tda5737 NXP Semiconductors, tda5737 Datasheet - Page 17

• Manufacturer Part Number: tda5737
• Description: 5 V Vhf, Hyperband And Uhf Mixers/oscillators For Tv And Vcr 3-band Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
1997 Feb 24
handbook, full pagewidth
5 V VHF, hyperband and UHF mixers/oscillators
for TV and VCR 3-band tuners
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.
C18
C19
R9
L9
(24)
1
(23)
2
R1
OSCILLATOR
C33
50
C22
23
(2)
BAND A
BAND A
D1
C1
STAGE
C6
MIXER
(19)
6
50
L1
21
(4)
C8
C20
C5
to C20-C21 or C23-C24
C32
R2
ANZAC-183-4
OSCILLATOR
24
(1)
D2
50
C2
(21)
4
HYBRID
C3
BAND C
BAND C
STAGE
MIXER
C7
22
(3)
C21
R3
L3
20
(5)
C9
L2
Fig.17 Measurement circuit.
(20)
5
50
18
(7)
C34
C10
(22)
3
R5
OSCILLATOR
C11
19
(6)
(18)
7
BAND B
BAND B
C31
STAGE
C23
MIXER
17
17
(8)
D3
C4
C13
R6
C30
R7
16
(9)
(17)
8
L4
C24
C12
V t
TDA5736T
TDA5736M
TDA5737M
STABILIZER
C25
C26
5 V
DC
15
(10)
L10
(16)
9
C35
C14
C27
L5
ELECTRONIC
OSCILLATOR
ANZAC-183-4
AMPLIFIER
AMPLIFIER
C16 C17
50
14
(11)
(15)
10
SWITCH
HYBRID
LOCAL
TDA5736; TDA5737
BAND
R10
L8
L7
IF
MEASUREMENT
output
50
NETWORK
13
(12)
(14)
11
L6
LO leakage
C15
C28
IF output
R8
50
R11
50
A
Product specification
(13)
12
5 V
B
spectrum
spectrum
analyser
analyser
C
C29
R12
MGE975
pre-stages
to