TEA6100 Philips Semiconductors (Acquired by NXP), TEA6100 Datasheet - Page 23

• Manufacturer Part Number: TEA6100
• Description: TEA6100; Fm/if System And Microcomputer-based Tuning Interface
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
Double tuned circuit
Alignment of the circuit is obtained with an IF input signal > 200 V. Tuning the circuit is performed by, detuning L2,
adjusting L1 to obtain a minimum distortion level and then adjusting L2 to obtain a minimum distortion level.
August 1987
FM/IF system and microcomputer-based
tuning interface
Fig.20 Total harmonic distortion plotted against IF detuning; for f =
Fig.19 Double tuned demodulator circuit.
23
75 kHz, f
R1 = 5,1 k , R2 = 1,5 k
C1 = C2 = 150 pF (n = 220)
C3 = C4 = 10 pF
L1 = L2 = 1,6 H
mod
= 1 kHz and V
Product specification
TEA6100
O
= 500 mV.