Overview
The HMC347B is a broadband, nonreflective gallium arsenide (GaAs) pseudomorphic high electron mobility transistor (pHEMT) single-pole double-throw (SPDT) monolithic microwave integrated circuit (MMIC) chip produced by Analog Devices Inc. This device operates over a wide frequency range of 0.1 GHz to 20 GHz, making it suitable for various high-frequency applications. The HMC347B is characterized by its low insertion loss, high isolation, and high input linearity, with no current consumption and no supply voltage required.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0.1 GHz to 20 GHz |
| Insertion Loss | 1.7 dB typical to 20 GHz |
| Isolation | 46 dB typical to 20 GHz |
| Input P1dB | 25 dBm typical |
| Input IP3 | 41 dBm typical |
| RF Input Power (Through Path) | 27 dBm at VCTL = −5 V or 0 V |
| RF Input Power (Terminated Path) | 25 dBm at VCTL = −5 V or 0 V |
| Operating Temperature | −55°C to +85°C |
| Storage Temperature | −65°C to +150°C |
| Control Voltage (VCTL) | −5 V or 0 V |
| Impedance | 50 Ω |
Key Features
- Broadband frequency range: 0.1 GHz to 20 GHz
- Nonreflective, 50 Ω design
- Low insertion loss: 1.7 dB typical to 20 GHz
- High isolation: 46 dB typical to 20 GHz
- High input linearity: Input P1dB of 25 dBm and Input IP3 of 41 dBm
- High power handling: 27 dBm through path and 25 dBm terminated path
- No supply voltage required and no current consumption
- Two negative control voltage inputs (−5 V or 0 V)
- Coplanar I/Os for 100% RF testing prior to delivery
Applications
- Test instrumentations
- Microwave radios and very small aperture terminals (VSATs)
- Military radios, radars, and electronic counter measure (ECMs)
- Broadband telecommunications systems
Q & A
- What is the frequency range of the HMC347B?
The HMC347B operates over a frequency range of 0.1 GHz to 20 GHz. - What are the typical insertion loss and isolation values of the HMC347B?
The typical insertion loss is 1.7 dB, and the typical isolation is 46 dB to 20 GHz. - What are the input P1dB and IP3 values of the HMC347B?
The input P1dB is 25 dBm typical, and the input IP3 is 41 dBm typical. - Does the HMC347B require a supply voltage?
No, the HMC347B does not require a supply voltage and has no current consumption. - What are the control voltage levels for the HMC347B?
The control voltage levels are −5 V or 0 V. - What is the operating temperature range of the HMC347B?
The operating temperature range is −55°C to +85°C. - What are some of the key applications of the HMC347B?
The HMC347B is used in test instrumentations, microwave radios, VSATs, military radios, radars, ECMs, and broadband telecommunications systems. - What is the impedance of the HMC347B?
The impedance is 50 Ω. - How does the HMC347B handle RF input power?
The HMC347B can handle RF input power of 27 dBm through the path and 25 dBm in the terminated path at VCTL = −5 V or 0 V. - What is the storage temperature range for the HMC347B?
The storage temperature range is −65°C to +150°C.
