tda5745ts NXP Semiconductors, tda5745ts Datasheet - Page 3
tda5745ts
Manufacturer Part Number
tda5745ts
Description
Low Power Mixers/oscillators For Hyperband Tuners
Manufacturer
NXP Semiconductors
Datasheet
1.TDA5745TS.pdf
(20 pages)
Philips Semiconductors
1998 Mar 09
BLOCK DIAGRAM
handbook, full pagewidth
Low power mixers/oscillators for
hyperband tuners
The pin numbers in parenthesis represent the TDA5745.
UHFIN2
UHFIN1
RFGND
VHFIN
IFFIL2
IFFIL1
n.c.
n.c.
n.c.
n.c.
n.c.
BS
12 (13)
11 (14)
10 (15)
1 (24)
3 (22)
9 (16)
2 (23)
8 (17)
7 (18 )
6 (19)
5 (20)
4 (21)
ELECTRONIC
SWITCH
STAGE
STAGE
BAND
VHF
UHF
(TDA5745)
TDA5744
Fig.1 Block diagram.
MIXER
MIXER
UHF
VHF
3
AMPLIFIER
OSCILLATOR
OSCILLATOR
STABILIZER
IF
VHF
UHF
DC
(12) 13
(11) 14
(10) 15
(9) 16
(8) 17
(7) 18
(6) 19
(5) 20
(4) 21
(3) 22
(2) 23
(1) 24
TDA5744; TDA5745
MGM466
Preliminary specification
V CC
IFOUT1
IFOUT2
GND
VHFOSCIB1
VHFOSCOC1
VHFOSCOC2
VHFOSCIB2
UHFOSCIB1
UHFOSCOC1
UHFOSCOC2
UHFOSCIB2
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