DRT1-38XX [ETC]
Digital Radio Transmitter Modules for 37 to 40 GHz (60K in pdf) ; 数字无线发射模块为37至40千兆赫（PDF格式60K ）\n
| 型号： | DRT1-38XX |
| 厂家： | 
ETC |
| 描述： | Digital Radio Transmitter Modules for 37 to 40 GHz (60K in pdf)
|
| 文件： | 总4页 (文件大小：61K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Digital Radio Transmitter Modules
for 37 to 40 GHz
Technical Data
DRT1-38XX
Features
Description
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
• Integrated Microwave/
Millimeter-Wave Modules
This digital radio transmitter
module is designed for medium
data rate point to point communi-
cation systems operating at
38 GHz.Thismoduleoffers
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
• Low Phase Noise
• Silicon Bipolar VCO
• Full Band Tuning
• GaAs MMIC Output Stage
• Sample Output for Phase
Locking
• Excellent Tuning Linearity
• 30 dB Attenuator
level FSK modulation. The module sample of the output signal is
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.
provided to facilitate built in test
of key radio components.
• Waveguide/RF Output
• Detected Output
Applications
This digital radio module supplies
the transmitter function in radios
operatinginthe37to40 GHz
band. The source provides close
to 100 mW output power over the
temperature range of -30°C to
+70°C. Included within the
Block Diagrams
Transmitter Module Without Attenuator
Modulation Input
Tuning
Voltage
BPF
MMIC
AMP
BPF
MMIC
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.
LO
X4
X2
AMP
RF Out 37
to 40 GHz
Signal
Sample
Output
+16
Detector
Mute
Transmitter Module With Attenuator
Modulation Input
MMIC
AMP
Tuning
Voltage
BPF
MMIC
AMP
BPF
Attenuator
LO
X4
X2
RF Out 37
to 40 GHz
MMIC
AMP
Signal
Sample
Output
+16
Detector
Mute
5965-5089E
8-16
DRT1-38XX Absolute Maximum Ratings (TA = -30 to +70ºC)
Notes:
Parameters
Units
Ratings
1. Operation in excess of any one of
these parameters may result in
permanent damage.
2. A thermal interface medium must
be used between the bottom of the
package and its mating surface to
ensure optimum heat transfer.
DC Circuit Power +10
+5.0
Volts
Volts
Volts
Volts
Volts
11
+5.5
-4.5
5
-5.0
Power Control
Tuning Voltage
17
Electrical Characteristics
Part Number
DRT1-3823
DRT1-3813
Parameters
RF Tuning Range
Units
GHz
°C
Min.
37
-30
-45
18
289
-10
0.4
Typ.
Max.
40
70
Min.
37
-30
-45
18
289
-10
0.4
Typ.
Max.
40
70
Operating Temperature Range
Storage Temperature Range
RF Power Output
Sample Out Frequency
Sample Out Power
°C
85
85
dBm
MHz
dBm
V
19
19
313
0
2
313
0
2
Detected Out
Harmonics and Sub-Harmonics
from 2.65 to 55 GHz from carrier [1]
Spurious Output
dBc
-30
-30
from 2.65 - 55 GHz[1]
@ fo ± 1.0 GHz
@ prescaler output frequency
Phase Noise @ 100 KHz
Tuning Voltage
Input Capacitance, Nom
Main Tuning Sensitivity
Main Tuning Sensitivity Variation
Modulation Bandwidth
Modulation Sensitivity
Modulation Sensitivity Variation
DC Circuit Power +10 Volts
+5 Volts
dBc
dBc
dBc
dBc
V
-30
-50
-30
-80
16
-30
-50
-30
-80
16
-82
27
-82
27
1
1
pf
MHz/V
200
400
2.0:1
200
400
2.0:1
1.5:1
20
1.5:1
20
MHz
MHz/V
%
mA
mA
10
35
10
35
20
20
175
975
50
175
600
50
-5 Volts
mA
FrequencyPushingon+10VLine
based on ± 0.2V variation
VSWR @ Full Power Output[2]
Mute Control
Mute Control Range
RF Connector
Attenuator Range
Attenuator Control Voltage
RF Output Dynamic Range
MHz/V
40
50
40
50
2.5:1
-50
2.5:1
-50
dBc
V
0
5
5
0
5
WR-28
WR-28
NA
NA
NA
dB
V
dB
30
0
30 Min.
Humidity
Non Condensing
Condensing
%
%
85
95
85
95
Case Size
inches
3.50x1.25x0.40
3.50x1.25x0.40
Notes:
1. Tested only to 50 GHz
2. Module is unconditionally stable with this load VSWR of 2.0:1
8-17
DRT1-38XX Typical Performance
25
41
40
39
600
500
400
T = +25°C
T = –30°C
23 T = +70°C
TUNING VOLTAGE
21
19
38
37
36
MODULATION
SENSITIVITY
Spec Min
300
200
17
15
36.5
37.5
38.5
39.5
40.5
2
4
6
8
10
12
14
FREQUENCY (GHz)
TUNING VOLTAGE (V)
Figure 1. Power Out vs. Frequency.
Figure 2. Tuning Voltage vs. Frequency
and Modulation Sensitivity.
0
-20
-40
-60
-10
-20
-80
-100
-120
-30
-40
0
1
2
3
4
5
1
10
100
1000
KHz Offset from Carrier
ATTENUATOR VOLTAGE
Figure 3. Dynamic Range Adjust.
Figure 4. Phase Noise at 40 GHz vs.
KHz Offset from Carrier.
Mounting Instructions
Case must be mounted firmly,
with screws, to an adequate
metallic structure that has suffi-
cient thermal properties to
Powering Up Instructions turnedoff. The+10 voltscanbe
The -5 volts must be applied to the turned on in any sequence. Failure
transmitter module before
applying the +5 volts. Likewise
to follow this procedure could
cause permanent damage to the
when shutting down the transmit- module.
ter module the +5 volts must be
removed before the -5 volts is
maintain the module case at a
temperature not to exceed 70°C.
Product Options
Specify part number followed by option. For example:
DR T 1 – 38 X X
Model Number Prefix = Digital Radio
T = Transmitter Module
Internal Use
3 = WR-28 Waveguide Connector
1 = No Attenuator
2 = With Attenuator
38 = 37 to 40 GHz Frequency Band
8-18
Case Dimensions
H
DRTI-38XX
S/N XXXX
1.25
12x .20
3.50
.40 REF
1.89
10x .100
.65
.40 MAX
12x .22
12x Ø .025
SEE DETAIL A
.125
.120
2.70
THRU
6x Ø
.670
4x 4-40 UNC-2B
.110
.500
.445
.250
.445
.500
.224
.500
.112
2.430
2.70
.120
.700
.328
DETAIL A
8-19
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