 ch. with different Fixed Gain: x2, x4, x8, x10.
- Input bandwidth up to 250 Mhz
- 50 Ohm input impedance
- ±2 V output dynamics
- 50 Ohm loads driven
- Cascadeable channels
- Rise/fall time smaller than 1.5 ns
- I/O delay smaller than 3 ns
Overview
The Model N979B is a 16 channel fast rise time amplifier housed in a 1-unit NIM module; N979B channels are divided into 4 groups with different fixed gain: x2, x4, x8, x10.
Channels are bipolar, non-inverting. Channels can be cascaded in order to obtain larger gain values. Input bandwitdth is 250 MHz for signals up to 50 mVpp and decreases for larger ones (up to 130 MHz @ 300 mVpp).
Each channel is provided with three LEMO 00 connectors, one for the input and two bridged for the output. The board features a ±2 V output dynamics. 16 screw-trimmers (one per channel) allow the offset calibration which operates over a ±30 mV range. The features include an input overvoltage protection.
Technical Specifications
- Packaging
1U-wide NIM unit
- Voltage gain
2 ± 6%; 4 ± 6%; 8 ± 6%; 10 ± 6%;
- Rise time
≤ 1.5 ns(with unipolar input, ±25 mV amplitude)
- Band width (gain: 10x)
±25 mV input signal: 0÷250 MHz
±150 mV input signal: 0÷130 MHz
- Output dynamics
±2 V
- Offset uniformity
±4 mV (typical)
±12 mV (maximum)
- Offset nulling range
±30 mV (measured with 0 Ohm termination on input)
- Total Gain / Max input amplitude (mV)
2x -1000 ÷+1000
4x -500 ÷+500
8x -250 ÷+250
10x -200 ÷+200
- Inputs channels
16, DC coupled, 50 W ± 2% impedance
- Output channels
16 with Fan-Out of two, drive 50 Ohm load
- Noise (gain: 10x)
≤ 50 µV RMS (referred to the input)
- Interchannel insulation
50 dB
- Input reflections
≤ 10%
- I/O Delay
≤ 3 ns
Compare
Compare with Amplifiers (Fast).
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Ordering Options
| Code | Description |
|---|---|
| WN979XBAAAAA | N979B - 16 Channel Mixed Gain Fast Amplifier RoHS |
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