tda5637bm NXP Semiconductors, tda5637bm Datasheet - Page 18

• Manufacturer Part Number: tda5637bm
• Description: 9 V Vhf Hyperband And Uhf Mixer/oscillator For Tv And Vcr 3-band Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
1996 Dec 02
handbook, full pagewidth
9 V VHF hyperband and UHF mixer/oscillator
for TV and VCR 3-band tuners
The numbers in parenthesis represent the TDA5637B.
V t
C28
D1
C1
R14
OSCILLATOR
24
(1)
C3
C5
BAND A
BAND A
STAGE
MIXER
L1
C29
23
(2)
C2
C4
R2
22
(3)
R3
R6
50
C27
C6
OSCILLATOR
ANZAC-183-4
Fig.17 Measurement and application circuit.
D2
C10
C9
BAND C
BAND C
1
(24)
HYBRID
STAGE
MIXER
C11
21
(4)
50
C26
L2
R4
20
(5)
C7
2
(23)
L3
C12
R5
3
(22)
C25
OSCILLATOR
19
(6)
18
C8
BAND B
BAND B
C15
STAGE
4
(21)
MIXER
C24
18
(7)
D3
R7
5
(20)
50
17
(8)
C23
C14
C13
L4
TDA5636B
TDA5637B
6
(19)
STABILIZER
R8
16
(9)
BAND SWITCH
7
(18)
ELECTRONIC
C21
DC
C22
TDA5636B; TDA5637B
K only open for switch
current measurement
C
15
(10)
K
9 V
L5
MGC505
B
R10
R9
8
(17)
5 V
A
9
(16)
C16
C20
C17
10
(15)
OSCILLATOR
ANZAC-183-4
AMPLIFIER
AMPLIFIER
spectrum
analyzer
Product specification
14
(11)
C19
HYBRID
11
(14)
50
LOCAL
output
spectrum
analyzer
C31
R12
50
L7
L6
IF
50
R11
12
(13)
C18
13
(12)
C30