TDA5636B Datasheet, PDF (18/28 Pages) NXP Semiconductors – 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners

Philips Semiconductors
9 V VHF hyperband and UHF mixer/oscillator
for TV and VCR 3-band tuners
APPLICATION INFORMATION
Product specification
TDA5636B; TDA5637B
handbook, full pagewidth
V _{t R14}
R3 R6
C11
C28
C29 C4
C3
R2
L1
D1
D2
L2
C10
L3
C9 R4
R5
C15 _R7
C14
L4
D3
C1 C5 C2
24 23 22
(1) (2) (3)
BAND A
OSCILLATOR
C6
C7
21 20
(4) (5)
BAND C
OSCILLATOR
C12 C8
C13
19 18 17
(6) (7) (8)
BAND B
OSCILLATOR
K only open for switch
current measurement
5V
spectrum
analyzer
CBA
R10
50 Ω
R8
R11
R9 C16
L7
K
16
15
(9)
(10)
ELECTRONIC
BAND SWITCH
L6
C31
C17
C30
14
13
(11)
(12)
IF
AMPLIFIER
MIXER
MIXER
MIXER
TDA5636B
TDA5637B
BAND A
STAGE
BAND C
STAGE
BAND B
STAGE
DC
STABILIZER
LOCAL
OSCILLATOR
AMPLIFIER
1
2
(24)
(23)
C27
C26
3
4
5
6
7
(22)
(21)
(20)
(19) (18)
C25
C24
C23
C21
8 9 10 11
12
(17) (16) (15) (14)
(13)
C19
C18
C20 R12
L5
HYBRID
ANZAC-183-4
50 Ω
50 Ω
50 Ω
C22
9V
HYBRID
ANZAC-183-4
50 Ω
The numbers in parenthesis represent the TDA5637B.
Fig.17 Measurement and application circuit.
MGC505
50 Ω
output
spectrum
analyzer
1996 Dec 02
18