HMC708LP5E データシートの表示（PDF） - Hittite Microwave
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HMC708LP5E Datasheet PDF : 12 Pages
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HMC708LP5 / 708LP5E
v03.0409
0.5 dB LSB 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz
Typical Applications
The HMC708LP5(E) is ideal for:
• Cellular Infrastructure
• WiBro, WiMAX and LTE/ 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
12
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.
12 - 1
Electrical Specifications, TA = +25° C
Rbias = 270 Ohms for Vdd = +5V, Rbias = 10 kOhms for Vdd = +3V, Vdd = Vdd1 = Vdd2 = Vdd3
Parameter
Min.
Typ.
Max.
Vdd = +3V
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
-
tRISE, tFALL (50% CTL to 90% RF)
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: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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