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參數資料
| 型號： | DRT1-3813 |
| 英文描述： | Digital Radio Transmitter Modules for 37 to 40 GHz |
| 中文描述： | 數字無線電發射模塊為37至40千兆赫 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 59K |
| 代理商： | DRT1-3813 |
8-16
Digital Radio Transmitter Modules
for 37 to 40GHz
Technical Data
Description
This digital radio transmitter
module is designed for medium
data rate point to point communi-
cation systems operating at
38GHz. This module offers
excellent phase noise perfor-
mance and can be easily phase
locked to a frequency reference.
The transmitter module provides
+19 dBm of output power, ideal
for use in radios using 2 and 4
level FSK modulation. The module
features an ultra low noise silicon
bipolar VCO operating in the S/C
band. A portion of the oscillator
output is coupled off and is
applied to a frequency divider
network.
Features
Integrated Microwave/
Millimeter-Wave Modules
Low Phase Noise
Silicon Bipolar VCO
Full Band Tuning
GaAs MMIC Output Stage
Sample Output for Phase
Locking
Excellent Tuning Linearity
30 dB Attenuator
Waveguide/RF Output
Detected Output
DRT1-38XX
Block Diagrams
Transmitter Module Without Attenuator
MMIC
Mute
BPF
MMIC
Detector
Signal
Sample
Output
Tuning
Voltage
Modulation Input
RF Out 37
to 40 GHz
BPF
LO
X4
+16
X2
AMP
AMP
MMIC
AMP
Mute
BPF
MMIC
Detector
Attenuator
A
C
Signal
Sample
Output
Tuning
Voltage
Modulation Input
Transmitter Module With Attenuator
RF Out 37
to 40 GHz
BPF
LO
X4
+16
X2
AMP
MMIC
AMP
The low frequency output (less
than 1 GHz) from the frequency
divider can be easily used to
phase lock the source. The main
oscillator output is applied to a
frequency multiplier network to
produce the desired output
frequency in the 37 to 40 GHz
range. The output of this network
is filtered then amplified by a
GaAs MMIC device to produce the
required output power. A detected
sample of the output signal is
provided to facilitate built in test
of key radio components.
Applications
This digital radio module supplies
the transmitter function in radios
operating in the 37 to 40GHz
band. The source provides close
to 100 mW output power over the
temperature range of -30
°
C to
+70
°
C. Included within the
transmitter module is a muting
function to reduce output power
by 50 dB for “hot standby” appli-
cations. An internal voltage
controlled attenuator function is
optional allowing for 30 dB
dynamic range adjustment.
5965-5089E
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