SUB D 15-PIN CONNECTOR
The DTX-445-145 is equipped with a 15-pin
sub D connector with the following functions:
Pin # Name
Description
1
CS0 Channel Select low bit
2
CS1 Channel Select mid bit
3
CS2Channel Select high bit
4
MIC IN
Microphone Input
5
H/L PWR
High/Low Power
6
SUPPLY
Power Supply Input
7
AUX IN
Auxiliary Input
8
AUX OUT
Auxiliary Output
9
PGN IN/OUT Programming I/O
10
N/A
Not Used
11
RX MON
Monitor
12
Audio Out
Audio PA Output
13
DCD
Carrier Detect
14
PTT
Push-to-Talk
15
GND
Ground
SINGLE BOARD TRANSCEIVER WITH
HOUSING & MOUNTING FLANGES
SINGLE BOARD TRANSCIEVER
(Board Only)
Reliable and Feature Rich.
RF Transceivers, Radio Modems and Specialized Wireless Communication Equipment
for OEM and Integrator Applications – Since 1977.
RECEIVER
25 kHz Wide band 12.5 kHz Narrow band 25 kHz Wide band 12.5 kHz Narrow band
Sensitivity (12 dB SINAD):
0.25 µV
0.25 µV
.25uV
.25uV
Adjacent channel:
-67 dB
-60 dB
-67dB
-60dB
Spurious rejection:
-70 dB
-70 dB
-65dB
-65dB
Image rejection:
-75 dB
-75 dB
-70dB
-70dB
Intermodulation:
-67 dB
-67 dB
-67dB
-67dB
FM hum and noise:
-43 dB
-37 dB
-43dB
-37dB
Conducted spurious:
-57 dBm
-57 dBm
-57dB
-57dB
Receiver attack time
(TX to RX):
< 10 ms
< 10 ms
< 10 ms
< 10 ms
Noise squelch attack time:
< 15 ms
< 15 ms
< 15 ms
< 15 ms
(for 20 dB quieting)
RSSI squelch attack time:
< 5 ms
< 5 ms
< 5 ms
< 5 ms
RSSI squelch sensitivity:
PC adjustable; factory set for –106 dBm
Noise squelch sensitivity:
PC adjustable; factory set for –121 dBm
AUX OUT frequency response:
12 - 2500 Hz @ +1 / -3 dB
AUX OUT level range:
0 to 3 Volts peak-to-peak
Audio Speaker Output:
>700 mW into 8
Ω
, with less than 5 % THD ( 0 to 2.5 Vrms)
Audio Speaker freq response:
de-emphasized 6 dB/octave from 400 to 2500 Hz
Current Drain:
Receive Standby: 25 mA at 12.5 VDC
TRANSMITTER
Voice Emission Designator:
15K0F3E
10K0F3E
15K0F3E
10K0F3E
RF Power Output:
2.0 Watts @ 12.5 VDC < .9 A
2.0 Watts @ 12.5 VDC < .9 A
8.0 Watts @ 12.5 VDC < 1.8 A
5.0 Watts @ 12.5VDC < .9 A
10.0 Watts @ 14 VDC < 1.8 A
T
ransmitter Duty Cycle:
With supply below 13.5 volts:
8 W board only model - 100 % with added heat sink** maintained at 25° C
8 W encased model - 33 % with case end cap*** maintained at 25° C
5 W encased model - 50 % with case end cap*** maintained at 25° C
(with heat sink or case end cap above 25° C, degrades linearly to 0% at 60° C)
†
pending model
** a heatsink can be added to the board only versions using the two holes next to the RF PA shield.
*** case end cap refers to aluminum extrusion end cap on opposite side from connectors.
Data Emissions Designator for external modem:
9K8F1D
Deviation:
+/- 5.00 kHz
+/- 2.50 kHz
+/- 5.00 kHz
+/- 2.50 kHz
Transmitter attack time:
< 10 ms
FM Hum and Noise:
-45 dB
-40 dB
-45 dB
-40 dB
Audio Distortion:
< 5 %
Spurious and Harmonics:
-25 dBm max
-20 dBm max
Aux In frequency response:
8 Hz to 2500 Hz @ +1 / -3 dB
Aux In level range:
0.1 to 5 V peak-to-peak
Microphone freq response:
pre-emphasized 6 dB/octave from 300 to 2500 Hz
Microphone level:
25 mV rms for n/- 3 kHz deviation on wideband channel
Current Drain:
2.0 Watts @ 12.5 VDC < .9 A
2.0 Watts @ 12.5 VDC < .9 A
8.0 Watts @ 12.5 VDC < 1.8 A
5.0 Watts @ 12.5VDC < 1.2 A
10.0 Watts @ 14 VDC < 1.8 A
GENERAL SPECIFICATIONS
UHF DTX-445
VHF DTX-145
FCC ID:
AIERIT17-445
AIERIT17-145
Industry Canada ID:
1084A-RIT17445
1084A-RIT17145
FCC Rule Parts:
90
Industry Canada Rule Parts:
RSS-119
Frequency Range:
400.6 – 416.5
†
, 411 – 429
†
, or 450 - 470 MHz
136 to 162 MHz, 148-174MHz
RF Channels:
8 Independent TX/RX frequencies
Synthesizer Step:
6.25kHz
2.5kHz
Channel Spacing:
12.5kHz
Frequencies unusable:
TBD
Frequency Stability:
+/-1.5 PPM (-30° to +60° C)
+/-2.5 PPM (-30° to +60° C)
Tone/Code Signaling:
CTCSS (Quiet Call) and DCS
Power Supply:
9 to 17 VDC
Dimensions & weight:
Board only version: 4.75” x 2.8”x .625” / 2.1 oz
Encased version: 5.7”x 3”x 1.375” / 7.3 oz.
Antenna Fitting:
BNC female with encased version. Other options available on board only version.
†
pending model
P.O.Box 1998, Carmel, IN 46032
•
PH: 317.846.1201
•
FX: 317.846.4978
•
email: [email protected]
•
www.ritron.com
©2010 Ritron, Inc. All rights reserved. Ritron, Jobcom, Patriot, OutPost, GateGuard, Radio Nexus, Quiet Call and QuickAssist are registered trademarks of Ritron, Inc. Quick Talk, Liberty, and LoudMouth are trademarks of Ritron, Inc. 9/10
