mc44bs374t1a Freescale Semiconductor, Inc, mc44bs374t1a Datasheet - Page 10

• Manufacturer Part Number: mc44bs374t1a
• Description: Pll Tuned Uhf And Vhf Audio/video High Integration Modulator
• Manufacturer: Freescale Semiconductor, Inc

MC44BS374T1A High Frequency Characteristics
11 MC44BS374T1A High Frequency Characteristics
Unless otherwise stated: V
RF inputs / outputs into 75 Ohm load.
TVOUT output level
UHF oscillator frequency
VHF range
TVOUT output attenuation
Sound subcarrier harmonics
(Fp n Fs)
Second harmonic of chroma
subcarrier
Chroma / Sound intermodulation:
Fp ( Fsnd - Fchr )
Fo (picture carrier) harmonics
Out band (picture carrier)
spurious
In band spurious (Fo @ 5 MHz)
Note: 1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.
Note: 2: See “Characterization Measurement Conditions” on page 15.
Parameter
Specifications only valid for envelope demodulation.
cc
Freescale Semiconductor, Inc.
=5.0 V, Ambient Temperture=25
MC44BS374T1/374T1A Advance Information
For More Information On This Product,
Table 3. High Frequency Characteristics
Output signal from modulator section
See Figure 3. See Note 2
From UHF oscillator internally divided
During transient output inhibit, or
when ATT bit is set to 1. See
Figure 3.
See Note 2
Reference picture carrier. See Note 2
Using red EBU bar. See Note 2
Using red EBU bar.See Note 2
2nd harmonic: CH21
3rd harmonic: CH21
Other channels: See Figure 3.
See NOTE 1. See Note 2
1 / 2 Fo - 1 / 4 Fo - 3 / 2 Fo - 3 / 4 Fo
From 40 MHz to 1 GHz. See Note 2
No video sound modulation.See Note
2
Go to: www.freescale.com
Test Conditions
NOTE:
o
C, Video Input 1V
Min
460
79
45
65
50
45
65
65
-
-
-
Typ
82
75
63
70
82
38
58
75
-
-
-
p-p
, 10-step grayscale.
Max
880
460
85
50
70
10
-
-
-
-
-
dB V
dB V
dB V
MHz
MHz
Unit
dBc
dBc
dBc
dBc
dBc
Type
B
A
B
B
C
C
C
C
C
C