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Número de pieza | TDA5637BT | |
Descripción | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
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DATA SHEET
TDA5636B; TDA5637B
9 V VHF hyperband and UHF
mixer/oscillator for TV and VCR
3-band tuners
Product specification
Supersedes data of 1995 August 01
File under Integrated Circuits, IC02
1996 Dec 02
1 page Philips Semiconductors
9 V VHF hyperband and UHF mixer/oscillator
for TV and VCR 3-band tuners
Product specification
TDA5636B; TDA5637B
PINNING
SYMBOL
CIN1
CIN2
RFGND
BIN1
BIN2
AIN
VP
MIXOUT1
MIXOUT2
GND1
LOOUT1
LOOUT2
IFOUT1
IFOUT2
BS
GND2
BOSCOC
COSCIB1
BOSCIB
COSCOC1
COSCOC2
AOSCOC
COSCIB2
AOSCIB
PIN
TDA5636B TDA5637B
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
13 12
14 11
15 10
16 9
17 8
18 7
19 6
20 5
21 4
22 3
23 2
24 1
DESCRIPTION
band C input 1
band C input 2
ground for RF inputs
band B input 1
band B input 2
band A input
supply voltage
mixers output 1
mixers output 2
ground 1 (0 V)
local oscillator amplifier output 1
local oscillator amplifier output 2
IF amplifier output 1
IF amplifier output 2
electronic band switch input
ground 2 (0 V)
band B oscillator output collector
band C oscillator input base 1
band B oscillator input base
band C oscillator output collector 1
band C oscillator output collector 2
band A oscillator output collector
band C oscillator input base 2
band A oscillator input base
1996 Dec 02
5
5 Page Philips Semiconductors
9 V VHF hyperband and UHF mixer/oscillator for
TV and VCR 3-band tuners
Product specification
TDA5636B; TDA5637B
handbook, full pagewidth
signal
50 Ω source
e V meas V
RFA
IF
out
50 Ω Vi
D.U.T.
RMS
voltmeter
GND
IF
out
TR 27 Ω
Vo
2x5
turns
2 V'meas
turns
N1/N2 = 5
spectrum
analyzer
50 Ω
MGC507
Zi (AIN) >> 50 Ω ⇒ Vi = 2 × Vmeas.
Vi = Vmeas + 6 dB.
Vo = V’meas ×
5----0---5--+-0----2---7--
+
15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
Gv = 20 log -VV----o-i
Fig.4 Band A gain measurement.
handbook, full pagewidth
BNC C1
L1
I1
PCB
plug
C2 RIM-RIM
(a)
I3
PCB
BNC C3
I2 plug
RIM-RIM
C4
(b)
MBE286 - 1
(a) For fRF = 50 MHz:
mixer A frequency response measured = 57 MHz, loss = 0 dB
image suppression = 16 dB
C1 = 9 pF
C2 = 15 pF
L1 = 7 turns (diameter = 5.5 mm, wire diameter = 0.5 mm)
l1 = semi rigid cable (RIM): 5 cm long
(semi rigid cable (RIM); 33 dB/100 m; 50 Ω; 96 pF/m).
(b) For fRF = 150 MHz:
mixer A frequency response measured = 150.3 MHz, loss = 1.3 dB
image suppression = 13 dB
C3 = 5 pF
C4 = 25 pF
l2 = semi rigid cable (RIM): 30 cm long
l3 = semi rigid cable (RIM): 5 cm long
(semi rigid cable (RIM); 33 dB/100 m; 50 Ω; 96 pF/m).
Fig.5 Input circuit for optimum noise figure in band A.
1996 Dec 02
11
11 Page |
Páginas | Total 28 Páginas | |
PDF Descargar | [ Datasheet TDA5637BT.PDF ] |
Número de pieza | Descripción | Fabricantes |
TDA5637B | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners | NXP Semiconductors |
TDA5637BM | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners | NXP Semiconductors |
TDA5637BT | 9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners | NXP Semiconductors |
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