FTM-7250DR/DE Technical Supplement
Specifications
SPECIFICATIONS-1
General
Frequency Range:
TX: 144 - 146 MHz or 144 - 148 MHz
430 - 440 MHz or 430 - 450 MHz
RX: 108 - 579.995 MHz
Channel Steps:
5/6.25/(8.33)/10/12.5/15/20/25/50/100 kHz ( ) Air Band
Standard Repeater Shift:
VHF: ±600 kHz
UHF:
±5 / 1.6 / 7.6 MHz
Frequency Stability:
±2.5 ppm (–4 °F to +140 °F [–20 °C to +60 °C])
Modes of Emission:
F2D/F3E/F7W
Antenna impedance:
50 Ohms, unbalanced
Supply Voltage:
13.8 V DC ±15%, negative ground
Current Consumption (typical):
RX: less than 0.5 A
Tx: 10 A (50 W) /6 A (25 W) /4 A (5 W)
Operating Temperature:
–4 °F to +140 °F (–20 °C to +60 °C)
Case Size (W x H x D) (approx.):
6.1” (W) × 1.7” (H) × 5.7” (D) (155 × 42 × 145.5 mm) (w/o knobs and FAN)
Weight (approx.):
2.86 lbs (1.3 kg)
Transmitter
RF Power Output:
50 / 25 / 5 W
Modulation Type:
F2D/F3E : Variable Reactance
F7W: 4FSK (C4FM)
Maximum Deviation:
±5 kHz (Wide)
±2.5 kHz (Narrow)
Spurious Radiation:
Better than -60 dB
Microphone Impedance:
2 k Ohms
Receiver
Circuit Type:
Double Conversion Super heterodyne
IFs:
1 st: 47.25 MHz, 2 nd: 450 kHz
Sensitivity (for 12 dB SINAD):
1.5 μV typ for 10 dB SN (108 - 137 MHz, AM)
0.16 μV for 12 dB SINAD (137 - 174 MHz, NFM)
1 μV for 12 dB SINAD (174 - 222 MHz, NFM)
0.5 μV for 12 dB SINAD (300 - 350 MHz, NFM)
0.2 μV for 12 dB SINAD (350 - 400 MHz, NFM)
0.18 μV for 12 dB SINAD (400 - 470 MHz, NFM)
0.35 μV for 12 dB SINAD (470 - 580 MHz, NFM)
Sensitivity (for Digital):
0.19 μV typ for BER 1%
Selectivity:
12 kHz/28 kHz (−6 dB/−60 dB)
Maximum AF Output:
3 W into 4 Ohms with 10% THD
Specifications are subject to change without notice, and are guaranteed within the 144 and 430 MHz ama
-
teur bands only. Frequency ranges will vary according to transceiver version; check with your dealer.
Summary of Contents for FTM-7250DR
Page 4: ...BLOCK DIAGRAM 1 FTM 7250DR DE Technical Supplement Block Diagram...
Page 13: ...FTM 7250DR DE Technical Supplement MAIN 1 Circuit Diagram MAIN Unit Lot 1...
Page 16: ...FTM 7250DR DE Technical Supplement MAIN 4 Circuit Diagram MAIN Unit Lot 2...
Page 19: ...FTM 7250DR DE Technical Supplement MAIN 7 Circuit Diagram MAIN Unit Lot 3 4...
Page 22: ...FTM 7250DR DE Technical Supplement MAIN 10 Circuit Diagram MAIN Unit Lot 5...
Page 43: ...FTM 7250DR DE Technical Supplement PANEL 1 PANEL Unit Circuit Diagram...
Page 48: ...FTM 7250DR DE Technical Supplement DSP 1 DSP Unit Circuit Diagram...