NEC's 1.0 GHz BANDWIDTH
SILICON MMIC AMPLIFIER
FEATURES
• FLAT GAIN:
∆G
P
=
±1
dB TYP from 100 to 700 MHz
• 1000 MHz FREQUENCY RESPONSE AT 3 dB DOWN
• 21 dB POWER GAIN AT 500 MHz
• SINGLE 5 VOLT SUPPLY
• NO EXTERNAL BIAS COMPONENTS REQUIRED
• LOW COST PACKAGE
• 50
Ω
GAIN BLOCK
• AVAILABLE IN TAPE AND REEL
24
UPC1688G
NOISE FIGURE AND GAIN
vs. FREQUENCY
GP
NT
IN
0
10
DESCRIPTION
NEC's UPC1688G is a silicon monolithic integrated circuit
specifically designed as a flat gain, wide band amplifier cover-
ing the HF through the UHF band. It is particularly suited for low
cost high performance amplifier applications.
NEC's stringent quality assurance and test procedures ensure
the highest reliability and performance.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C, V
CC
= 5 V, f = 500 MHz, Zs = Z
L
= 50
Ω)
PART NUMBER
PACKAGE OUTLINE
UPC1688G
39
UNITS
mA
dB
dBm
dB
MHz
dB
dB
dB
900
23
10
10
MIN
14
18
2
TYP
19
21
4
4
1100
27
13
13
5.5
MAX
24
23
DI
S
SYMBOLS
I
CC
G
P
Circuit Current
Power Gain
P
SAT
NF
BW
Saturated Output Power, P
IN
= -5 dBm
Noise Figure
Isolation
Bandwidth at 3 dB down below the gain at 100 MHz
Input Return Loss
I
SOL
RL
IN
RL
OUT
Output Return Loss
CO
PARAMETERS AND CONDITIONS
UE
20
Noise Figure, NF (dB)
Gain, G
S
(dB)
16
V
CC
= 5.5 V
V
CC
= 5.0 V
V
CC
=4.5 V
12
8
V
CC
= 5.5 V
V
CC
= 5.0 V
V
CC
=4.5 V
4
Frequency, f (MHz)
CaliforniaEasternLaboratories
D
NF
50
100
500 1000 2000
UPC1688G
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25°C)
SYMBOLS
V
CC
P
IN
P
T
T
OP
T
STG
PARAMETERS
Supply Voltage
Input Power
Total Power Dissipation
2
Operating Temperature
Storage Temperature
UNITS
V
dBm
mW
°C
°C
RATINGS
6
+10
200
-40 to +85
-55 to +150
INPUT
OUTPUT
V
CC
EQUIVALENT CIRCUIT
UE
SUPPLY CURRENT vs.
TEMPERATURE
V
CC
= 5 V
32
28
Notes:
1. Operation in excess of any one of these parameters may result in
permanent damage.
2. At T
A
= +85°C.
TYPICAL PERFORMANCE CURVES
(T
A
= 25°C)
SUPPLY CURRENT vs. VOLTAGE
32
28
NO INPUT
SIGNAL
24
20
16
12
8
4
0
CO
NT
IN
Supply Current, I
CC
(mA)
24
20
16
12
8
4
0
5
6
Supply Current, I
CC
(mA)
0
1
2
3
4
-60
-30
0
Supply Voltage, V
CC
(V)
Temperature, T
A
(°C)
GAIN vs. FREQUENCY
AND TEMPERATURE
OUTPUT RETURN LOSS
vs. FREQUENCY AND VOLTAGE
10
24
DI
S
Gain, G
S
(dB)
16
T
A
= -55˚ C
T
A
= -20˚ C
T
A
= +25˚ C
T
A
= +85˚ C
T
A
= +125˚ C
Output Return Loss, (dB)
20
0
-10
V
CC
=5.5 V
-20
12
8
-30
4
-40
0
-50
500
1000 2000
10
50
100
10
50
Frequency, f (MHz)
Frequency, f (MHz)
D
GND
30
60
90
120
150
V
CC
= 5.0 V
V
CC
= 4.5 V
100
500
1000
2000
UPC1688G
TYPICAL PERFORMANCE CURVES
(T
A
= 25°C)
SATURATED POWER vs.
FREQUENCY AND VOLTAGE
10
THIRD ORDER INTERMODULATION
vs. INPUT POWER AND VOLTAGE
Third Order Intermodulation, IM
3
(dBc)
0
f1 = 500 MHz
f2 = 502 MHz
-10
-20
P
IN
= -5 dBm
Saturated Power, P
SAT
(dBm)
8
6
-30
-40
-50
4
V
CC
= 5.5 V
V
CC
= 5.0 V
V
CC
= 4.5 V
2
0
-2
10
50
100
500
1000 2000
UE
-60
-70
V
CC
= 5.5 V
V
CC
= 5.0 V
V
CC
= 4.5 V
-20
-15
-10
-5
Frequency, f (MHz)
INPUT RETURN LOSS vs.
