TDA5736 Datasheet, PDF (19/28 Pages) NXP Semiconductors – 5 V VHF, hyperband and UHF mixers/oscillators for TV and VCR 3-band tuners

Philips Semiconductors
5 V VHF, hyperband and UHF mixers/oscillators
for TV and VCR 3-band tuners
Product specification
TDA5736; TDA5737
handbook, full pagewidth
C33
R1
C32
R2
C34
C31
C30
Vt
R7
R3
R5
R6
C1
D1 L1
C2 R13
L2
C3
L3
C36
D2
C4
L4
D3
C7
C10
C6
C8 C5
C9
C13
C12
C11
23
21
(2)
(4)
24 22 20 18
(1) (3) (5) (7)
19 17 16
(6) (8) (9)
MEASUREMENT
NETWORK
L8
IF output
L7
50 Ω ^spectrum
analyser
C16 C17 ^{LO leakage}
R8
spectrum
50 Ω analyser
L5
C14
15
14
(10)
(11)
L6
C15
13
(12)
BAND A
OSCILLATOR
BAND C
OSCILLATOR
BAND B
OSCILLATOR
TDA5736T
TDA5736M
TDA5737M
IF
AMPLIFIER
MIXER
BAND A
STAGE
MIXER
BAND C
STAGE
MIXER
BAND B
STAGE
DC
STABILIZER
ELECTRONIC
BAND
SWITCH
LOCAL
OSCILLATOR
AMPLIFIER
(24) (23)
(19)
12
6
(21)
(20) (22) (18)
(17)
4
5
3
7
8
(16)
(15)
(14) (13)
9
10
11 12
C22
C20
C21
C18
C23
C24
C27
C28
C29
C25 C35
R10
to C20-C21 or C23-C24
R9
HYBRID
L9
ANZAC-183-4
50 Ω 50 Ω
50 Ω
50 Ω
C19
L10
C26
5V
R11
R12
HYBRID
ANZAC-183-4
50 Ω
50 Ω
output
A BC
to
pre-stages
5V
MGE976
L7, L8, C16, C17 and R8 are only necessary for measurements (these components are not used in a tuner).
The numbers in parenthesis represent the TDA5737M.
Fig.18 Measurement circuit with thermal compensation.
1997 Feb 24
19