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SN761646 Datasheet(PDF) 10 Page - Texas Instruments |
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SN761646 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 26 page  SN761646 SLES251 – NOVEMBER 2009 www.ti.com IF Gain Controlled Amplifier VCC = 5 V, TA = 25°C, measured in Figure 20 reference measurement circuit at 50-Ω system, IF = 45.75 MHz, IF filter characteristics: fpeak = 44 MHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IIFGCA Input current (IF GCA CTRL) VIFGCA = 3 V 30 60 µA VIFGCAMAX Maximum gain control voltage Gain Maximum 3 VCC V VIFGCAMIN Minimum gain control voltage Gain Minimum 0 0.2 V GIFGCAMAX Maximum gain VIFGCA = 3 V 65 dB GIFGCAMIN Minimum gain VIFGCA = 0 V –1 dB GCRIFGCA Gain control range VIFGCA = 0 V to 3 V 66 dB VIFGCAOUT Single-ended output, VIFGCA = 3 Output voltage 2.1 Vp-p V NFIFGCA Noise figure VIFGCA=3V 11 dB IM3IFGCA fIFGCAIN1 = 43 MHz, fIFGCAIIN2 = 44 MHz, Third order intermodulation distortion –50 dBc VIFGCAOUT = –2 dBm, VIFGCA = 3 V IIP3IFGCA Input intercept point VIFGCA = 0 V 11 dBm RIFGCAIN Input resistance (IF GCA IN1, IF GCA 1 k Ω IN2) RIFGCAOUT Output resistance (IF GCA OUT1, IF 25 Ω GCA OUT2) 10 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): SN761646 |
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