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HFA3661
TM
P RE L I M I NA R Y
Data Sheet
February 1999
File Number
4240.2
2.0GHz to 2.7GHz DownConverter [ /Title (HFA3 661) /Subject (2.0G Hz to 2.7GH z DownConverter) /Autho r () /Keywords (2.0G Hz to 2.7GH z DownConverter, Intersil Corporation, semiconductor, PRIS M, Wireless Communications , RF, Radio
The HFA3661 is a monolithic bipolar device for down conversion applications in the 2.0GHz to 2.7GHz range. Manufactured in the Intersil UHF1X process, the device consists of a low noise amplifier and down conversion mixer. An energy saving power enable control feature assures isolation between transmit and receive channels for TDMA and/or half duplex systems. The device is designed for a high Output IP3, while maintaining low current and 5.5V to 2.7V supply operation. It requires low drive levels from the local oscillator and is housed in a small outline 20 lead SSOP package ideally suited for PCMCIA card applications.
Features
* RF Frequency Range . . . . . . . . . . . . . . 2.0GHz to 2.7GHz * IF Operation . . . . . . . . . . . . . . . . . . . . 10MHz to 250MHz * High Conversion Gain 2.0GHz . . . . . . . . . . . . . . . . . 40dB 2.7GHz . . . . . . . . . . . . . . . . . 36dB
* High Output IP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . 11dBm * Single Supply Battery Operation . . . . . . . . . 2.7V to 5.5V * Power Enable Control * LNA Bypass Control
Applications
* Wireless Local Loop Systems * PCMCIA Wireless Transceiver
Ordering Information
PART NUMBER HFA3661IA HFA3661IA96 TEMP. RANGE (oC) -40 to 85 -40 to 85 PACKAGE 20 Ld SSOP Tape and Reel PKG. NO. M20.15
* Wireless Local Area Network Modems * CDMA/TDMA Packet Protocol Radios * Full Duplex Transceivers * Portable Battery Powered Equipment
Pinout
HFA3661 (SSOP) TOP VIEW
LNA_VCC GND LNA_OUT GND LNA_VCC GND LNA_IN GND RXM_VCC 1 2 3 4 5 6 7 8 9 RX_PE 10 20 19 18 17 16 15 14 13 12 11 LNA_PD GND RXM_RF RXM_VCC LO_BY LO_IN GND BYP_CAP1 IF_OUT BYP_CAP2
Block Diagram
LNA_OUT LNA_PD LNA_IN IF_OUT RXM LNA RXM_RF LO_BY LO_IN
BIAS NETWORK
RX_PE
POWER CONTROL TRUTH TABLE STATE Power Down Mode (LNA, Mixer, and IF Buffer are Power Down) Receive Mode (Mixer Active, LNA Active) Attenuated Receive Mode (LNA Power Down used for RF Signal Attenuation) NOTE: LNA_PD High or Low RCV_PE Low
Low High
High High
LNA_PD and RCV_PE are floating pins.
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright (c) Intersil Corporation 2000 PRISM(R) is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
HFA3661 Typical Application Diagram
PRISM(R) FULL DUPLEX CHIP SET
HFA3424/21 (File #4131) D U P L E X E R LNA BPF HFA3661 (File #4240) LNA RF/IF CONVERTER RF LO1 HFA3524 (File #4062) SYNTHESIZER IF LO1 BASEBAND HFA3524 (File #4062) HFA3925 (File #4132) PA BPF SYNTHESIZER RF LO2 AGC IF/RF CONVERTER HFA3663 (File #4241) HFA3664 (File #4242) AGC QMODEM LPF OPTIONAL WHEN IN ANALOG MODE PRISM FULL DUPLEX RADIO CHIP SET, FILE #4238 IF LO2 HFA3763 (File #4237) LPF D/A HFA3761 (File #4236) FILTER IF AGC QMODEM LPF LPF A/D
Pin Descriptions
PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NAME LNA_VCC GND LNA_OUT GND LNA_VCC GND LNA_IN GND RXM_VCC RX_PE BYP_CAP2 IF_OUT BYP_CAP1 GND LO_IN LO_BY RXM_VCC RXM_RF GND LNA_PD DESCRIPTION Low Noise Amplifier Positive Power Supply (1 of 2) Low Noise Amplifier Ground Low Noise Amplifier RF Output Low Noise Amplifier Ground Low Noise Amplifier Positive Power Supply (2 of 2) Low Noise Amplifier Ground Low Noise Amplifier RF Input Low Noise Amplifier Ground Receive Mixer Positive Power Supply Receive Channel Power Enable (LNA, Mixer, and IF Buffer) Bypass Capacitor Receive Mixer Buffered IF Output Bypass Capacitor IF Buffer Ground Receive Mixer Local Oscillator Input Receive Mixer Local Oscillator Bypass Receive Mixer Positive Power Supply Receive Mixer RF Input Receive Mixer Ground Low Noise Amplifier Power Down (Bypass mode used for RF Signal Attenuation)
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HFA3661
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6.0V Voltage on Any Other Pin. . . . . . . . . . . . . . . . . . . . -0.3 to VCC 0.3V
Thermal Information
Thermal Resistance (Typical, Note 1) JA (oC/W) 20 Lead Plastic SSOP . . . . . . . . . . . . . . . . . . . . . . . 110 Package Power Dissipation at 70oC 20 Lead Plastic SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7W Maximum Junction Temperature (Plastic Package) . . . . . . . . 150oC Maximum Temperature Range. . . . . . . . . . . . . . -40oC TA 85oC Maximum Storage Temperature Range . . . . . . -65oC TA 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC (At Lead Tips Only)
Operating Conditions
Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE: 1. JA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
VCC = 5.5V, ZO = 50, Unless Otherwise Specified (NOTE 2) TEST LEVEL TEMP (oC)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
CASCADED CHARACTERISTICS (External Reactive Match on IF_OUT to 50, -3dB Loss RF Image Filter, LO_IN = 2080MHz/-3dBm, RF = 2150MHz/-30dBm, Receive Mode) Cascaded Power Gain 2.0GHz 2.7GHz Cascaded OIP3 (RF = 2300.1MHz, 2299.9MHz/-30dBm) Cascaded Noise Figure at 2.4GHz Cascaded Output 1dB Compression 2.0GHz 2.7GHz 2.0GHz 2.7GHz CRX_PG2.0 CRX_PG2.7 CRX_IP3_2.0 CRX_IP3_2.7 CRX_NF2.4 CRX_P1D2.0 CRX_P1D2.7 B B B B B B B Full Full Full Full Full Full Full 40 36 14.9 11.0 4.4 2.8 3.8 dB dB dBm dBm dB dBm dBm
LO INPUT CHARACTERISTICS (LO_IN = 2080MHz/-3dBm, all unused inputs and outputs are terminated into 50) LO Input Frequency Range LO Input Drive Level LO Input VSWR LO Input Return Loss LO_f LO_dr LO_SWR LO_IRL B B A A Full Full Full Full 1600 -8 9.5 -3 1.5:1 14 2690 +3 2.0:1 MHz dBm dB
LOW NOISE AMPLIFIER (LNA) CHARACTERISTICS (LNA_IN = 2300MHz/-30dBm) LNA Frequency Range LNA Noise Figure at 2.4GHz LNA Power Gain 2.0GHz 2.7GHz LNA Reverse Isolation LNA OIP3 at 2300.1MHz, 2299.9MHz/-30dBm LNA Output 1dB Compression LNA Input VSWR 2.0GHz 2.7GHz 2.0GHz 2.7GHz 2.0GHz 2.7GHz LNA Input Return Loss 2.0GHz 2.7GHz LNA_f LNA_NF2.4 LNA_PG2.0 LNA_PG2.7 LNA_ISO LNA_IP3_2.0 LNA_IP3_2.7 LNA_P1D_2.0 LNA_P1D_2.7 LNA_ISWR_2 LNA_ISWR_7 LNA_IRL_2.0 LNA_IRL_2.7 B B A A B A A B B A A A A Full 25 25 25 25 25 25 25 25 25 25 25 25 2.0 19 13 9 10.5 9.5 9.5 3.3 22 16 30 16 16 0 2 1.1:1 1.4:1 15.6 26.4 2.7 4.0 2.0:1 2.0:1 GHz dB dB dB dB dBm dBm dBm dBm dB dB
