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HMC743LP6C
/
743LP6CE
v05.1011
Designer’s Kit
Available
0.5 dB LSB GaAs MMIC DUAL 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, DC - 4 GHz
Features
-45 to +18 dB Gain Control in 0.5 dB Steps
Power-up State Selection
High Output IP3: +33 dBm
TTL/CMOS Compatible Serial Control
±0.25 dB Typical Gain Step Error
Single +5V Supply
40 Lead 6x6 mm SMT Package: 36 mm
2
Typical Applications
The HMC743LP6C(E) is ideal for:
• Cellular/3G Infrastructure
• WiBro, WiMAX & LTE/4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
• IF & RF Applications
Functional Diagram
General Description
The HMC743LP6C(E) is a digitally controlled variable
gain ampli er which operates from DC to 4 GHz,
can be programmed to provide 63 dB of gain control
in 0.5 dB steps and delivers output IP3 of up to
+33 dBm. The gain control interface accepts a three
wire serial input word and allows independent or
simultaneous control of two 6-bit digital attenuators.
The HMC743LP6C(E) also features a user selectable
power up state and a serial output for cascading
other serially controlled Hittite products. The
HMC743LP6C(E) is housed in an RoHS compliant
6x6 mm QFN leadless package, and requires minimal
external components.
12
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
Electrical Speci cations,
T
A
= +25° C, 50 Ohm System Vdd = +5V, Vcc = +5V
Parameter
Frequency Range
Gain (Maximum Gain State)
Gain Control Range
Input Return Loss
Output Return Loss
Gain Accuracy: (Referenced to Maximum Gain State)
All Gain States
Output Power for 1 dB Compression
Output Third Order Intercept Point
(Two-Tone Output Power= 8 dBm Each Tone)
Noise Figure
Switching Characteristics
tRISE, tFall (10 / 90% RF)
tON, tOFF (Latch Enable to 10 / 90% RF)
Supply Current (Idd)
Supply Current (Icc)
100
160
2
82
102
100
160
2
82
102
ns
ns
mA
mA
15.5
Min.
Typ.
70 - 1000
18.5
63
18
15
70 - 350 MHz: ± (0.3 + 3.5%)
350 - 750 MHz: ± (0.3 + 6.0%)
750 - 1000 MHz: ± (0.3 + 4.0%)
18
33
6
6
Max.
Min.
Typ.
700 - 4000
13
63
19
17
0.7 - 1.7 GHz: ± (0.3 + 4.5%)
1.7 - 3.2 GHz: ± (0.3 + 4.0%)
3.2 - 4.0 GHz: ± (0.3 + 5.0%)
17
28
7
dB
dB
dB
dB
dBm
dBm
dB
Max.
Units
MHz
dB
dB
12 - 1
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
HMC743LP6C / 743LP6CE
v05.1011
0.5 dB LSB GaAs MMIC DUAL 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, DC - 4 GHz
70 to 1000 MHz Tuning
Maximum Gain vs. Temperature
22
20
RELATIVE GAIN (dB)
18
GAIN (dB)
16
14
12
10
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
+25 C
+85 C
-40 C
Relative Gain Setting
(Referenced to Maximum Gain State)
0
-10
-20
-30
-40
-50
-60
-70
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
8dB
31.5dB
16dB
63dB
12
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
12 - 2
Input Return Loss
0
Output Return Loss
0
RETURN LOSS (dB)
Max Gain State
-20
RETURN LOSS (dB)
-10
-10
Max Gain State
-20
63dB
-30
16dB
-30
16dB
-40
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
-40
0
31.5dB
63dB
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
Bit Error vs. Relative Gain State
Bit Error vs. Frequency
4
(Major Frequencies)
3
63dB
3
2
BIT ERROR (dB)
2
1
0
-1
-2
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
-1
0
8
16
24
32
40
48
56
64
RELATIVE GAIN SETTING (dB)
BIT ERROR (dB)
0.5, 0.7GHz
16dB
31.5dB
1
0
0.9GHz
0.1, 0.3GHz
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
HMC743LP6C / 743LP6CE
v05.1011
0.5 dB LSB GaAs MMIC DUAL 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, DC - 4 GHz
70 to 1000 MHz Tuning
Relative Phase vs. Frequency
20
Step Error vs. Frequency
(Worst Case)
1
63dB
RELATIVE PHASE (DEG)
10
16dB
31.5dB
STEP ERROR (dB)
0.5
56, 58, 60, 62db
0dB
0
0
-10
-0.5
47, 47.5dB
-20
0
0.2
0.4
0.6
0.8
1
-1
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
FREQUENCY (GHz)
12
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
-20
-30
REVERSE ISOLATION (dB)
-40
-50
-60
-70
-80
-90
-100
0
0.2
Reverse Isolation
(Major States)
0, 0.5, 1, 2, 4dB
Output P1dB vs. Temperature
[1]
20
19
16dB
16dB
8dB
P1dB (dBm)
18
17
16
+25 C
+85 C
-40 C
31.5dB
63dB
15
14
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
FREQUENCY (GHz)
Psat vs. Temperature
[1]
22
21
Output IP3 vs. Temperature
[1]
40
36
Psat (dBm)
20
19
18
17
16
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
24
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
+25 C
+85 C
-40 C
IP3 (dBm)
32
28
+25 C
+85 C
-40 C
[1] Max Gain State
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
12 - 3
DSP 与 ARM 处理器
