Overview
The HMC792ALP4ETR is a broadband 6-bit GaAs IC digital attenuator produced by Analog Devices Inc. This component is designed for a wide range of RF and IF applications, offering a versatile and reliable solution for various communication systems. It is housed in a 24-lead QFN (Quad Flat No-Lead) package, which is RoHS compliant and requires no external matching components. The attenuator operates from DC to 6 GHz, making it suitable for cellular, 3G, WiBro, WiMAX, and 4G infrastructure, among other applications.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 3.0 GHz | 1.8 | 2.3 | 2.4 | dB |
| Insertion Loss | 3.0 - 6.0 GHz | 1.8 | 2.3 | 2.4 | dB |
| Attenuation Range | DC - 6.0 GHz | 15.75 | dB | ||
| Return Loss (RF1, RF2, All Atten. States) | DC - 6.0 GHz | 18 | dB | ||
| Attenuation Accuracy | DC - 6.0 GHz | ± (0.2 + 3% of Atten. Setting) | dB | ||
| Input Power for 0.1 dB Compression | 0.05 - 0.15 GHz | 22 | dBm | ||
| Input Power for 0.1 dB Compression | 0.15 - 6.0 GHz | 27 | dBm | ||
| Input Third Order Intercept Point (Two-Tone Input Power= 10 dBm Each Tone) | DC - 6.0 GHz | 53 | dBm | ||
| Switching Characteristics tRISE, tFALL (10/90% RF) | DC - 6.0 GHz | 110 | ns | ||
| Switching Characteristics tON, tOFF (50% CTL to 10/90% RF) | DC - 6.0 GHz | 150 | ns | ||
| Supply Current | DC - 6.0 GHz | 2.1 | 2.2 | mA | |
Key Features
- Dual mode control interface: CMOS/TTL compatible, accepting either a three-wire serial input or a 6-bit parallel word.
- User selectable power up state and serial output port for cascading other serial controlled components.
- No external matching components required.
- Off-chip AC ground capacitors for near DC operation.
- RoHS compliant 4x4 mm QFN leadless package.
- DC coupled and matched to 50 Ohms, with blocking capacitors required based on the lowest frequency of operation.
Applications
- Cellular/3G Infrastructure
- WiBro / WiMAX / 4G Infrastructure
- Test Equipment and Sensors
- GSM, WCDMA, and TD-SCDMA systems
- Fixed Wireless and other RF/IF applications.
Q & A
- What is the frequency range of the HMC792ALP4ETR?
The HMC792ALP4ETR operates from DC to 6 GHz.
- What is the attenuation range of the HMC792ALP4ETR?
The attenuation range is 15.75 dB.
- What is the typical insertion loss of the HMC792ALP4ETR?
The typical insertion loss is 2.3 dB for frequencies up to 3 GHz and remains consistent up to 6 GHz.
- What is the return loss of the HMC792ALP4ETR?
The return loss is 18 dB across all attenuation states.
- What is the input power for 0.1 dB compression?
The input power for 0.1 dB compression is 22 dBm for frequencies between 0.05 - 0.15 GHz and 27 dBm for frequencies between 0.15 - 6.0 GHz.
- What is the input third order intercept point (IP3) of the HMC792ALP4ETR?
The input third order intercept point is 53 dBm.
- What is the switching time of the HMC792ALP4ETR?
The switching characteristics include a rise and fall time (tRISE, tFALL) of 110 ns and an on/off time (tON, tOFF) of 150 ns.
- What is the supply current of the HMC792ALP4ETR?
The typical supply current is 2.1 mA.
- Is the HMC792ALP4ETR RoHS compliant?
- What type of control interface does the HMC792ALP4ETR have?
The HMC792ALP4ETR has a dual mode control interface that is CMOS/TTL compatible, accepting either a three-wire serial input or a 6-bit parallel word.
