SAA5231 Datasheet, PDF (9/13 Pages) NXP Semiconductors – Teletext video processor

Philips Semiconductors
Teletext video processor
Component specifications
Specifications of some external components in Figs 3, 4a and 4b.
Quartz crystal 13,875 MHz; Figs 3, 4a and 4b.
Load resonance frequency (f) 13,875 MHz; adjustment tolerance ± 40 × 10^−6
Load capacitance (C_L) 20 pF
Temperature range (T) −20 to +70 °C; frequency tolerance maximum ± 30 × 10^−6
Resonance resistance (R_r) typical 10 Ω maximum 60 Ω
Motional capacitance (C₁) typical 19 fF
Static parallel capacitance (C_o) typical 5 pF
Fixed inductance Figs 3, 4a and 4b.
Inductance (L) 15 µH ± 20%
Quality factor (Q) minimum 20
Variable inductance Fig. 3
Inductance (L) 50 µH at 1 kHz
Static parallel capacitance (C_o) typical 4 pF
Quartz crystal Fig. 4a
Preferred type 4322 143 04101
Load resonance frequency (f) 6 MHz; adjustment tolerance ± 40 × 10^−6
Load capacitance (C_L) 20 pF
Temperature range (T) −20 to +70 °C; frequency tolerance ± 30 × 10^−6
Resonance resistance (R_r) 60 Ω
Motional capacitance (C₁) typical 28 fF
Static parallel capacitance (C_o) typical 7 pF
Ceramic resonator; Fig. 4b
Preferred type KBR 6,0 M, Kyocera
Load resonance frequency (f) 6 MHz; adjustment tolerance ± 0,5%
Load capacitance (C_L) 20 pF
Temperature range (T) −20 to +70 °C; frequency tolerance maximum ± 0,3%
Resonance resistance (R_r) typical 6 Ω
Motional capacitance (C₁) typical 9 pF
Static parallel capacitance (C_o) typical 60 pF
Ageing (10 years) f maximum ± 0,3%
November 1986
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Product specification
SAA5231