FREQUENCY AND VOLTAGE
10
SSB Output Power, P
OUT
(dBm)
NT
IN
10
V
CC
=5.5 V
0
ISOLATION vs. FREQUENCY
V
CC
= 5 V
0
Input Return Loss, (dB)
V
CC
= 5.0 V
-10
Isolation, (dB)
-10
-20
-20
-30
-30
V
CC
= 4.5 V
-40
-50
10
50
100
-40
-50
CO
500
1000
2000
10
50
Frequency, f (MHz)
Frequency, f (MHz)
OUTPUT POWER vs. INPUT POWER
AND FREQUENCY
f = 100 MHz
V
CC
= 5.0 V
10
Output Power, P
OUT
(dBm)
5
DI
S
0
f = 1000 MHz
-5
f = 500 MHz
-10
-15
-20
-30
-25
-20
-15
-10
-5
0
Input Power, P
IN
(dBm)
D
0
100
500
1000 2000
UPC1688G
TYPICAL SCATTERING PARAMETERS
(T
A
= 25°C)
UPC1688G:
V
CC
=5.0 V, I
CC
=19 mA
FREQUENCY
GHz
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.10
MAG
0.102
0.161
0.237
0.292
0.344
0.353
0.348
0.301
0.217
0.113
0.081
0.139
0.219
0.278
0.327
0.366
0.399
0.436
0.452
0.465
0.486
S
11
ANG
-85.7
-102.3
-110.4
-116.9
-123.9
-135.4
-152.8
-165.8
-175.0
-169.8
-116.2
-87.2
-82.3
-83.6
-86.8
-89.6
-91.6
-94.8
-96.7
-99.0
-99.3
MAG
11.040
11.632
12.054
12.328
12.515
12.578
12.466
11.899
10.564
8.983
7.466
6.170
5.177
4.330
3.684
3.161
2.742
2.423
2.178
1.991
1.814
S
21
ANG
-13.7
-31.0
-48.4
-62.8
-80.8
-102.2
-124.5
-148.8
-172.3
166.8
147.5
130.7
117.2
104.5
93.2
82.5
73.3
64.1
56.3
47.7
39.4
MAG
0.042
0.043
0.044
0.046
0.048
0.050
0.053
0.055
0.057
0.056
0.056
0.053
0.053
0.053
0.054
0.055
0.055
0.056
0.057
0.058
0.059
S
12
ANG
3.2
-0.3
-1.1
-1.0
8.4
2.2
-1.7
-7.6
-11.6
-15.9
-18.3
-19.6
-19.6
-23.2
-24.4
-24.2
-27.2
-28.3
-29.0
-30.4
-28.4
MAG
0.073
0.089
0.100
0.111
0.136
0.153
0.172
0.192
0.222
0.270
0.318
0.350
0.374
0.385
0.390
0.387
0.380
0.371
0.352
0.339
0.319
S
22
ANG
-132.3
-148.8
-156.0
174.0
108.1
47.3
-16.6
-37.5
-60.5
-75.8
-90.6
-102.4
-112.9
-121.6
-129.1
-135.1
-141.0
-145.9
-149.8
-153.0
-155.3
1.30
1.23
1.17
1.10
1.00
0.94
0.93
0.96
1.02
1.14
1.25
1.45
1.60
1.80
1.97
2.17
2.44
2.62
2.86
3.06
3.27
k
S
21
dB
20.9
21.3
21.6
21.8
21.9
22.0
21.9
21.5
20.5
19.1
17.5
15.8
14.3
12.7
11.3
10.0
8.8
7.7
6.8
6.0
5.2
OUTLINE DIMENSIONS
(Units in mm)
UPC1688G
PACKAGE OUTLINE 39
(SOT-143)
+0.2
2.8 -0.3
+0.2
1.5 -0.1
NT
IN
PART NUMBER
UPC1688G-TI
+0.10
0.4 -0.05
(LEADS 2, 3, 4)
1.9
0.16 +0.10
-0.06
2.9
±
0.2 0.95
0.85
DI
S
+0.2
1.1 -0.1
Note:
All dimensions are typical unless otherwise specified.
Life Support Applications
These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably
be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify CEL for all damages resulting from such improper use or sale.
CO
2
3
1
4
+0.10
0.6 -0.05
0.8
PIN
CONFIGURATIONS
1. GND
2. OUTPUT
3. V
CC
4. INPUT
5˚
5˚
0 to 0.1
UE
ORDERING INFORMATION
QTY
D
3000/REEL
07/01/2004
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
C1C
Talking
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