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TDA8050 Datasheet(PDF) 7 Page - NXP Semiconductors |
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TDA8050 Datasheet(HTML) 7 Page - NXP Semiconductors |
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7 / 24 page  1999 Dec 14 7 Philips Semiconductors Product specification QPSK transmitter TDA8050 Converter output Vo output level fi = 30 MHz; Vi(dif) = 100 mV at I and Q inputs 37.5 40 42.5 dBmV ∆V o output flatness fi = 5 to 40 MHz; Vi(dif) = 100 mV at I and Q inputs −− 2dB fc output centre frequency 5 − 40 MHz Zo(dif) differential output impedance − 150 −Ω IM3 3rd-order intermodulation distortion see Fig.4 −−−35 dBc H2 2nd-order harmonic of 5 to 40 MHz signal fi = 10 to 80 MHz; Vi(dif) = 100 mV at I and Q inputs −−−45 dBc H3 3rd-order harmonic of 5 to 40 MHz signal fi = 15 to 120 MHz; Vi(dif) = 100 mV at I and Q inputs −−−45 dBc So mixer spurious outputs of 5 to 40 MHz signal fi = 5 to 40 MHz; Vi(dif) = 100 mV at I and Q inputs −−−50 dBc Converter voltage controlled oscillator fosc(min) minimum oscillation frequency −− 145 MHz fosc(max) maximum oscillation frequency 180 −− MHz Programmable gain and output buffer; note 1 Zi(dif) differential input impedance − 5.6 − k Ω ∆G output level step size −− 2dB ∆Buf o output level adjust range Vi = 30 dBmV sine wave; 40 MHz at pin RF_IN and RF_INC; DAC = 0 to 31 32 −− dB Vo output level − 55 − dBmV ∆V o output flatness fi = 5 to 40 MHz; Vi = 30 dBmV sine wave; DAC = 28 −− 2dB VO(ENL) output controlled enable LOW output buffer on −− 0.8 V VO(ENH) output controlled enable HIGH output buffer off 2.4 −− V ISO disable isolation Vi(dif) = 100 mV; Vo = 55 dBmV; DAC = 28; fi = 40 MHz; OE = 0.5 −35 −− dBc G(max) maximum gain see Fig.5 − 22 − dB Vo(1dB) 1 dB compression point see Fig.5 60 −− dBmV H2 2nd-order harmonic of 5 to 40 MHz signal see Fig.6 fi =10to40MHz −−−45 dBc fi= 54 to 120 MHz −−−35 dBc SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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