Analog Devices Inc. EV1HMC7912LP5

Overview

EV1HMC7912LP5 from Analog Devices is a GaAs MMIC I/Q upconverter operating from 21 GHz to 24 GHz, delivering 15 dB typical conversion gain, 22 dBc sideband rejection, and 33 dBm OIP3. It integrates an active 2× LO multiplier, I/Q mixer, and variable-gain RF amplifier in a single 32-lead 5 mm × 5 mm LFCSP package, enabling compact SSB upconversion for millimeter-wave transmitters.

For engineers reviewing the EV1HMC7912LP5 datasheet, EV1HMC7912LP5 pinout, EV1HMC7912LP5 application, or EV1HMC7912LP5 equivalent, key selection criteria include RF frequency range (21–24 GHz), sideband suppression performance, LO drive sensitivity (2–8 dBm), integrated power detector functionality, and bias voltage requirements for VGMIX, VCTLx, and VDRFx rails.

Technical Context

The EV1HMC7912LP5 implements an I/Q mixer topology with external 90° hybrid at IF ports to select upper or lower sideband, reducing reliance on post-upconversion filtering. Its pseudo-morphic HEMT process enables high-frequency operation while maintaining thermal stability across −40°C to +85°C.

Biasing requires five independent supply domains: VDLO1/VDLO2 (5 V, 100 mA) for LO amplifier, VDRF1–VDRF4 (5 V, 220 mA total) for RF amplifier, VCTL1/VCTL2 (−5 V to −1 V) for gain control, VGMIX (−0.5 V) for mixer gate, and VESD (−5 V) for ESD protection - all referenced to RF/dc ground via 11 dedicated GND/NIC pins.

Key Specifications

Pinout & Package

EV1HMC7912LP5 uses a 32-lead, 5 mm × 5 mm lead-frame chip-scale package (LFCSP) with exposed thermal pad (EPAD). All GND and NIC pins must be connected to RF/dc ground per layout guidelines; EPAD requires low-impedance thermal and electrical connection to PCB ground plane.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar I/Q upconverter applications.

Compared with HMC7911LP5E and HMC8192LP5E, EV1HMC7912LP5 delivers optimal sideband rejection and integrated power monitoring specifically for 21–24 GHz fixed-frequency upconversion, minimizing external component count and calibration effort in radar and satcom terminal designs.

Availability

EV1HMC7912LP5 is available at Aetrix Electronics and suitable for point-to-point radios, military radar transmitters, and satellite communications uplinks requiring stable component supply, full traceability, and long-term lifecycle support.

Supply support for EV1HMC7912LP5 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving aerospace, defense, communications, and industrial markets with precision signal processing solutions.

The HMC7912 product line delivers monolithic microwave upconverters optimized for Ka-band SSB transmission in size-, weight-, and power-constrained systems where integration and reliability are critical.

FAQ

What is the RF frequency range supported by the EV1HMC7912LP5?

The EV1HMC7912LP5 operates from 21 GHz to 24 GHz as a Ka-band I/Q upconverter. This range is specified under standard test conditions (TA = 25°C, IF = 1 GHz, LO = 4 dBm) and maintains performance across −40°C to +85°C ambient temperature. The device achieves 15 dB typical conversion gain and 22 dBc sideband rejection within this band, making it suitable for fixed-frequency satellite uplinks and radar transmitters.

Does the EV1HMC7912LP5 require an external 90° hybrid, and why?

Yes, the EV1HMC7912LP5 requires an external 90° hybrid at its IF1 and IF2 ports to select the desired sideband (upper or lower). The I/Q mixer architecture inherently generates both sidebands; the hybrid enables vector cancellation of the unwanted sideband. Performance data-including 22 dBc sideband rejection-is measured with this external component, and omitting it results in double-sideband output unsuitable for most regulated spectrum applications.

What are the critical bias voltage requirements for the EV1HMC7912LP5?

The EV1HMC7912LP5 requires seven distinct bias points: VDLO1/VDLO2 = 5 V (100 mA), VDRF1–VDRF4 = 5 V (220 mA total), VCTL1/VCTL2 = −5 V to −1 V (gain control), VGMIX = −0.5 V (mixer gate), VESD = −5 V (ESD protection), and VREF/VDET for detector bias. All GND and NIC pins must connect to RF/dc ground. Failure to meet these specifications-especially VGMIX tolerance or VCTL voltage range-degrades conversion gain and sideband rejection.

How does the integrated power detector in the EV1HMC7912LP5 function?

The EV1HMC7912LP5 includes a diode-based RF power detector with dedicated VREF and VDET pins. VREF sets a temperature-compensated bias point for the detector diode, while VDET outputs a DC voltage proportional to RFOUT power. The difference (VREF − VDET) correlates linearly with output power across −16 dBm to +10 dBm, enabling closed-loop transmit power control without external sensing circuitry.

Is the EV1HMC7912LP5 pin-compatible with other HMC upconverter variants?

No, the EV1HMC7912LP5 is not pin-compatible with earlier HMC7911LP5E or newer HMC8192LP5E devices. While all use the same 32-lead 5 mm × 5 mm LFCSP package footprint, pin functions differ significantly-particularly for VCTL, VGMIX, and detector interfaces. For example, HMC7911LP5E lacks VDET/VREF pins, and HMC8192LP5E reassigns several bias rails. PCB layout must be designed specifically for EV1HMC7912LP5.