Attenuator - Digitally Controlled

Digitally Controlled MMIC Attenuators are versatile small signal RF components which attenuate an RF signal by a precise (digitally-selected) amount (in dB). As new applications (ranging from communications to defense) place demands for tighter signal amplitude control, RF and microwave engineers have come to increasingly rely on the use of digital attenuators for both precise and highly-linear signal amplitude control. Another industry-common name for Digitally Controlled MMIC Attenuators is “digital step attenuators” (DSAs). Applications for Digitally Controlled MMIC Attenuators include (but are not limited to): cellular base stations, repeaters, and femtocells; bench test equipment and automated test equipment; military radios, Radar, and ECM; RF power amplifier distortion canceling loops; Microwave radio and VSAT; CATV headend and distribution systems; and Cable and satellite set-top-boxes. Richardson RFPD stocks a large assortment of Digitally Controlled MMIC Attenuators from industry-leading manufacturers.

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United Monolithic Semiconductors (6)

Minimum Frequency (MHz)

0 (3)
4000 (2)

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Maximum Frequency (MHz)

6000 (1)
14000 (1)
16000 (1)
31000 (1)
35000 (1)

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Control Accuracy (Bits)

4 (2)
6 (3)

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Step Size (dB)

0.5 (3)
1 (2)

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Attenuation Control Range (dB (dB)

15 (2)
31.5 (3)

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Select Max 15 31.5

Insertion Loss (dB)

2.5 (1)
4 (1)
4.5 (1)
6.5 (1)
7 (1)

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Select Max 2.5 4 4.5 6.5 7

P1dB (dBm)

20 (3)
23 (2)

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Control Type (TTL/-5V)

-5 (2)
0/3.3-5 V (2)
CMOS/TTL (1)

Package Type

Chip (1)
Die (1)
QFN (2)
SMD (1)

6 results found.

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	Image	Item	Mfg Part #	Mfg	Description	Datasheet	Availability	Min/Mult	Price (US Stock)	Quantity		ECAD Model	Minimum Frequency (MHz)	Maximum Frequency (MHz)	Control Accuracy (Bits)	Step Size (dB)	Attenuation Control Range (dB (dB)	Insertion Loss (dB)	P1dB (dBm)	Input IP3 (dBm)	Control Type (TTL/-5V)	Package Type
		CHT3029-99F	CHT3029-99F	United Monolithic Semiconductors	Attenuator - Digitally Controlled		Request Quote for Lead Time	100/100	100:   $49.2900 500:   $43.3800 1000:   $38.1700	Add To Order	Quote		0	35000	4	1	15	4.5	20		0/3.3-5 V	Die
		CHT3029-QEG	CHT3029-QEG	United Monolithic Semiconductors	Attenuator - Digitally Controlled		Request Quote for Lead Time	73/73	73:   $59.5100 146:   $53.1300 511:   $46.7500 1022:   $41.1500	Add To Order	Quote		0	31000	4	1	15	4	20		0/3.3-5 V	QFN
		CHT4012-QDG/20	CHT4012-QDG/20	United Monolithic Semiconductors	Attenuator - Digitally Controlled		Request Quote for Lead Time	90/90	90:   $67.6500 180:   $63.7800 270:   $58.9300 540:   $55.9400	Add To Order	Quote		0	6000	6	0.5	31.5	2.5	20		CMOS/TTL	QFN
		CHT4012A98F/00	CHT4012A98F/00	United Monolithic Semiconductors	Attenuator - Digitally Controlled		90	100/100	100:   $62.1400 300:   $57.4200 500:   $54.5000	Add To Order	Quote
		CHT4016-99F	CHT4016-99F	United Monolithic Semiconductors	Attenuator - Digitally Controlled		68	50/50	50:   $62.7700 100:   $56.0600 500:   $49.3300 1000:   $43.4100	Add To Order	Quote		4000	16000	6	0.5	31.5	6.5	23		-5	Chip
		CHT4016-QEG/20	CHT4016-QEG/20	United Monolithic Semiconductors	Attenuator - Digitally Controlled		410	73/73	73:   $63.7800 146:   $60.2000 292:   $55.6800 511:   $52.8900	Add To Order	Quote		4000	14000	6	0.5	31.5	7	23		-5	SMD