Product Details
- 5MHz to 3000MHz frequency range
- Glitch-Free™ low transient overshoot
- Low insertion loss < 1.4dB at 1GHz
- Excellent linearity +64dBm IIP3
- Attenuation step error 0.1dB at 1GHz
- Serial and Parallel interface 31.75dB range
- Low spurious design
- 3V/5V supply, 1.8V/3.3V control logic
- Fast settling time
- Class 1C JEDEC ESD (1.5kV HBM)
- 5mm x 5mm 32-VFQFPN package
The F1977 digital step attenuator featuring Glitch-Free™ technology improves system reliability and settling time. It has an attenuation range of 31.75dB with excellent accuracy and very low distortion and insertion loss.
- CATV infrastructure
- CATV set-top boxes
- CATV satellite modems
- Data network equipment
- Fiber networks
Product Documents
Type
Name
Date
Actions
Product Brief
2025-08-25
Digital Step Attenuators
pdf |
1.07 MB
Guide
2025-08-25
RF Products Evaluation System (EVS) Digital Control Software
pdf |
2.83 MB
Datasheet
2025-08-25
F1977 Datasheet REV1
pdf |
10.67 MB
Application Brief
2025-08-25
IDT Products for Wired Broadband Applications
pdf |
686.5 KB
Part Number (4)
F1977NBGI
View Details
F1977NBGI8
View Details
F1977EVBI
View Details
F1977EVS
View Details
Do you have more questions?
We're here to help you explore possibilities, optimize performance, and drive technological advancements. Reach out today!
Talk to Sales