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U4454B Datasheet(PDF) 3 Page - TEMIC Semiconductors |
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U4454B Datasheet(HTML) 3 Page - TEMIC Semiconductors |
3 / 7 page U4454B Preliminary Information TELEFUNKEN Semiconductors Rev. A1, 23-Feb-96 3 (7) Electrical Characteristics Vs = 8 V, Tamb = 25°C, reference point Pin 4, unless otherwise stated Parameters Test Conditions / Pins Symbol Min. Typ. Max. Unit DC-supply Pin 14 Supply voltage Vs 6.8 8.0 13.0 V Supply current Is 45 55 mA IF-amplifier Pins 1–16 Input sensitivity RMS value change of output signal at Pin 6: –3 dB Vin 80 120 µVRMS Input impedance Rin 1.2 k W Input capacitance Cin 2 pF IF-AGC Pins 5 and 7 IF gain control range Gv 60 66 dB AGC capacitor C5 4.7 µF Average capacitor C7 0.33 1.0 mF PLL Pins 8–9, 11 and 12 see note 2 PLL capture range Dfcap ±1.5 MHz VCO-tuning range Dfvco 3.0 MHz VCO-tuning sensitivity Df / Du 3.0 4.5 kHz/mV FM-mode: Intercarrier mixer operation Pin 6 see note 3 DC output voltage V5 = 4.5 V, vin = 0 VDC 4.2 V Output resistance Rout 100 W Sound IF output voltage 5.50 MHz output voltage 5.74 MHz output voltage Vin = 10 mV Vout Vout 80 35 120 55 180 80 mVRMS mVRMS Weighted signal to noise ratio: (CCIR 468) Black screen: 1. Channel 2. Channel Grid pattern: 1. Channel 2. Channel Grey screen 50%: 1. Channel 2. Channel ref. signal: vin =10 mV, fdev = "30 kHz, fmod = 1 kHz, measured with FM demo- dulator U2831B, standard B/G modulated IF signal (residual carrier 10%); S/N S/N S/N S/N S/N S/N 62 60 52 50 59 58 dB dB dB dB dB dB |
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