Kenwood TM-2570A User Manual

2. SPECIFICATIONS AND ACCESSORIES
2-1. SPECIFICATIONS
Model
TM-3530A TM-2570A | TM-2550A TM-2550E TM-2530A
Frequency range 144 to 148 MHz
Mode
FM F3 (F3E), F2 (F2D) (Control signal for DCL system)
Antenna impedance
50 ohms
Power requirement 12 to 16 VDC (13.8 VDC reference)
Grounding
Negative
Receive mode with no
input signal
0.6A
Current drain Hi ansnit mode
Approx. 6.5A | Approx. 164 Approx. 9.54 Approx. 6.54
LOW transmit mode
Approx. 2.5A | Approx. 4A Approx. 3A Approx. 2.54
Operating temperature -20°C to +50°C (-4°F to +122°F)
Dimensions Wide
180 mm
(Projection not High
60 mm
included) Deep
195 mm 250 mm 215mm
Weight
HI
1.8kg
(4 Ibs)
25 W min.
2.35 kg
(5.2 Ibs)
70 W min.
1.95 kg
(4.3 Ibs)
45 W min. 25 W min.
Output power row
(at 13.8 VDC,
Sat
5 W approx.
Adjustable up | Adjustable up
toout20W | toout60W
Adjustable up
Adjustable up to out 40 W to out 20 W
50 ohms load) Note:
Recommended duty
cycle
1 minute : Transmission
3 minutes: Reception
Modulation
E
E
2
g
Pas
Reactance
Frequency stability
Less than +15 PPM
Spurious radiation
Less than -60 dB
Maximum frequency deviation
+5 kHz
Audio distortion (at 60% modulation)
Circuitry
Less than 3% (300 Hz to 3000 Hz)
Double conversion superheterodyne
Intermediate 1st
20.935 MHz 10.695 MHz
frequency 2nd
455 kHz
~~ 12 dB SINAD
Sensitivity
Less than 0.25 uV
S+N/N
More than 50 GB at 1 mV input
-6 dB
Selectivity
More than 12 kHz
-60 dB
Less than 24 kHz
Receiver
Spurious response
Beter than 70 dB (except fd-IF/2)
Squelch sensitivity
Less than 0.125 uV (threshold)
Scan stop level
Less than 0.2 iV (threshold)
Output
More than 1.5 W across 8 ohms load (5% distortion)
External speaker impedance
Code
8 ohms
NRZ equal-length code
Modulation
MSK modulation
Frequency deviation
+3.5 kHz reference
Mark frequency and deviation
1200 Hz, +200 PPM
DCL control
Space frequency and deviation
1800 Hz, +200 PPM
Code transmission speed and deviation
1200 bits/second, +200 PPM
Note: Circuit and ratings are subject to change without notice due to development in technology.

Kenwood TM-2570A Specifications

General

Brand	Kenwood
Model	TM-2570A
Category	Transceiver
Language	English