sales@hkmjd.com
Service Telephone:86-755-83294757
Trade Name:RF Attenuator
Brand:Renesas
Particular Year:24+
Package:20-TQFN
Delivery Date:New and Original
Stock: 1500pcs
The F1978NCGK8 digital step attenuator (DSA) is part of IDT's Glitch-FreeTM DSA family, optimised for the demanding requirements of CATV and satellite systems. Operating over the 5MHz to 3000MHz frequency range, the device features a compact 4mm x 4mm, 20-pin thin QFN package with 75Ω impedance for easy integration.
The RF performance of the F1978 DSA is identical to that of the F1975 digital step attenuator.The difference between the F1978 and the F1975 is that the F1978 has an additional programming mode called Direct Serial Programming.
Category: RF Attenuators
Package: Tape and Reel (TR)
Part Status: On Sale
Attenuation Value: 31.1dB
Frequency Range: 3 MHz ~ 5 GHz
Impedance: 75 Ohms
Package/Shell: 20-WFQFN Exposed Pad
Basic Part Number: F1978
Features
5MHz to 3000MHz Frequency Range
Glitch-Free™ low transient overshoot
Low insertion loss, 1.2dB at 1GHz
Excellent linearity +64dBm IIP3
Attenuation step error 0.1dB at 1GHz
31.5dB range for serial and parallel interfaces
Low Spurious Design
3V / 5V supply, 1.8V / 3.3V control logic
Fast stabilisation time
Class 2 JEDEC ESD (2kV HBM)
4 x 4 mm 20-TQFN package
Model
Brand
Package
Quantity
Describe
Renesas
QFN-32
1500
RF Attenuator 0.25dB ~ 31.75dB 3 MHz ~ 5 GHz 75 Ohms 32-WFQFN Exposed Pad
Renesas
QFN-32
1500
RF Attenuator 0.25dB ~ 31.75dB 1 MHz ~ 6 GHz 50 Ohms 1.5W 32-WFQFN Exposed Pad
Renesas
VFQFPN-24
1500
RF Attenuator 0.5dB ~ 32.5dB 100 MHz ~ 4 GHz 50 Ohms 24-WFQFN Exposed Pad
Renesas
QFN-20
1200
RF Attenuator 0.5dB ~ 31.5dB 1 MHz ~ 4 GHz 50 Ohms 1.5W 20-WFQFN Exposed Pad
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Renesas Technology is one of the worlds top ten semiconductor chip suppliers, and has achieved the worlds highest market share in many fields such as mobile communications, automotive electronics, and PC/AV.Renesas Technology was formally established …
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