DATA SHEET
BIPOLAR DIGITAL INTEGRATED CIRCUIT
µ
PB1514TU
16 GHz INPUT DIVIDE BY 8 PRESCALER IC
FOR SATELLITE COMMUNICATIONS
DESCRIPTION
The
µ
PB1514TU is a silicon germanium (SiGe) monolithic integrated circuit designed as a divide by 8 prescaler IC
for satellite communications and point-to-point/multi-point radios.
The package is 8-pin lead-less minimold suitable for surface mount.
This IC is manufactured using our 50 GHz f
max
UHS2 (Ultra High Speed Process) SiGe bipolar process.
FEATURES
• Operating frequency
• Low current consumption
• Supply voltage
• Division ratio
: f
in
= 8 to 16 GHz
: I
CC
= 50 mA @ V
CC
= 5.0 V
: V
CC
= 4.5 to 5.5 V
:8
• High-density surface mounting : 8-pin lead-less minimold
APPLICATIONS
• Point-to-point/Multi-point radios
• VSAT radios
ORDERING INFORMATION
Part Number
Order Number
Package
8-pin lead-less minimold
(Pb-Free)
Note
Marking
1514
Supplying Form
•
8 mm wide embossed taping
•
Pin 5, 6, 7, 8 indicates pull-out direction of tape
•
Qty 5 kpcs/reel
µ
PB1514TU-E2
µ
PB1514TU-E2-A
Note
With regards to terminal solder (the solder contains lead) plated products (conventionally plated), contact
your nearby sales office.
Remark
To order evaluation samples, contact your nearby sales office.
Part number for sample order:
µ
PB1514TU
Caution Observe precautions when handling because these devices are sensitive to electrostatic discharge.
The information in this document is subject to change without notice. Before using this document, please confirm that
this is the latest version.
Not all devices/types available in every country. Please check with local NEC Compound Semiconductor Devices
representative for availability and additional information.
Document No. PU10541EJ02V0DS (2nd edition)
Date Published March 2005 CP(K)
Printed in Japan
The mark
shows major revised points.
NEC Compound Semiconductor Devices, Ltd. 2004, 2005
µ
PB1514TU
INTERNAL BLOCK DIAGRAM AND PIN CONNECTIONS
Pin No.
Pin Name
V
CC
1
IN
GND
IN
OUT
GND
OUT
V
CC
2
(Top View)
1
2
3
4
1/2
1/2
1/2
Regulator
8
7
1
2
3
4
6
5
5
6
7
8
SYSTEM APPLICATION EXAMPLE
LNA
Down-Converter
µ
PB1514TU
16 GHz Prescaler
1/8
Diplexer
PLL
PA
Up-Converter
2
Data Sheet PU10541EJ02V0DS
µ
PB1514TU
PIN EXPLANATION
Pin No.
Pin Name
Applied Voltage
(V)
1
V
CC
1
5
Power supply pin.
This pin must be equipped with bypass capacitor (example : 100 pF and 10 nF) to
minimize ground impedance.
2
IN
−
Signal input pin.
This pin should be coupled to signal source with capasitor (example : 100 pF) for
DC cut.
3
GND
0
Ground pin.
Ground pattern on the board should be formed as widely as possible to minimize
ground impedance.
4
IN
−
Signal input bypass pin.
This pin must be equipped with bypass capacitor (example : 100 pF) to minimize
ground impedance.
5
OUT
−
Divided frequency output pin.
This pin shoud be coupled to load device with capasitor (example : 100 pF) for DC
cut.
6
GND
0
Ground pin.
Ground pattern on the board should be formed as widely as possible to minimize
ground impedance.
7
OUT
−
Divided frequency output pin.
This pin should be coupled to load device with capasitor (example : 100 pF) for DC
cut.
8
V
CC
2
5
Power supply pin.
This pin must be equipped with bypass capacitor (example : 100 pF and 10 nF) to
minimize ground impedance.
Function and Applications
Data Sheet PU10541EJ02V0DS
3
µ
PB1514TU
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
Total Power Dissipation
Thermal Resistance
(junction to ground paddle)
Operating Ambient Temperature
Storage Temperature
T
A
T
stg
−40
to +85
−55
to +150
°C
°C
Symbol
V
CC
P
D
R
th(j-c)
Test Conditions
T
A
= +25°C
T
A
= +85°C
T
A
= +85°C
Note
Note
Ratings
6
867
75
Unit
V
mW
°C/W
Note
Mounted on 33
×
21
×
0.4 mm polyimide PCB, with copper patterning on both sides.
RECOMMENDED OPERATING RANGE
Parameter
Supply Voltage
Operating Ambient Temperature
Symbol
V
CC
T
A
MIN.
4.5
−40
TYP.
5.0
+25
MAX.
5.5
+85
Unit
V
°C
ELECTRICAL CHARACTERISTICS (V
CC
= 4.5 to 5.5 V, T
A
=
−40
to +85°C, Z
S
= Z
L
= 50
Ω)
Parameter
Circuit Current
Input Sensitivity
Symbol
I
CC
P
in
1
P
in
2
Output Power
P
out
No Signals
f
in
= 8 to 13.5 GHz
f
in
= 13.5 to 16 GHz
f
in
= 8 to 16 GHz, P
in
= 0 dBm
Test Conditions
MIN.
−
−2
−5
−11
TYP.
50
−
−
−5
MAX.
75
+6
+6
+2
Unit
mA
dBm
dBm
dBm
4
Data Sheet PU10541EJ02V0DS
µ
PB1514TU
TYPICAL CHARACTERISTICS (T
A
= +25°C, unless otherwise specified)
INPUT SENSITIVITY vs. FREQUENCY
15
10
Input Sensitivity P
in
(dBm)
OUTPUT POWER vs. FREQUENCY
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
5
P
in
= 0 dBm
0
–5
–10
–15
–20
–25
–30
–35
5
V
CC
= 4.5 V
V
CC
= 5.0 V
V
CC
= 5.5 V
Guaranteed
operating
range
Output Power P
out
(dBm)
5
Guaranteed
operating range
10
15
20
10
15
V
CC
= 4.5 V
V
CC
= 5.0 V
V
CC
= 5.5 V
20
Frequency f (GHz)
Frequency f (GHz)
INPUT SENSITIVITY vs. FREQUENCY
15
10
Input Sensitivity P
in
(dBm)
OUTPUT POWER vs. FREQUENCY
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
V
CC
= 5.0 V
P
in
= 0 dBm
Guaranteed
operating range
0
–5
–10
–15
–20
–25
–30
–35
5
V
CC
= 5.0 V
T
A
= –40˚C
T
A
= +25˚C
T
A
= +85˚C
10
Guaranteed
operating
range
Output Power P
out
(dBm)
5
15
20
5
10
15
T
A
= –40˚C
T
A
= +25˚C
T
A
= +85˚C
20
Frequency f (GHz)
Frequency f (GHz)
CIRCUIT CURRENT vs. SUPPLY VOLTAGE
55
50
Circuit Current I
CC
(mA)
45
40
35
30
25
20
15
10
5
0
1
2
3
4
T
A
= –40˚C
T
A
= +25˚C
T
A
= +85˚C
5
6
Supply Voltage V
CC
(V)
Remark
The graphs indicate nominal characteristics.
Data Sheet PU10541EJ02V0DS
5
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