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HFA3661
Electrical Specifications
VCC = 5.5V, ZO = 50, Unless Otherwise Specified (Continued) (NOTE 2) TEST LEVEL A A A A B B TEMP (oC) 25 25 25 25 25 25
PARAMETER LNA Output VSWR 2.0GHz 2.7GHz LNA Output Return Loss 2.0GHz 2.7GHz LNA Max Power In (Functional) LNA Power Down Attenuation
SYMBOL LNA_OSWR_2 LNA_OSWR_7 LNA_ORL_2.0 LNA_ORL_2.7 LNA_MP LNA_PD
MIN 9.5 9.5 -4 -
TYP 1.4:1 1.6:1 15.6 12.7 36
MAX 2.0:1 2.0:1 -
UNITS dB dB dBm dB
RECEIVE MIXER CHARACTERISTICS (LO_IN = 2230MHz/-3dBm, RXM_RF = 2300MHz/-30dBm, IF_OUT load = 50 with external matching network at 70MHz) Rx Mixer RF Frequency Range Rx Mixer IF Frequency Range Rx Mixer SSB Noise Figure at 2.4GHz Rx Mixer Power Conversion Gain 2.0GHz 2.7GHz MixerOIP3 at 2300.1MHz, 2299.9MHz/-30dBm Rx Mixer IF Output 1dB Compression 2.0GHz 2.7GHz 2.0GHz 2.7GHz RXM_RFf RXM_IFf RXM_NF RXM_PG_2.0 RXM_PG_2.7 RXM_IP3_2.0 RXM_IP3_2.7 RXM_P1D2.0 RXM_P1D2.7 RXM_ROUT RXM_COUT RXM_LOR RXM_MP B B B A A A A B B B B B B Full Full 25 25 25 25 25 25 25 25 25 25 25 2.0 10 20 19 11 8 12 13 22 23 15 11 4 3 67 1.1 22 2.7 250 15.5 GHz MHz dB dB dB dBm dBm dBm dBm pF dB dBm
Rx Mixer IF_OUT Resistance (IF = 70MHz) Rx Mixer IF_OUT Capacitance (IF = 70MHz) Rx Mixer LO to RF Isolation Rx Amplifier Max Power Input (Functional) POWER SUPPLY AND LOGIC CHARACTERISTICS Voltage Supply Range Receive Mode Supply Current
VCC RCV_ICC RCV_ICC
B A B B B A B A A B B B B B B
Full 25 Full 25 Full 25 Full Full Full 25 25 Full Full Full Full
2.7 -0.2 2.4 -
48 58 19 19 1 1 -
5.5 65 75 23 25 100 100 0.8 VCC 5 50 10 10 10 10
V mA mA mA mA A A V V A A s s s s
Attenuated Receive Mode Supply Current PE = VCC, LNA_PD = VCC Power Down Mode Supply Current LNA_PD = GND Logic Input Low Level Logic Input High Level Logic Low Input Bias Current (0V) Logic High Input Bias Current (5.5V) LNA_PD Power Enable Time LNA_PD Power Disable Time RX_PE Power Enable Time RX_PE Power Disable Time NOTE:
ATTN_ICC ATTN_ICC PD_ICC PD_ICC VIL VIH IB_LO IB_HI LNA_Et LNA_Dt PEt PDt
2. Test Level A = 100% production tested, B = Typical or Limit based on characterization data, C = Design information, goal or condition.
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HFA3661 Typical Application Circuit
AMPLIFIER DISABLE -3dB/50 BPF IMAGE REJECT FILTER VCC C3 270pF C1 2.2F LNA_VCC GND LNA_OUT C5 100pF GND LNA_VCC 5 C6 270pF RF INPUT 2300MHz 50 GND LNA_IN 7 C7 7pF GND RXM_VCC C8 270pF RX_PE 10 BIAS 8 9 14 13 12 IF_OUT 1000pF L1 L2 C15 1000pF C16 IF OUTPUT 70MHz 50 6 C2 2200pF LNA_PD 1 2 3 4 LNA RXM 16 LO_IN 15 GND BYP_CAP1 C13 C12 7pF 22pF 20 19 18 17 GND RXM_RF C9 RXM_VCC LO_BY C11 L3 C10 270pF 27pF C17 LO INPUT 2230MHz 50
270pF C4
100pF
BYP_CAP2 11 C14
1000pF 200pF RECEIVE ENABLE IF MATCH L1 L2 C15
FREQ = 70MHz 150nH 120nH 42-46pF MIXER INP MATCH FREQ = 2 - 2.7GHz L3 3.3nH C9 4.7pF
L3, C9 OPTIMUM MATCH TO 2.4GHz
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