HFA3726IN Intersil Corporation, HFA3726IN Datasheet
HFA3726IN
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HFA3726IN Summary of contents
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... The device is housed in a thin 80 lead TQFP package well suited for PCMCIA board applications. Ordering Information TEMP. o PART NUMBER RANGE ( C) PACKAGE HFA3726IN - TQFP HFA3726IN96 - TQFP Simplified Block Diagram LIM1_IN RSSI1 RSSI2 MOD_LO_IN MOD_LO_OUT LO_GND MOD_TX_IF_OUT 1 November 1999 Features • ...
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Pinout LIM1_BYP+ LIM1_IN+ LIM1_IN- LIM1_BYP- GND GND GND GND LPF_V CC 2V REF LPF_BYP LPF_TXI_IN LPF_TXQ_IN LPF_RXI_OUT LPF_RXQ_OUT GND GND LPF_Tune1 LPF_Tune0 GND 2 HFA3726 80 LEAD TQFP TOP VIEW ...
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Block Diagram LPF_TUNE0 LPF_TUNE1 LPF_RX PE LPF_RX I - LPF_RX I + LPF_RX Q + LPF_RX Q - MOD_RX Q - MOD_RX Q + MOD_RX I - MOD_RX I + MOD_RX PE MOD_IF_IN + MOD_IF_IN - LIM2_OUT - LIM2_OUT + ...
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Pin Description PIN SYMBOL 1 LIM1_BYP+ DC feedback pin for Limiter amplifier 1. Requires good decoupling and minimum wire length to a solid signal ground. 2 LIM1_In+ Non inverting analog input of Limiter amplifi LIM1_In- Inverting input of ...
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Pin Description (Continued) PIN SYMBOL 35 Mod_RXQ+ Quadrature demodulator positive output. AC coupling is required. Normally connects to the non inverting input of the Low pass filter (LPF_RXQ+), pin 28. 36 Mod_RXQ- Quadrature demodulator negative output. AC coupling is required. ...
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Pin Description (Continued) PIN SYMBOL 65, 66, GND Ground. Connect to a solid ground plane. 67, 68, 69, 70, 71, 72 LIM1_PE Digital input control to enable the limiter amplifier 1. Enable logic level is High. 75 LIM1_V ...
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Absolute Maximum Ratings Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.0V Voltage on ...
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AC Electrical Specifications, Demodulator Performance Unless Otherwise Specified (Continued) PARAMETER IF Demodulator RSSI Voltage Output Slope (Note 9) IF Demodulator RSSI DC Level, Pin = -30dBm (Note 9) IF Demodulator RSSI DC Level, Pin = -70dBm (Note 9) IF Demodulator ...
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Typical Performance Curves, Demodulator 10mA/DIV 2.5 4 FIGURE 1. DEMODULATOR SUPPLY CURRENT vs V TEMPERATURE 40mV/DIV. 700 500 300 2.5 4 FIGURE 3. DEMOD I/Q OUTPUT SWING vs V TEMPERATURE o 0.2 /DIV. o ...
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Typical Performance Curves, Demodulator 0.4dB/DIV xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx EXPECTED VARIATION xxxxxxxxxxxxxxxxxxxxxx o 0 xxxxxxxxxxxxxxxxxxxxxx WINDOW vs TEMP xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx o -2 -60 -40 - TEMPERATURE FIGURE 7. DEMOD I/Q PHASE ...
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Typical Performance Curves, Modulator 10mA/DIV. 90mA 10mA 2.5 4 FIGURE 12. MODULATOR SUPPLY CURRENT vs V TEMPERATURE 0.5dB/DIV. -5 -10 2.5 4 FIGURE 14. MODULATOR SSB OUTPUT POWER vs V TEMPERATURE 1dB/DIV. +5dB xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx ...
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Typical Performance Curves, Modulator 1dB/DIV. 0dB -3dB 1MHz 2MHz FIGURE 18. TYPICAL MODULATOR I/Q 3dB CUTOFF FREQUENCY CURVE 2%/DIV. +10% 0% -10% -60 -40 - TEMPERATURE FIGURE 20. LPF CUTOFF FREQUENCY vs TEMPERATURE AND V (NOTE 14 ...
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Test Diagram (280MHz IF 0.1 75 (NOTE 17 (NOTE 16) 100p IF_IN 0 47p 79 RSSI TABLE 2. POWER MANAGEMENT TRANSMIT RECEIVE LIM1_PE 0 LIM2_PE 0 LPF_RX_PE 0 ...
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Typical Application Diagram V CC 0.1 75 TOYOCOM (NOTE 20) TQS 432 100p TOYOCOM TQS 432 NOTES: 20. Input termination used to match a SAW filter. 21. Typical bandpass filter for 280MHz 47MHz, ...
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HFA3726. Ground reference input signals as low as - 15dBm and frequencies up to 900MHz (2XLO) can be used and tailored by the user. A buffered, divide single ended 50 selectable output is provided for ...
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Quadrature Down Converter The quadrature down converter mixers are based in a Gilbert cell design. The input signal is routed to both mixers in parallel. With full balanced differential architecture, these mixers are driven by an accurate internal Local Oscillator ...
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The “I” and “Q” filter matching is within 2 for amplitude at the passband. Group delay characteristics follow closely a theoretical 5th order Butterworth design. When in the receive mode, the filters exhibit a 0dB of gain with differential inputs ...
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AC Electrical Specifications, I/Q Down Converter Individual Performance PARAMETER Quadrature Demodulator Input Frequency Range Demodulator Baseband I/Q Frequency Range Demodulator Voltage Gain at Frequency Range Demodulator Differential Input Resistance Demodulator Differential Input Capacitance Demodulator Differential Output Level at 4K Load, ...
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AC Electrical Specifications, TX Buffer Individual Performance PARAMETER TX LPF Buffer Serial Data Rate TX LPF Buffer Digital Input Impedance NOTE: 28 Production Tested Based on Characterization Design ...
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Typical Performance Curves, Individual Blocks 1dB/DIV. 5.5V 45dB 2.7V 40dB 10M 100M FIGURE 26. SINGLE STAGE LIMITER GAIN vs FREQUENCY AND TEMPERATURE HFA3726 0.25dB/DIV. 7dB 6dB 5dB o 25 ...
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... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with- out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...