[go: up one dir, main page]

Syu et al., 2010 - Google Patents

Large improvement in image rejection of double-quadrature dual-conversion low-IF architectures

Syu et al., 2010

View PDF
Document ID
15328376406735686390
Author
Syu J
Meng C
Teng Y
Liao H
Publication year
Publication venue
IEEE Transactions on Microwave Theory and Techniques

External Links

Snippet

The reasons for a degradation of image-rejection performance in double-quadrature-double- quadrature and single-quadrature-double-quadrature dual-conversion low-IF downconverters are fully discussed in this paper. Polyphase filters (PPFs) are inserted at …
Continue reading at ir.lib.nycu.edu.tw (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1441—Balanced arrangements with transistors using field-effect transistors
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1433—Balanced arrangements with transistors using bipolar transistors
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0088—Reduction of intermodulation, nonlinearities, adjacent channel interference; intercept points of harmonics or intermodulation products
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0033—Current mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components

Similar Documents

Publication Publication Date Title
JP7324233B2 (en) Wideband Low Noise Amplifier (LNA) with Reconfigurable Bandwidth for mmWave 5G Communication
KR101231671B1 (en) Saw-less receiver with rf frequency translated bpf
US8483642B2 (en) Saw-less receiver with offset RF frequency translated BPF
US8725085B2 (en) RF front-end module
US8761710B2 (en) Portable computing device with a saw-less transceiver
US9595919B2 (en) Front-end architecture for transmitter
CN104283574B (en) software radio receiver circuit
US8666351B2 (en) Multiple band saw-less receiver including a frequency translated BPF
US8565711B2 (en) SAW-less receiver including an IF frequency translated BPF
KR102136020B1 (en) amplifier
US8521221B2 (en) Dual mode RF transceiver and receiving method of the same
US9001740B2 (en) Front-end module network for femtocell applications
JP7202398B2 (en) Wideband matching co-design method of transmit/receive (T/R) switch and receiver front-end for broadband MIMO receiver for mmWave 5G communication
Syu et al. Large improvement in image rejection of double-quadrature dual-conversion low-IF architectures
US20110299634A1 (en) Saw-less receiver with a frequency translated bpf having a negative resistance
TWI485995B (en) Portable computing device with a saw-less transceiver
US8724747B2 (en) Saw-less receiver including transimpedance amplifiers
EP2613451A1 (en) Saw-less receiver with RF Frequency translated BPF
Agrawal et al. Multi-band RF time delay element based on frequency translation
US8442470B1 (en) Harmonic-reject FTI filter
Hong et al. A $197-\mu\mathrm {W}\2.4-GHz $ Third-Harmonic Receiver with Enhanced Out-of-band Rejection for IEEE 802.11 ba
Choi et al. A 5.8 GHz SiGe HBT direct-conversion I/Q-channel sub-harmonic mixer for low power and simplified receiver architecture
Syu et al. Sige HBT dual-conversion Weaver-Hartley downconverters with high image rejection
WO2006002994A1 (en) Radio-receiver front-end and a method for frequency converting an input signal
HK1165116B (en) Portable computing device