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F1200 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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F1200 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 14 page  Intermediate Frequency Digital Variable Gain Amplifier IDTF1200 RevO Page 1 of 13 April, 2011 DATASHEET GENERAL DESCRIPTION The IDTF1200 is a Digitally Controlled Intermediate Frequency Differential Variable Gain Amplifier for BaseStation and other commercial applications with a low IF frequency. The device offers extremely low Noise Figure over the entire gain control range. The device is packaged in compact 5x5 Thin QFNs with 200 ohm differential input and output impedances for ease of integration into the receiver lineup. Versions covering IF frequencies up to 300 MHz with low distortion are available. COMPETITIVE ADVANTAGE The F1200 acts to enhance system SNR when VGA gain is reduced. The F1200 noise figure (NF) degrades only slightly (NF slope ~ -0.16 dB/dB) over a 13 dB control range while holding the Output IP3 approximately constant. The resultant improvement in noise can enhance the system SNR up to 2 decibels at low gain settings relative to a standard VGA. The device has excellent DNL and INL simplifying digital compensation. The device also offers the extremely low Harmonic, IM2, and IM3 distortion necessary to drive an ADC directly in an IF sub-sampling application. APPLICATIONS BaseStation Diversity Receivers Digital Pre-Distortion Wave Point-to-Point Radios Public Safety Receivers PART# MATRIX Part# Gain Range IP3O IF freq range NF F1200 22 to -1 48 50 - 160 2.6 F1206* 20 to -11 47 150 - 250 3.6 F1207* 20 to -11 46 230 - 300 3.7 *Future Product FEATURES Ideal for high SNR systems 22 dB typ Maximum Gain 23 dB gain control range 7 bit parallel control 0.25 dB Gain Steps Excellent N No oiisse e FFiig gu urre e < < 3 3..0 0 d dB B 5mm x 5mm 28 pin package 200 Ω Differential Input 200 Ω Differential Output N NFF d de eg grra ad de ess < < 2 2d dB B @ @ 1 12 2d dB B rre ed du ucce ed d g ga aiin n 50 MHz – 160 MHz frequency range Ultra-Linear: IIP P3 3OO + +4 48 8 d dB Bm m ttyyp piicca all External current setting resistor Fast Gain Step Settling < 20 nsec DEVICE BLOCK DIAGRAM ` ` Decode Logic VCC ATTN In AMP out Bias Control Gain Control VCC ATTN Out AMP In ISET VMODE 7 STBY ORDERING INFORMATION IDTF1200NBGI8 0.75 mm height package Green Industrial Temp range Tape & Reel Omit IDT prefix RF product Line |
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Similar Description - F1200 |
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