AM000220D2WM-00-R | AMCOM DC–22GHz 30dB Attenuator
Mfr. Part #：AM000220D2WM-00-R
Manufacturer：AMCOM
Product Type：GaAs MMIC 2-Bit Digital Attenuator
Frequency Range：DC–22GHz
Package / Case：Bare Die
Description：DC–22GHz GaAs 2-bit digital attenuator with 10dB and 20dB bits, a 30dB attenuation range, 50Ω matched RF ports and complementary 0V/−5V control.
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Get Price & AvailabilityAMCOM AM000220D2WM-00-R DC–22GHz 2-Bit Digital Attenuator
The AMCOM AM000220D2WM-00-R is a GaAs MMIC digital attenuator for DC–22GHz RF systems. Its two attenuation bits provide 10dB and 20dB settings, combining for a maximum 30dB attenuation range. The device is supplied as a bare die with RF ports matched to 50Ω.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | AMCOM Communications, Inc. |
| Product Type | GaAs MMIC 2-bit digital attenuator |
| Frequency Range | DC–22GHz |
| Attenuation Bits / Range | 10dB and 20dB / 30dB total |
| Insertion Loss | 3dB typical at 10GHz; 5dB typical at 20GHz |
| CW Power Handling | 25dBm, approximately 316mW |
| Switching Speed | 100ns typical in the datasheet |
| Control Voltages | Complementary 0V / −5V signals |
| RF Impedance | 50Ω |
| Package | Bare Die |
Values should be checked against the latest datasheet and the intended operating conditions. AMCOM’s website lists switching time below 100ns, while its linked datasheet gives 100ns typical.
Attenuation States and Control
The two bits produce four nominal states: reference, 10dB, 20dB and 30dB. These are attenuation settings relative to the reference state; reference-state insertion loss remains in the RF path.
| State | P10 | P10 Complement | P20 | P20 Complement |
|---|---|---|---|---|
| Reference | 0V | −5V | 0V | −5V |
| 10dB | −5V | 0V | 0V | −5V |
| 20dB | 0V | −5V | −5V | 0V |
| 30dB | −5V | 0V | −5V | 0V |
Provide the required negative-voltage control interface when connecting to a digital controller; do not assume direct compatibility with a 3.3V GPIO.
Applications and When to Choose
AMCOM identifies radar, commercial communication systems, test instruments and phased arrays as applications. Consider this device when a signal chain needs coarse, repeatable level changes rather than fine amplitude adjustment.
For selection, check the required attenuation states, reference-state loss, maximum signal level and whether the assembly process supports bare-die integration. Its 30dB range is useful for coarse level switching, but its 10dB spacing does not provide fine calibration steps.
AM000220D2WM-00-R vs AM000220D5WM-00-R
| Selection Factor | AM000220D2WM-00-R | AM000220D5WM-00-R |
|---|---|---|
| Frequency Range | DC–22GHz | DC–22GHz |
| Number of Bits | 2 | 5 |
| Bit Values | 10 and 20dB | 0.5, 1, 2, 4 and 8dB |
| Total Attenuation Range | 30dB | 15.5dB |
| Nominal Step Size | 10dB | 0.5dB |
| Package | Bare Die | Bare Die |
Choose D2 for wider, coarse attenuation and D5 for finer adjustment. See the AM000220D5WM-00-R product page for the existing 5-bit option. The different control functions mean these devices should not be treated as drop-in replacements.
Bare-Die Integration
Plan die attachment, RF wire bonding and control connections as part of the assembly. AMCOM’s reference test circuit uses 10-mil RO4350 material and short bond wires.
Published RF data are referenced to the chip with connector and microstrip effects de-embedded, so the completed assembly needs its own performance verification.
Price, Availability and RFQ
Contact DataStorageIC for current AM000220D2WM-00-R pricing, availability and lead time. Include the complete part number, quantity, company name, destination and delivery schedule.
For selection support, also provide the operating band, input power and required attenuation states.
Explore AMCOM RF and microwave components, check the official product page and datasheet, or email sales03@datastorageic.com for an RFQ.
Frequently Asked Questions
Does “2-bit” mean a 2dB attenuation step?
No. The two bits are 10dB and 20dB, giving reference, 10dB, 20dB and 30dB states.
Is the device supplied in a QFN package?
No. AM000220D2WM-00-R is supplied as a bare die.
