MC44BC374EJB Freescale Semiconductor, MC44BC374EJB Datasheet - Page 12

• Manufacturer Part Number: MC44BC374EJB
• Description: IC MODULATOR ANT BOOSTER 24TSSOP
• Manufacturer: Freescale Semiconductor
• Type: Modulatorr

Specifications of MC44BC374EJB

• Applications: Set-Top Boxes
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Antenna Booster/Splitter Characteristics
11 Antenna Booster /Splitter Characteristics
Unless otherwise stated: V
All specifications use a BALUN at ANT1 & 2 inputs, assuming 0.8dB losses MAX from 40MHz to
860MHz.
11.1 Typical Performance—Gain and Isolation
Frequency range
Gain
Gain flatness
Noise figure
Noise figure
VSWR
Intermodulation
(IMD)
Isolations
Parameter
7
6
5
4
3
2
1
-30
-40
-50
-60
-70
-80
-90
0
0
Maximum specification
Minimum specification
Gain ANT1,2 to VCRTU and TVOUT
150
Is ola tion Output to Input
Minimum specification
150
—
ANT1, 2 to VCRTU.
ANT1, 2 to TVOUT.
40 to 860MHz.
ANT1, 2 to VCRTU and TVOUT.
Modulator in standby mode.
ANT1, 2 to VCRTU and TVOUT.
Modulator in normal mode (ON).
All pins, BST bias ON.
At TVout and VCRTU pins, BST bias OFF.
At TVin pins, BST bias OFF.
Input level=90dBuV. See IMD measurement section.
F1+F2 IMD
2F1–F2, 2F2+F1, F1–F2 IMD
From TVOUT or VCR to ANT1, 2
TVOUT/VCRTU
Fre que ncy (M hz)
Fr e q u e n cy (M h z )
300
300
Figure 6. Typical Performance—Gain and Isolation
cc
Freescale Semiconductor, Inc.
450
= 5.0 V, Ambient Temperature = 25
450
For More Information On This Product,
600
600
MC44BC373/374 Technical Data
Test Conditions
Go to: www.freescale.com
Typical
Typical
750
750
900
900
-10
-20
-30
-40
-50
-60
-70
0
o
Is o latio n Ou tp u t to Ou tp u t
Minimum specification
C, RF inputs / outputs into 75 Ohm load.
150
–1.5
Min
5.5
6.5
Fr e q u e n cy (M h z )
40
48
30
—
—
—
—
—
300
Typ
7.5
8.5
1.5
2.5
55
60
60
45
—
450
4
4
600
+1.5
Max
10.5
860
9.5
2.5
47
50
—
—
—
3
TV OUT
V CRTU
Typical
750
MHz
Unit
dBc
dBc
dBc
dBc
dB
dB
dB
dB
dB
—
—
900
Type
C
B
B
C
C
C
B
B
C
C
C
C