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60 GHz Transceiver | 60 GHz RF Transceiver Analog Devices

This application note covers 60 GHz Transceiver basics including working operation. It mentions features of 60 GHz RF Transceiver HMC6300/HMC6301 from Analog Devices Inc. HMC6300 works as 60 GHz transmitter and HMC6300 as 60 GHz receiver. It mentions other 60 GHz transceiver manufacturers or vendors.

Introduction:
As we know transceiver consists of two parts viz. transmitter and receiver. The transmitter part takes baseband I/Q or IF as input and generates modulated RF frequency as output. Similarly receiver part takes modulated RF as input and generates baseband I/Q or IF as output.

Both transmitter and receiver use one or more RF mixers for frequency conversion. As transmitter does up conversion of frequency it is also known as up converter where as receiver does down conversion of frequency it is known as down converter.

Up Down conversion using RF mixer

For Fin as input frequency, FLO as local oscillator input and Fout as output frequency of the RF mixer. They are expressed as follows.
Fout = +/-m*Fin+/-n*FLO
m and n range from 0,1,2,3

The RF mixer produces sum as well as difference of the input frequencies. Appropriate component is filtered out as per requirement in the system as shown. Refer RF Mixer tutorial >> and article on design and development of RF Transceiver >> for more information.

60 GHz Transceiver HMC6300/HMC6301 from Analog Devices

The 60 GHz transceiver can be developed by using HMC6300 transmitter and HMC6301 receiver chips together on the board. Analog devices offers evaluation kit housing both of these ICs. The transceiver ICs are used for various applications including Small cell backhaul, 60 GHz ISM band data transfer, WiGig as per 802.11ad standard, HD video transmission, Radar and high resolution imaging.

60GHz millimeter wave transmitter

Figure-1 depicts 60 GHz transmitter Model HMC6300. The I/Q baseband signals and the RF signals are differential signals in this model. The complex modulated carrier is frequency converted using 3x the reference LO frequency inside the chip using RF mixer. Both HMC6300 and 6301 use intermediate frequency (IF) between 8 GHz and 9.1 GHz.
• RF_OUT_P and RF_OUT_N : output transmitter frequency.
• EXTLO_P and EXTLO_N : LO frequency input
• BB_IP and BB_IQ : Baseband I signal
• BB_QP and BB_QN : Baseband Q signal
• REFCLK_P and REFCLK_N : reference clock signal frequency, used to select different step sizes (250 MHz, 500 MHz or 540 MHz) based on clock frequencies (71.4286 MHz/142.857 MHz/ 154.2857 MHz).

Following are the technical features or specifications of HMC6300 60GHz transmitter.
• Frequency Band : 57 to 64 GHz
• RF bandwidth : upto 1.8 GHz
• Output P1dB, 1 dB compression point : 15 dBm
• Phase Noise : -75 dBc/Hz (at 100 KHz), -93 dBc/Hz (at 1 MHz), -114 dBc/Hz (at 10 MHz) etc.
• Gain: 5 to 35 dB
• Temperature sensor (On chip)
• SPI interface (3-wire serial digital interface)
• Supports upto 256 QAM modulation
• It supports FSK/MSK/OOK modulation


60GHz millimeter wave receiver

Figure-2 depicts 60 GHz receiver Model HMC6301. Following signals are used in this version.
• RFIN : Input RF frequency
• EXTLO_P and EXTLO_N : LO frequency
• VOUT_IP, VOUT_IM : Baseband I signal
• VOUT_QP, VOUT_QM : Baseband Q signal
• REFCLK_P, REFCLK_M : Reference clock signal

Following are the technical features or specifications of HMC6301 60GHz receiver.
• Frequency band: 57 to 64 GHz
• Signal bandwidth : up to 1.8 GHz
• Receiver gain : 0 to 69 dB
• Noise figure: 8 dB (typical)

60 GHz transceiver manufacturers or vendors

Following table mentions 60 GHz transceiver manufacturers or vendors.

Manufacturers Description
Infineon Technologies Developed transceivers in 24 GHz, 60 GHz, 70 GHz and 80 GHz frequency ranges as per SiGe technology.
Pasternack Enterprises, Inc. 60 GHz Waveguide Transmitter and Receiver Modules
Analog Devices Inc. Model HMC6300 is used as 60 GHz transmitter and HMC6301 is used as 60 GHz receiver
Lattice Semiconductor Gen3 60GHz WirelessHD Transmitter Module (model : MOD6320-T)
mmWaves 3.5-60 GHZ Radio (PDH/ SDH/ SONET/ Ethernet)


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5G TECHNOLOGY RELATED LINKS

This 5G tutorial also covers following sub topics on the 5G technology:
5G basic tutorial
5G Frequency Bands
5G millimeter wave tutorial
5G mm wave frame
5G millimeter wave channel sounding
Difference between 4G and 5G
5G testing and test equipments
5G network architecture
5G NR Physical layer
5G NR MAC layer
5G NR RLC layer
5G NR PDCP layer

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