GRF640x Digital Step Attenuators

Guerrilla RF GRF640x Digital Step Attenuators (DSAs) feature a RAPID FIRE® hybrid control mechanism that combines the speed of parallel programming with the simplicity and convenience of a single control line. The GRF640x DSA family utilizes two dedicated registers to store separate attenuation states. Toggling the RFA bit allows the DSA to switch between the primary and secondary states quickly. This fast switching circumvents the delays commonly associated with serial programming. Depending on the SPI clock rate, these delays can be as long as 1600ns. To match the RFA switching speeds, traditional DSAs must utilize parallel programming modes with seven dedicated control lines. This additional I/O not only requires larger packaging but also complicates signal routing.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Package/Case
Attenuation
Maximum Frequency
Impedance
Number of Bits
Number of Channels
Attenuator Step Size
Guerrilla RF Attenuators 31.75 dB RANGE / 0.25dB STEP DSA; AEC-Q100 Grade 2 Qualified; 0.05 - 6 GHz; SPI-controlled, bi-directional, 31.75 dB range digital step attenuator
Datasheet
665In Stock
1,500Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 1,500
QFN-16 31.75 dB 6 GHz 50 Ohms 7 bit 2 Channel 0.25 dB
Guerrilla RF Attenuators 31.75 dB RANGE / 0.25dB STEP DSA; 0.05 - 6 GHz; Bi-directional, 31.75 dB range digital step attenuator featuring Rapid Fire selection pin
Datasheet
4,963In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500
QFN-24 31.75 dB 6 GHz 50 Ohms 7 bit 2 Channel 0.25 dB
Guerrilla RF Attenuators Guerrilla RF 31.75 dB RANGE / 0.25dB STEP DSA; 0.05 - 6 GHz
Datasheet
1,221In Stock
Min.: 1
Mult.: 1
Reel: 1,500

QFN-16 31.75 dB 6 GHz 50 Ohms 0.25 dB