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TRF3040PT Datasheet(PDF) 8 Page - Texas Instruments |
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TRF3040PT Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 40 page  TRF3040 MODULATOR/SYNTHESIZER SLWS057 – AUGUST 1999 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ac electrical characteristics VCCP = VDD = VDDA = 3.75 V, TA = 25°C (unless otherwise noted) transmit intermediate frequency synthesizer, SSBSC converter and I/Q modulator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TXLO ± Transmit LO input frequency 900 1100 MHz TXLO ± Transmit LO input power AC coupled; 50- Ω single-ended, 100- Ω differential –13 –10 dBm TANK ± TXIF_VCO tank differential input frequency range 155 MHz PHSOUT TXIF_PD charge pump output level 0.5 VDDA – 0.5 V IPEAK TXIF_PD charge pump current setting RIPEAK = 13 kΩ 2.3 mA K φ TXIF_PD phase gain PLL in phase lock 1.46 mA/rad XTAL+ XTAL oscillator input frequency 15 25 MHz XTAL+ XTAL negative resistance With external capacitors –100 Ω RCLK Frequency range 20 MHz RCLK, MCLK Output levels RCLK, MCLK load circuit 0.7 1 1.4 VPP MCLK Harmonic content 10 dBc Differential input frequency 1.8 MHz I/I Q/Q Differential modulation level 0.8 0.9 1.0 VPEAK I/I, Q/Q Differential input impedance 10 k Ω DC bias point 1.65 1.7 2.0 V TXRF TX operating frequency range 820 920 MHz RF output frequency SE = 1, TXEN = 1, AMPS/DAMPS 820 853 MHz Output power (I/Q set to typical conditions) Open collector, matched to 200 Ω differential impedance 9 dBm Gain flatness 1 dB Li it i DAMPS d (I/Q i h l l t t 3rd order 33 36 dBc Linearity in DAMPS mode (I/Q in phase, levels set to nominal conditions Pout set to 8 dBm) 5th order 45 62 dBc nominal conditions Pout set to 8 dBm) 7th order 53 70 dBc Carrier suppression I&Qin quadrature VGA set to Pout = 8 dBm 26 40 dBc Carrier suppression, I & Q in quadrature VGA set to Pout = –38 dBm 33 dBc DUALTX ± Sideband suppression, I & Q in quadrature 25 43 dBc Adjacent channel noise power Ar 30 kHz offset –95 dBc/Hz Alternate channel noise power At 60 kHz offset –101 dBc/Hz TXLO 21 33 Upper sideband 21 60 TXLO conversion products (see Note 3) TXLO –2 ×TXIF 15 dBc TXLO ±3×TXIF 36 Harmonics ≤ 10th 21 Broadband noise (0-dB VGA or 9-dBm output, whichever is less 869 to 894 MHz –124 dBc/Hz NOTE 3: Parameters may vary depending on external output matching circuit. |
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