HIGH ISOLATION
SILICON MMIC IF AMPLIFIER
FEATURES
• HIGH ISOLATION
• LOW INPUT/OUTPUT RETURN LOSS
• LOW INTERMODULATION DISTORTION
Gain, G
S
(dB)
20
GAIN
30
V
CC
= 12V
V
CC
= 10 V
V
CC
= 8 V
UPC1668C
UPC1668C
ISOLATION AND GAIN
vs. FREQUENCY
-30
(ISO)
-40
10
-50
DESCRIPTION
The UPC1668C is a bipolar analog integrated circuit which
functions as a high isolation IF amplifier. The device has been
specifically designed as an IF amplifier for video communica-
tions. The device is available in a plastic DIP package.
NEC's stringent quality assurance and test procedures en-
sure the highest reliability and performance.
0
10
50
100
500
1000
-60
Frequency, f (MHz)
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C, Z
O
= 75
Ω,
V
CC
= 10 V, f = 70 MHz)
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
I
CC
G
S
P
1dB
NF
RL
IN
RL
OUT
ISOL
IM
3
f
OP
PARAMETERS AND CONDITIONS
Circuit Current
Small Signal Gain
Output Power at 1 dB Gain Compression
Noise Figure
Input Return Loss
Output Return Loss
Isolation
3rd Order Intermodulation, P
O1
= P
O2
= 0 dBm
Operating Frequency
UNITS
mA
dB
dBm
dB
dB
dB
dB
dBc
MHz
10
16
20
45
MIN
35
12.5
UPC1668C
C08
TYP
48
14.5
13
6.5
26
30
55
50
150
MAX
60
16.0
California Eastern Laboratories
Isolation, (dB)
UPC1668C
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25°C)
SYMBOLS
V
CC
P
T
P
IN
T
OP
T
STG
PARAMETERS
Power Supply Voltage
Total Power Dissipation
2
Input Power
Operating Temperature
Storage Temperature
UNITS
V
mW
dBm
°C
°C
RATINGS
12
750
-45 to +85
-55 to +150
Input Return Loss, (dB)
Output Return Loss, (dB)
+15
0
V
CC
= 10 V
UPC1668C
INPUT RETURN LOSS, OUTPUT
RETURN LOSS vs. FREQUENCY
-10
Notes:
1. Operation in excess of any one of these parameters may result in
permanent damage.
2. At T
A
= +85°C.
-20
|S
11
|
-30
|S
22
|
-40
10
50
100
500
1000
Frequency, f (MHz)
TYPICAL PERFORMANCE CURVES
T
A
= 25°C)
CIRCUIT CURRENT, INPUT
TERMINAL VOLTAGE, OUTPUT
TERMINAL VOLTAGE, BYPASS TERMINAL
VOLTAGE vs. SUPPLY VOLTAGE
I
CC
V
IN
V
OUT
V
BYP
NOISE FIGURE vs. FREQUENCY
Input Terminal Voltage, V
IN
,
Output Terminal Voltage, V
OUT
,
Bypass Terminal Voltage, V
BYP
(V)
15
V
CC
= 12 V
V
CC
= 10 V
V
CC
= 8 V
10
70
60
7
6
5
Circuit Current, I
CC
(mA)
50
40
30
4
3
Noise Figure, NF (dB)
5
20
2
10
0
0
1
0
10
50
100
500
1000
Supply Voltage, V
CC
(V)
5
10
15
Frequency, f (MHz)
OUTPUT POWER vs. INPUT POWER
20
V
CC
= 10 V
THIRD ORDER INTERMODULATION
vs. OUTPUT POWER
0
10
3rd Order Intermodulation, IM
3
(dBc)
Output Power, P
OUT
(dBm)
V
CC
= 12 V
V
CC
= 10 V
V
CC
= 8 V
-20
0
f = 70 MHz
f = 150 MHz
f = 200 MHz
-10
-40
f
1
= 70 MHz
f
2
= 72 MHz
∆f
= 2 MHz
-60
-10
0
10
15
-20
-10
0
10
Input Power, P
IN
(dBm)
SSB Output Power, P
OUT
(dBm)
UPC1668C
SCHEMATIC DIAGRAM
UPC1668C
TEST CIRCUIT DIAGRAM
(70 MHz Recommended Circuit)
UPC1668C
V
CC
8
10 000 pF
38.3
Ω
1
5 pF
75
Ω
8
5
4
2, 3, 6, 7
10 000 pF
3 pF
VCC
10 000 pF
68.1
Ω
10 000 pF
75
Ω
R5
R
6
IN
1
TR
1
TR
2
R
1
R
2
R
7
TR
3
RF
5
TR
4
R
3
R
4
OUT
4
BYPASS
2
3
6
7
GND
OUTLINE DIMENSIONS
(Units in mm)
UPC1668C
PACKAGE OUTLINE C08
8
7
6
5
NEC JAPAN
C1668C
1
3
2
4
10.16 MAX
0.9 MIN
4.31 MAX
5.08 MAX
0.51 MIN
3.2 ± 0.3 1.4 MIN
2.54
0.50
1.27
Lot Code
7.62
6.4
+0.10
0.25 -0.05
0 ~15˚
LEAD
CONNECTIONS
1. Input
2, 3, 6, 7. GND
4. Bypass
5. Output
8. V
CC
EXCLUSIVE AGENT FOR
NEC Corporation
RF & MICROWAVE SEMICONDUCTOR PRODUCTS - U.S. & CANADA
CALIFORNIA EASTERN LABORATORIES, INC
·
Headquarters
·
4590 Patrick Henry Drive
·
Santa Clara, CA 95054-1817
·
(408) 988-3500
·
Telex 34-6393/FAX (408) 988-0279
DATA SUBJECT TO CHANGE WITHOUT NOTICE
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
