AP2.2 SSB Radiotelephone
AP2-5
AP2.2 SPECIFICATIONS OF THE SSB RADIOTELEPHONE
AP2.2.1 FS-2550
1. GENERAL
(1) Communication System Semi-duplex or simplex
(2) Frequency Range Transmit: 1.6065 MHz to 26.175 MHz (100 Hz steps)
Receive: 0.1 MHz to 29.99999 MHz (10 Hz steps)
(3) Class of Emission J3E, J3C (for intership facsimile),
H2B (for selective calling),
H3E/A3E (reception only),
F1B = J2B (for DSC, NBDP terminal),
F3C (for weather facsimile, reception only)
(4) Number of Channels User channel: 200
ITU SSB/TELEX channels
2182 kHz (single action)
(5) Power Supply 24 VDC: 2 A (reception), 40 A (transmission) max.
2. TRANSMITTER
(1) Frequency Range 1.6065 MHz to 26.175 MHz (100Hz steps)
(2) RF Output Power 75/100/200 Wpep (1.6 to 4 MHz)
250 Wpep (4 to 26.175 MHz)
(3) Power Reduction 60 W
(4) Frequency Stability ±10 Hz
(5) Modulation AF Response 350 Hz to 2700 Hz within 6 dB
(6) AF Input -46 dBm/600 ohms
(7) Line Input 0 dBm/600 ohms
(8) Tone Frequency 1500 Hz
3. RECEIVER
(1) Receiving System Double-conversion superheterodyne
(2) Frequency Range 10kHz 29.99999MHz (10 Hz steps)
(3) Sensitivity Input level to produce SINAD 20dB, Unit: dBµV
Frequency Range
(MHz)
J3E H3E F1B
0.1 to 0.3 +40 +54
0.3 to 1.6 +25 +39
1.6 to 4 +16 +30 +6
4 to 30 +3 -7
0.1 to 4 MHz: at 10 ohms + 250 pF, 4 to 30 MHz: at 50 ohms
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