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PDF HMC708LP5E Data sheet ( Hoja de datos )
| Número de pieza | HMC708LP5E | |
| Descripción | 6-Bit Digital Variable Gain Amplifier | |
| Fabricantes | Hittite Microwave Corporation | |
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HMC708LP5 / 708LP5E
v02.0209
0.5 dB LSB 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz
www.datashTeeytp4ui.ccoaml Applications
The HMC708LP5(E) is ideal for:
• Cellular Infrastructure
• WiBro, WiMAX and LTE/ 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
13
Functional Diagram
Features
-2.5 to +29 dB Gain Control in 0.5 dB Steps
Power-up State Selection
High Output IP3: +37 dBm
Low Noise Figure: 1 dB
TTL/CMOS Compatible
Serial, Parallel, or Latched Parallel Control
±0.25 dB Typical Step Error
Single +3V and +5V Supply
32 Lead 5x5mm SMT Package: 25mm2
General Description
The HMC708LP5(E) is a digitally controlled variable
gain amplifier which operates from 1700 MHz and
2200 GHz, and can be programmed to provide
between 2.5 dB attenuation and +29 dB of gain, in
0.5 dB steps. The HMC708LP5(E) delivers noise
figure of 1 dB in its maximum gain state, with output
IP3 of up to +37 dBm. The dual mode gain control
interface accepts either three wire serial input or
6 bit parallel word. The HMC708LP5(E) also features
a user selectable power up state and a serial
output for cascading other Hittite serially controlled
components. For 900 MHz applications please refer
to the HMC707LP5(E) data sheet.
13 - 96
Electrical Specifications, TA = +25° C
Rbias = 270 Ohms for Vdd = +5V, Rbias = 10k Ohms for Vdd = +3V, Vdd = Vdd1 = Vdd2 = Vdd3
Parameter
Min.
Typ.
Vdd = +3V
Max.
Frequency Range
1.7 - 2.2
Gain (Maximum Gain State)
23 27
Gain Control Range
31.5
Input Return Loss
16.5
Output Return Loss
10.5
Attenuation Accuracy: (Referenced to Maximum Gain State) ±(0.3 + 8%) of Attenuation Setting
Output Power for 1 dB Compression
13 16
Output Third Order Intercept Point
(Two-Tone Input Power= -10 dBm Each Tone)
32.5
Noise Figure
1.1
Switching Characteristics
tRISE, tFALL (50% CTL to 90% RF)
tRISE
tFALL
-
-
Current Amplifier 1
30 47 65
Current Amplifier 2
130 155 190
[1] Two-tone output power @ -10 dBm [2] Two-tone output power @ -5 dBm
Min. Typ. Max.
Vdd = +5V
1.7 - 2.2
25 30
31.5
20.5
13.5
±(0.2 + 5%) of Attenuation Setting
18 21.5
37.5
1
140
270
80 97 135
130 155 190
Units
GHz
dB
dB
dB
dB
dB
dBm
dBm
dB
ns
ns
mA
mA
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
1 page  
HMC708LP5 / 708LP5E
v02.0209
0.5 dB LSB 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz
www.datasheet4u.com
Gain & Return Loss [1] [2]
Option 1 [1] : Amp1 + 6-Bit DAT only
Noise Figure vs. Frequency [1] [2]
30
20
10
0
-10
S22
-20
S21
Vdd=3V
Vdd=5V
S11
2
1.6
1.2
0.8
0.4
Vdd=3V
Vdd=5V
13
-30
1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5
FREQUENCY (GHz)
0
1.5 1.7 1.9 2.1 2.3
FREQUENCY (GHz)
2.5
Output IP3 vs. Attenuation @ 1900 MHz [1]
30
Power Out = -20dBm
20
10
0 Vdd=3V
Vdd=5V
-10
-20
0 4 8 12 16 20 24 28 32
ATTENUATION STATE (dB)
13 - 100
[1] See Application Circuit [2] Maximum gain state with digital attenuator set to minimum attenuation
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
5 Page 
www.datashEeevt4aul.ucoamtion PCB
HMC708LP5 / 708LP5E
v02.0209
0.5 dB LSB 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz
13
13 - 106
List of Materials for Evaluation PCB 120493 [1]
Item
Description
J1 - J4
PCB Mount SMA Connector
J5 2mm Vertical Molex 28pos Connector
C1, C8, C10, C12, C18 220 pF Capacitor, 0402 Pkg.
C3 10 nF Capacitor, 0402 Pkg.
C6, C13, C15
1000 pF Capacitor, 0603 Pkg.
C7, C14
10 nF Capacitor, 0603 Pkg.
C16 27 pF Capacitor, 0603 Pkg.
C17 4.7 uF Capacitor, 0805 Pkg.
L2 15 nH Inductor, 0402 Pkg.
L3 6.8 nH Inductor, 0603 Pkg.
L4 47 nH Inductor, 0603 Pkg.
L5 5.1 nH Inductor, 0402
R1 (Rbias)
270 Ohm Resistor, 0402 Pkg.
R2 - R10
39K Ohm Resistor, 0402 Pkg.
Item
Description
R12, R13
0 Ohm Resistor, 0402 Pkg.
U1
PCB [2]
HMC708LP5(E) Variable Gain Amplifier
120491 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Arlon 25FR or Roger 4350
The circuit board used in the final application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be con-
nected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation circuit board shown is available from
Hittite upon request.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet HMC708LP5E.PDF ] | |
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