tea5711t NXP Semiconductors, tea5711t Datasheet - Page 21

• Manufacturer Part Number: tea5711t
• Description: Am/fm Stereo Radio Circuit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Application remarks
September 1994
L8
Ceramic filters
K1
K2
K3
Capacitors
C1
NUMBER
Short circuiting: all pins are short-circuit proof except pin 16 (FM-RF
For an example of printed-circuit board layout: see Figs 9 and 10.
Align VCO with aerial signal present.
AM/FM stereo radio circuit
Fig.11 Typical AM audio voltage (V
AM-RF
FM-IF1
FM-IF2
FM-DET
VARICON
voltage (V
TYPE
in1
; f
i
= 1 kHz). Measured in test circuit Fig.7 with V
test circuit only:
L1-3 = 40 H
N1-3 = 34 turns
unloaded Q = 85
wire diameter 0.09 mm
TOKO type 7P
material TOKO 7BRS
Murata SFE 10.7 MS 2
Murata SFE 10.7 MS 2
Murata CDA 10.7 MC 40
AM: 140/82 pF
FM: 2
trimmer: 4
TOKO type number HU-22124
20 pF
AF
; signal at m = 0.3), noise and THD as a function of RF input
8 pF
DESCRIPTION
21
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
B B B B B B
I
) with respect to the supply voltage pin.
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
P
= 3.0 V.
TEA5711; TEA5711T
CIRCUIT
Product specification