Datasheet Details
| Part number | F1978 |
|---|---|
| Manufacturer | IDT |
| File Size | 3.68 MB |
| Description | Digital Step Attenuator |
| Datasheet |
 F1978 Datasheet
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Description
The F1978 Digital Step Attenuator (DSA) is a product in IDT’s Glitch-FreeTM DSA Family, which is optimized for the demanding requirements of CATV and satellite systems.
It operates in the frequency range of 5MHz to 3000MHz.
Features
- Frequency: 5MHz to 3000MHz.
- Serial and 6-bit parallel interface.
- 31.5dB control range.
- 0.5dB step.
- Glitch-FreeTM technology, low transient overshoot.
- 3.0V to 5.25V supply.
- 1.8V or 3.3V control logic.
- Attenuator step error: 0.1dB at 1GHz.
- Low insertion loss: 1.2dB at 1GHz.
- Ultra-linear IIP3: +64dBm.
- IIP2: +125dBm typical.
- Stable integral non-linearity over temperature.
- Low current consumption: 550µA typical.
- Bi-directional.