UM9415SME3 [MICROSEMI]
Pin Diode, Silicon, SURFACE MOUNT PACKAGE-2;型号: | UM9415SME3 |
厂家: | Microsemi |
描述: | Pin Diode, Silicon, SURFACE MOUNT PACKAGE-2 开关 二极管 |
文件: | 总11页 (文件大小:424K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
KEY FEATURES
DESCRIPTION
High transmitter power
Microsemi offers a series of PIN diodes
The UM9415 will handle over 1000 W. The
extensive characterization of these PIN diodes in
antenna switch applications has resulted in
UM9401/UM9402 => 100 W
specifically designed and characterized for
solid state antenna switches in commercial
UM9415
=> 1000 W
two-way radios. Antenna switches using the guaranteed low distortion specifications under
Low harmonic distortion
Low third order distortion
High carrier lifetime
UM9401 and UM9415 series PIN diodes
provide high isolation, low loss and low
distortion characteristics formerly possible
only with electromechanical relay type
switches.
transmit and receive conditions. These diodes
also feature low forward bias resistance and high
zero bias impedance which are required for low
loss, high isolation and wide bandwidth antenna
switch performance.
Non cavity design
The UM9401 and the UM9402 diodes can
handle 100 W of transmitter power, while
Thermally matched configuration
Low capacitance at 0 V bias
Low conductance at 0 V bias
IMPORTANT: For themost current data, consultMICROSEMI’s website: http://www.microsemi.com
ABSOLUTE MAXIMUM RATINGS AT 25º C
(UNLESS OTHERWISE SPECIFIED)
Compatible with automatic insertion
equipment
Package
Condition
UM9401
UM9402
UM9415
50 V
Reverse
Voltage
Average
Power
@ Ir = 10 uA
50 V
50 V
½ in. total length to 25 OC
Contact
5.5 W
10 W
Dissipation 25 oC (Package Flange
APPLICATIONS/BENEFITS
10 W
(PA)
Temperature
Free Air
Isolated stud package available
1.5 W
2.5 W
Surface mount package available
Copyright 2005
Microsemi
Page 1
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
UM9401/UM9402
UM9415
Typ Max
Units
Parameter
Symbol Conditions
Min
Typ
Max
Min
Reverse Current
Series Resistance
Capacitance
Parallel Resistance
10
IR
RS
CT
RP
Vr = 50 V
If = 50 mA, F= 100 MHz
10
uA
Ohm
pF
Ohms
1.0
1.5
5k
1.0
4
1k
VR = 0 V, F = 100 MHZ
VR = 0 V, F = 100 MHz
Carrier Lifetime
IF = 10 mA
If = 50 mA
2.0
us
τ
Vf
R2A/A
R3A/A
R2AB/A
5.0
1.0
80
Forward Voltage
Transmit Harmonic Distortion
1.0
80
V
-dB
Pin = 50 W
f = 50 MHz, If = 50 mA
Pin = 10 W, 0 V Bias
fA = 50 MHz, fB = 51
MHz
Receive Third Order
Distortion
60
-dB
60
Rs versus If
TYPICAL
3
10
10
10
10
f = 100 MHz
2
1
0
UM9401/UM9402
UM9415
-1
10
-5
10
-4
10
-3
-2
-1
0
10
10
10
10
If (A)
Copyright 2005
Microsemi
Page 2
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
Ct versus f
TYPICAL
10
8
7
6
5
Vr = 0 V
4
3
UM9415
Vr = 50 V
2
1
Vr = 0 V
UM9401/UM9402
Vr = 50 V
10
100
1000
f (MHz)
Vf versus If
TYPICAL
0
10
-1
-2
-3
-4
-5
10
10
10
10
10
UM9415
UM9401/UM9402
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Vf (V)
Copyright 2005
Microsemi
Page 3
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
Rp versus f
TYPICAL
3
2
1
10
10
10
10
UM9401/UM9402 Vr = 50 V
UM9415 Vr = 50 V
UM9401/UM9402 Vr = 0 V
UM9415 Vr = 0 V
0
1
2
3
4
10
10
10
10
f (MHz)
Copyright 2005
Microsemi
Page 4
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
MAXIMUM TRANSMITTER POWER
UM9415
Zo = 50 Ohms, L = 1/2", SWR = INFINITE
3000
1000
If = 1 A
If = 500 mA
If = 200 mA
100
If = 100 mA
If = 50 mA
10
25
50
75
100
125
150
175
200
Lead Temperature (oC)
Copyright 2005
Microsemi
Page 5
