TEA5712 Ver la hoja de datos (PDF) - Philips Electronics
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componentes Descripción
Lista de partido
TEA5712 Datasheet PDF : 28 Pages
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Philips Semiconductors
AM/FM stereo DTS radio circuit
Product specification
TEA5712; TEA5712T
NUMBER
TYPE
L8
AM-RF
DESCRIPTION
test circuit only:
L1-3 = 40 µH
N1-3 = 34 turns
unloaded Q = 85
wire diameter 0.09 mm
TOKO type 7P
material TOKO 7BRS
CIRCUIT
Ceramic filters
K1
FM-IF1
Murata SFE 10.7 MS 2
K2
FM-IF2
Murata SFE 10.7 MS 2
K3
FM-DET
Murata CDA 10.7 MC 40
Variable capacitance diodes
FM-RF
BB204B
FM-OSC
FM-RF
AM-OSC
BB204G
BB112
BB112
Application remarks
• Short circuiting: all pins are short-circuit proof except pin 16 (FM-RFI) with respect to the supply voltage pin.
• Align VCO with aerial signal present.
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Fig.9 Typical AM audio voltage (VAF; signal at m = 0.3), noise and THD as a function of RF input voltage
(Vin1; fi = 1 kHz). Measured in test circuit Fig.7 with VP = 3.0 V.
September 1994
20
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