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HMC121 PDF даташит

Спецификация HMC121 изготовлена ​​​​«Hittite Microwave Corporation» и имеет функцию, называемую «GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR DC - 15 GHz».

Детали детали

Номер произв HMC121
Описание GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR DC - 15 GHz
Производители Hittite Microwave Corporation
логотип Hittite Microwave Corporation логотип 

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HMC121 Даташит, Описание, Даташиты
MICROWAVE CORPORATION
HMC121
GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR DC - 15 GHz
SEPTEMBER 1999
Features
General Description
WIDE BANDWIDTH: DC - 15 GHZ
www.DataSheet4U.com
LOW PHASE SHIFT VS. ATTENUATION
2 30 dB ATTENUATION RANGE
SIMPLIFIED VOLTAGE CONTROL
The HMC121 chip is an absorptive voltage
variable attenuator. It features an on-chip
reference attenuator for use with an external
op-amp to provide simple single voltage
attenuation control. The device is ideal in
designs where analog control signal must
control RF signal levels over a 30 dB range,
such as AGC circuits and in temperature
compensation of multiple gain stages. Ap-
plications include military ECM and com-
munications as well as commercial micro-
wave radios and VSAT. See SMT pack-
aged version HMC121G8 (hermetic).
Guaranteed Performance, 50 ohm system, -55 to +85 deg C
Parameter
Insertion Loss
DC - 8 GHz:
DC - 15 GHz:
Attenuation Range
Return Loss
DC - 8 GHz:
DC - 15 GHz:
Switching Characteristics
tRISE, tFALL ( 10/90% RF):
tON, tOFF (50% CTL to 10/90% RF):
Input Power for 0.25dB Comp. ( 0.5 - 15 GHz)
Min. Atten:
Atten. > 2dB:
Input Third Order Intercept
Min. Atten:
(two - 8 dBm signals 0.5 - 15 GHz)
Atten. > 2dB:
Min.
25
13
10
Typ.
1.8
2
30
18
15
3
6
+10
-2
+25
+10
Max.
2.8
3.5
Units
dB
dB
dB
dB
dB
ns
ns
dBm
dBm
dBm
dBm
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343
2-6
Fax: 978-250-3373
Web Site: www.hittite.com









No Preview Available !

HMC121 Даташит, Описание, Даташиты
MICROWAVE CORPORATION
HMC121 VOLTAGE-VARIABLE ATTENUATOR DC - 15 GHz
SEPTEMBER 1999
Insertion Loss
0
www.DataSheet4U.com -1
-2
-3
-4
-5
0 2 4 6 8 10 12 14 16
FREQUENCY (GHz)
Return Loss
0
-10
-20
-30
0 2 4 6 8 10 12 14 16
FREQUENCY (GHz)
Relative Attenuation
0
-10
2-20
-30
-40
0 2 4 6 8 10 12 14 16
FREQUENCY (GHz)
Relative Attenuation vs.
Control Voltage
0
-0.5
-1
V1
-1.5
V2
-2
-2.5
-3
0
5 10 15 20 25
RELATIVE ATTENUATION (dB)
30
Relative Phase
90
70
20 dB
50
30
10 dB
10
1 dB and 3 dB
-10
0 2 4 6 8 10 12 14 16
FREQUENCY (GHz)
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Web Site: www.hittite.com
2-7









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HMC121 Даташит, Описание, Даташиты
MICROWAVE CORPORATION
HMC121 VOLTAGE-VARIABLE ATTENUATOR DC - 15 GHz
SEPTEMBER 1999
Schematic
Single-Line Control Driver
www.DataSheet4U.cRomF1
50
50
RF2
RF1
50
50
RF2
2
500 500
500
500
V2 I
O V1
(BACKSIDE IS GND)
Outline Drawing
0.12 (0.005)
PORT RF1
0.87 (0.034)
500 500
500
500
V2 I
+5V
1N4148
O V1
500
CTL
3.9K
500 3.9K
TL321
OR EQUIVALENT
-5V
External op-amp control circuit maintains impedance match while
attenuation is varied. Input control ranges from 0 Volts (min.
attenuation) to -2.5 Volts (max. attenuation.)
Absolute Maximum Ratings
RF Input
Control Voltage Range
Storage Temperature
Operating Temperature
+16dBm
+1.0 to -6.0 Vdc
-65 to +150 deg C
-55 to +125 deg C
PORT RF2
1.10
(0.043)
0.67
(0.026)
V2
0.21 (0.008)
0.09 (0.003)
0.24 (0.009)
0.39 (0.015)
0.54 (0.021)
Hittite
V1
PORT V1
PORT O
PORT I
PORT V2
ALL TOLERANCES ARE: ± 0.025 (0.001)
DIE THICKNESS IS 0.10 (0.004), BACKSIDE IS GROUND
BOND PADS ARE 0.10 (0.004) SQUARE
ALL DIMENSIONS IN MILLIMETERS (INCHES)
BACKSIDE METALLIZATION: GOLD
BOND PAD METALLIZATION: GOLD
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343
2-8
Fax: 978-250-3373
Web Site: www.hittite.com










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