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
MAXIMUM TRANSMITTER POWER
UM9401/UM9402
Zo = 50 Ohms, L = 1/2", SWR = INFINITE
1000
100
10
If = 200 mA
If = 100 mA
If = 50 mA
If = 20 mA
If = 10 mA
1
25
50
75
100
125
150
175
200
Lead Temperature ( oC)
Maximum Transmitter Power
Copyright 2005
Microsemi
Page 6
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
The maximum CW transmitter power, PT(max), a PIN
diode antenna switch can handle depends on the
diode resistance, RS, power dissipation, PD, antennae
SWR, σ, and the nominal impedance, ZO. The
expression is as follows:
is less than 0.3 dB. This performance is achievable
across a ±20 % bandwidth at center frequencies
ranging from 10 to 500 MHz.
Characteristic curves are shown in the data section
which gives both the maximum and typical diode
resistance, RS as a function of forward current. The
maximum power dissipation rating of the PIN diode
depends both on the length of the diode leads and the
temperature of the contacts to which the leads are
connected. A graph defining the maximum power
dissipation at various combinations of overall lead
length (L) and lead temperature (TL) is given in the
data section. From these curves and the above
equation, the power handling capability of the PIN
diode may be computed for a specific application.
Curves are also presented which show the
DC SUPPLY
ANTENNA
/4
D1
RECEIVER
TRANSMITTER
D2
DC SUPPLY
ANTENNA
L
D1
D2
TRANSMITTER
RECEIVER
maximum transmitter power that an antenna
switch using UM9401s and UM9415s can safely
handle for various forward currents and lead
temperatures. These curves are based on a typical
design condition of a ½ in. total overall lead length,
50 Ω line impedance, and a totally mismatched
antenna (σ = ∞). For the case of a perfectly matched
antenna, the maximum transmitter power can be
increased by a factor of 4.
L = ZO / 2 πfO (H)
C = 1/2 πfO ZO (F)
L
Design Information
A circuit configuration for a two-way radio antenna
switch using PIN diodes consists of a diode placed in
series with the transmitter and a shunt diode placed a
quarter wavelength from the antenna in the direction
of the receiver as shown. For low frequency
C
C
operation, the quarter wave line may be simulated by
lumped elements. Typical performance of antenna
switches using PIN diodes forward biased at 100 mA
is less than 0.2 dB insertion loss and 30 dB isolation
during transmit; at zero bias the receive insertion loss
Copyright 2005
Microsemi
Page 7
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
STYLE “UM9401B”
STYLE “UM9415B”
STYLE “UM9401SM”
STYLE “UM9415SM”
Copyright 2005
Rev. 0, 2005-09-15
Microsemi
Page 8
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
UM9401 STYLE “SM” FOOTPRINT
NOTES:
1. These dimensions will match the terminals and provide for additional solder fillets at the outboard ends
at least as wide as the terminals themselves, assuming accuracy of placement within 0.005”
2. If the mounting method chosen requires use of an adhesive separate from the solder compound, a round
(or square) spot of cement as shown should be centrally located.
UM9415 STYLE “SM” FOOTPRINT
Copyright 2005
Rev. 0, 2005-09-15
Microsemi
Page 9
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
Copyright 2005
Microsemi
Page 10
Rev. 0, 2005-09-15
UM9401 / UM9402 / UM9415
COMMERCIAL TWO-WAY RADIO
NOTES:
Copyright 2005
Microsemi
Page 11
Rev. 0, 2005-09-15
相关型号:
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