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PDF HMC742ALP5E Data sheet ( Hoja de datos )
| Número de pieza | HMC742ALP5E | |
| Descripción | 0.5dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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HMC742ALP5E
v01.1213
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz
Typical Applications
The HMC742ALP5E is ideal for:
• Cellular/3G Infrastructure
• WiBro / WiMAX / 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
• IF & RF Applications
Functional Diagram
Features
-19.5 to 12 dB Gain Control in 0.5 dB Steps
Power-up State Selection
High Output IP3: +39 dBm
TTL/CMOS Compatible
Serial, Parallel, or latched Parallel Control
±0.25 dB Typical Gain Step Error
Single +5V Supply
32 Lead 5x5 mm SMT Package: 25 mm2
General Description
The HMC742ALP5E is a digitally controlled variable
gain amplifier which operates from 70 MHz to 4
GHz, and can be programmed to provide from -19.5
dB attenuation, to 12 dB of gain, in 0.5 dB steps.
The HMC742ALP5E delivers noise figure of 4 dB
in its maximum gain state, with output IP3 of up to
+39 dBm in any state. The dual mode gain control
interface accepts either a three-wire serial input or a 6
bit parallel word. The HMC742ALP5E also features a
user selectable power up state and a serial output for
cascading other serially controlled Hittite components.
The HMC742ALP5E is housed in an RoHS compliant
5x5 mm QFN leadless package, and requires minimal
external components.
Electrical Specifications, TA = +25° C, 50 Ohm System Vdd = +5V, Vs= +5V
Parameter
Min. Typ. Max.
70 - 1000
Min.
Typ.
500 - 4000
Max.
Units
MHz
Gain (Maximum Gain State)
12 10 dB
Gain Control Range
31.5 31.5 dB
Input Return Loss
15 12 dB
Output Return Loss
14 10 dB
Gain Accuracy: (Referenced to Maximum Gain State)
All Gain States
70 MHz - 350 MHz
± (0.3 + 5% of relative gain setting) Max.
± (0.3 + 4% of relative gain setting) Max.
350 MHz - 1000 MHz
± (0.3 + 6% of relative gain setting) Max.
dB
Output Power for 1 dB Compression
21.5
22 dBm
Output Third Order Intercept Point
(Two-Tone Output Power= 12 dBm Each Tone)
39
39 dBm
Noise Figure (Max Gain State)
4 4.5 dB
Switching Characteristics tRISE, tFall (10 / 90% RF)
tON, tOFF (Latch Enable to 10 / 90% RF)
70
140
70 ns
140 ns
Supply Current (Amplifier) Is
Supply Current (Controller) Idd
130 150 175 130 150 175 mA
1.0 2.5 3.5 1.0 2.5 3.5 mA
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1 page  
HMC742ALP5E
v01.1213
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz
Maximum Gain vs. Frequency
16
0.5 to 4.0 GHz Tuning
Relative Gain Setting
(Referenced to Maximum Gain State)
0
12 -10
8 dB
8 -20
16 dB
31.5 dB
4 -30
0
0.5
1 1.5 2 2.5 3
FREQUENCY (GHz)
+25 C
+85 C
3.5 4
-40 C
-40
0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Input Return Loss
0
-10
IL
-20
-30
4 dB
16, 31.5 dB
-40
0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Output Return Loss
0
31.5 dB
-10
-20
-30
-40
0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
Bit Error vs. Frequency
4
3
2
31.5 dB
1
8 dB
16 dB
0
-1
-2
0.5 1 1.5 2 2.5 3 3.5
FREQUENCY (GHz)
4
Bit Error vs. Relative Gain
3
2
1.0, 2.0 GHz
1
0
-1
0
3.0, 4.0 GHz
4 8 12 16 20 24 28 32
RELATIVE GAIN STATE (dB)
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4
5 Page 
Application Circuit
HMC742ALP5E
v01.1213
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 70 MHz - 4 GHz
Components for Selected Frequencies
Tuned Frequency
70 - 1000 MHz
500 - 4000 MHz
Evaluation PCB
124694-HMC742ALP5 [1] 124695-HMC742ALP5 1]
C1 ,C6, C8 (pF)
10000
330
C3, C4 (pF)
1000
100
C2, C5 (pF)
1000
N/A
C9 (pF)
1000
100
C12 (pF)
5600
1000
L1 (nH)
560 47
[1] Reference this number when ordering complete evaluation PCB
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10
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HMC742ALP5E.PDF ] | |
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