Product Specification
D8740250GT
GaAs Power Doubler, 40 – 870MHz, 25.0dB min. Gain @ 870MHz, 375mA max. @ 24VDC
FEATURES
•
•
•
•
•
•
Excellent linearity
Superior return loss performance
Extremely low distortion
Optimal reliability
Low noise
Unconditionally stable under all terminations
D8740250GT
APPLICATION
•
40 to 870 MHz CATV amplifier systems
DESCRIPTION
•
Hybrid Power Doubler amplifier module
employing GaAs dice
GaAs Power Doubler Hybrid
40 – 870MHz
25.0dB min. Gain @ 870MHz
375mA max. @ 24VDC
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134)
SYMBOL
V
i
V
ov
T
stg
T
mb
PARAMETER
RF input voltage (single tone)
DC supply over-voltage (5 minutes)
storage temperature
operating mounting base temperature
MIN.
-
-
- 40
- 30
MAX.
75
30
+ 100
+ 100
UNIT
dBmV
V
°C
°C
CHARACTERISTICS
Table 1: S-Parameter, Noise Figure, DC Current; V
B
= 24V; T
mb
= 30°C; Z
S
= Z
L
= 75
Ω
SYMBOL
G
p
SL
FL
S
11
PARAMETER
power gain
slope
1)
flatness of frequency
response
input return loss
CONDITIONS
f = 870 MHz
f = 40 to 870 MHz
f = 40 to 870 MHz
(Peak to Valley)
MIN.
25.0
1.0
-
20.0
19.0
17.0
20.0
19.0
18.0
-
TYP.
1.4
MAX.
26.0
1.8
0.6
-
-
-
-
-
-
5.5
375.0
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mA
S
22
output return loss
F
I
tot
noise figure
total current
consumption (DC)
f = 40 to 320 MHz
f = 320 to 640 MHz
f = 640 to 870 MHz
f = 40 to 320 MHz
f = 320 to 640 MHz
f = 640 to 870 MHz
f = 50 to 870 MHz
350.0
Notes:
1) The slope is defined as the difference between the gain at the start frequency and the gain at the stop frequency.
Page 1 of 4
2004 Jun 01
Document Revision Level D
Product Specification
D8740250GT
GaAs Power Doubler, 40 – 870MHz, 25.0dB min. Gain @ 870MHz, 375mA max. @ 24VDC
CHARACTERISTICS
Table 2: Distortion data 40 – 750 MHz; V
B
= 24V; T
mb
= 30°C; Z
S
= Z
L
= 75
Ω
SYMBOL
CTB
XMOD
CSO
CONDITIONS
112 ch. 10 dB tilted; Vo = 50 dBmV @ 750 MHz;
112 ch. 10 dB tilted; Vo = 50 dBmV @ 750 MHz;
1)
MIN.
-
-
-
TYP.
MAX.
- 60
- 55
- 63
UNIT
dBc
dBc
dBc
112 ch. 10 dB tilted; Vo = 50 dBmV @ 750 MHz;
1)
1)
Notes:
1) 112 channels, NTSC frequency raster: 55.25 MHz to 745.25 MHz, +40 dBmV to +50 dBmV tilted output level.
Composite Second Order (CSO)
The CSO parameter (both sum and difference products) is defined by the NCTA.
Composite Triple Beat (CTB)
The CTB parameter is defined by the NCTA.
Cross Modulation (XMOD)
Cross modulation (XMOD) is measured at baseband (selective voltmeter method), referenced to 100% modulation of the
carrier being tested.
Page 2 of 4
2004 Jun 01
Document Revision Level D
Product Specification
D8740250GT
GaAs Power Doubler, 40 – 870MHz, 25.0dB min. Gain @ 870MHz, 375mA max. @ 24VDC
DEFINITIONS
Data Sheet Status
Objective Product
Specification
Preliminary Product
Specification
Product Specification
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134).
Stress above one or more of the limiting values may cause permanent damage to the device.
These are stress ratings only and operation of the device at these or at any other conditions
above those given in the Characteristics sections of the specification is not implied. Exposure to
limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
This data sheet contains target or goal specifications for product
development.
This data sheet contains preliminary data; supplementary data may
be published later.
This data sheet contains final product specifications.
Premier Devices reserves the right to make changes without further notice to any products herein.
Premier Devices makes no warranty representation or guarantee regarding the suitability of its products for any particular
purpose, nor does Premier Devices assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical”
parameters which may be provided in Premier Devices datasheets and/or specifications can and do vary in different
applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated
for each customer application by customer´s technical experts. Premier Devices does not convey any license under its
patent rights nor the rights of others. Premier Devices products are not designed, intended, or authorized for use as
components in systems intended for surgical implant into the body, or other applications intended to support or sustain life,
or for any other application in which the failure of the Premier Devices product could create a situation where personal
injury or death may occur. Should Buyer purchase or use Premier Devices products for any such unintended or
unauthorized application, Buyer shall indemnify and hold Premier Devices and its officers, employees, subsidiaries,
affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, and claim of personal injury or death associated with such unintended or unauthorized
use, even if such claim alleges that Premier Devices was negligent regarding the design or manufacture of the part.
© Premier Devices Germany GmbH 2004
How to contact us:
Premier Devices Germany GmbH
Loeffelholzstrasse 20, D-90441 Nuernberg, Germany
Phone: +49 (0) 911 9411 233, FAX: +49 (0) 911 9411 198,
Email:
sales.germany@premierdevices.com,
Internet:
http://www.premierdevices.de/
Page 4 of 4
2004 Jun 01
Document Revision Level D
京公网安备 11010802033920号
EEWORLD
