NEC UPC1668C

HIGH ISOLATION
SILICON MMIC IF AMPLIFIER
UPC1668C
UPC1668C
ISOLATION AND GAIN
vs. FREQUENCY
FEATURES
• HIGH ISOLATION
30
• LOW INPUT/OUTPUT RETURN LOSS
VCC = 12V
VCC = 10 V
VCC = 8 V
• LOW INTERMODULATION DISTORTION
GAIN
(ISO)
-40
10
DESCRIPTION
Isolation, (dB)
Gain, GS (dB)
-30
20
-50
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 communications. The device is available in a plastic DIP package.
-60
0
10
50
100
500
1000
Frequency, f (MHz)
NEC's stringent quality assurance and test procedures ensure the highest reliability and performance.
ELECTRICAL CHARACTERISTICS (TA = 25°C, ZO = 75 Ω, VCC = 10 V, f = 70 MHz)
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
PARAMETERS AND CONDITIONS
UPC1668C
C08
UNITS
MIN
TYP
MAX
ICC
Circuit Current
mA
35
48
60
GS
Small Signal Gain
dB
12.5
14.5
16.0
P1dB
NF
RLIN
Output Power at 1 dB Gain Compression
Noise Figure
dBm
13
dB
6.5
Input Return Loss
dB
16
26
RLOUT
Output Return Loss
dB
20
30
ISOL
Isolation
dB
45
55
IM3
3rd Order Intermodulation, PO1 = PO2 = 0 dBm
dBc
fOP
Operating Frequency
MHz
50
10
150
California Eastern Laboratories
UPC1668C
ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C)
VCC
PARAMETERS
UNITS
Power Supply Voltage
RATINGS
V
12
PT
Total Power Dissipation2
mW
750
VCC = 10 V
PIN
Input Power
dBm
+15
TOP
Operating Temperature
°C
-45 to +85
TSTG
Storage Temperature
°C
-55 to +150
Notes:
1. Operation in excess of any one of these parameters may result in
permanent damage.
2. At TA = +85°C.
Input Return Loss, (dB)
Output Return Loss, (dB)
SYMBOLS
UPC1668C
INPUT RETURN LOSS, OUTPUT
RETURN LOSS vs. FREQUENCY
0
-10
|S11|
-20
-30
|S22|
-40
10
50
100
500
1000
Frequency, f (MHz)
TYPICAL PERFORMANCE CURVES TA = 25°C)
CIRCUIT CURRENT, INPUT
TERMINAL VOLTAGE, OUTPUT
TERMINAL VOLTAGE, BYPASS TERMINAL
VOLTAGE vs. SUPPLY VOLTAGE
Circuit Current, ICC (mA)
6
50
5
40
4
30
3
20
2
10
1
0
0
15
Noise Figure, NF (dB)
ICC
VIN
VOUT
VBYP
60
NOISE FIGURE vs. FREQUENCY
Input Terminal Voltage, VIN,
Output Terminal Voltage, VOUT,
Bypass Terminal Voltage, VBYP (V)
7
70
VCC = 12 V
VCC = 10 V
VCC = 8 V
10
5
10
0
5
10
Supply Voltage, VCC (V)
15
100
500
1000
THIRD ORDER INTERMODULATION
vs. OUTPUT POWER
OUTPUT POWER vs. INPUT POWER
20
3rd Order Intermodulation, IM3 (dBc)
0
VCC = 10 V
Output Power, POUT (dBm)
50
Frequency, f (MHz)
10
0
f = 70 MHz
f = 150 MHz
f = 200 MHz
VCC = 12 V
VCC = 10 V
VCC = 8 V
-20
-40
f1 = 70 MHz
f2 = 72 MHz
∆f = 2 MHz
-10
-60
-20
-10
0
Input Power, PIN (dBm)
10
-10
0
10
SSB Output Power, POUT (dBm)
15
UPC1668C
SCHEMATIC DIAGRAM
TEST CIRCUIT DIAGRAM (70 MHz Recommended Circuit)
UPC1668C
UPC1668C
VCC
VCC
8
10 000 pF
10 000 pF
R5
1
TR1 TR2
3 pF
10 000 pF
2, 3, 6, 7
5
75 Ω
4
5 pF
RF
10 000 pF
5
1
TR3
OUT
TR4
R1 R2
R3
4
68.1 Ω
8
75 Ω
R7
R6
IN
38.3 Ω
2
BYPASS
R4
6
3
7
GND
OUTLINE DIMENSIONS (Units in mm)
UPC1668C
PACKAGE OUTLINE C08
8
7
6
5
NEC JAPAN
C1668C
1
Lot Code
3
2
4
10.16 MAX
7.62
0.9 MIN
6.4
4.31 MAX
5.08 MAX
0.51 MIN
3.2 ± 0.3 1.4 MIN
LEAD
CONNECTIONS
1. Input
2, 3, 6, 7. GND
4. Bypass
5. Output
8. VCC
2.54
0.50
+0.10
0.25 -0.05
1.27
0 ~15˚
EXCLUSIVE AGENT FOR NEC Corporation RF & MICROWAVE SEMICONDUCTOR PRODUCTS - U.S. & CANADA
CALIFORNIA EASTERN LABORATORIES, INC
·
DATA SUBJECT TO CHANGE WITHOUT NOTICE
Headquarters
·
4590 Patrick Henry Drive
·
Santa Clara, CA 95054-1817
·
(408) 988-3500
·
Telex 34-6393/FAX (408) 988-0279