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IC251E Old shack
VHF Zender: De oudjes doen het nog best . . .

Technische Specificaties :

Type:Amateur VHF transceiver
Frequency range:144-146 MHz (5/1/0.1 KHz steps)
Mode:FM/SSB/CW
RF Power output:1-10 W
Sensitivity:SSB/CW: Better than 0.5 uV (10 dB S+N/N)
FM: Better than 0.6 uV for 20 dB noise quieting
Selectivity:SSB/CW: 2.4 KHz (-6 dB), 4.8 KHz (-60 dB)
FM: 15 KHz (-6 dB), 30 KHz (-60 dB)
Image rejection:More than 60 dB
Voltage:13.8 VDC or mains
Current drain:RX: Max 0.6 A
TX: Max 2.3 A
Impedance:50 ohms, SO-239
Dimensions (W*H*D):241*111*264 mm
Weight:5 Kg
Manufactured:ICOM Japan, 1980-198x
Other:3 memories

Op zoek naar de Gebruikershandleiding.

FT-897
Mijn Shack
HF - VHF - UHF Zender: Mijn nieuwe Transceiver, gekoppeld met Ham-Radio de Luxe heb je een hele shack vol.

System Information

Technische Specificaties :

General

Frequency Range Receive:

 


Frequency Range Transmit:

(Amateur bands only)

100 kHz-56 MHz
76 MHz-108 MHz
118 MHz-164 MHz
420-470 MHz

160-6 Meters
2 Meters
70 Centimeters
5.1675 MHz Alaska Emergency Frequency (USA only)

Emission Modes: A1 (CW), A3 (AM), A3J (LSB/USB), F3 (FM), F1 (9600 bps packet), F2 (1200 bps packet)
Synthesizer Steps (Min.): 10 Hz (CW/SSB), 100 Hz (AM/FM/WFM)
Antenna Impedance:

50 Ohms, Unbalanced (Type M [SO239])

Operating Temperature Range: -10° C to +60° C (+14° F to +140° F)
Frequency Stability: 4 ppm from 1 min. to 60 min. after power on. 25° C: 1 ppm/hour
Supply Voltage: Normal: 13.8 VDC 15 %, Negative Ground

Optional: FNB-78 (Ni-MH Battery Pack): 13.2 VDC
Current Consumption:

Squelched: 600 mA (Approx.)
Receive: 1 A
Transmit: 22 A

Case Size: 7.9 x 3.2 x 10.2 inches (200x80x262 mm)
Weight (Approx.): 8.6 lBs. 3.9 kg (without Ni-MH battery, antenna or microphone)

Transmitter
RF Power Output: 100/50/20 W SSB/CW/FM
Modulation Types:

SSB: Balanced Modulator
AM: Early Stage (Low Level)
FM: Variable Reactance

FM Maximum Deviation: 5 kHz (FM-N: 2.5 kHz)
Spurious Radiation: -50 dB (1.8-29.7 MHz) -60 dB (50/144/430 MHz)
Carrier Suppression: >40 dB
Opposite Sideband Suppression:

>50 dB

SSB Frequency Response: 400 Hz-2600 Hz (-6 dB)
Microphone Impedance: 200-10k Ohms (Nominal: 600 Ohms)

Receiver
Circuit Type: Double-Conversion Superheterodyne
Intermediate Frequencies:

1st : 68.33 MHz (SSB/CW/AM/FM);10.7 MHz (WFM)
2nd: 455 kHz


Sensitivity
 
SSB/CW
AM
FM
100 kHz-500 kHz
-
-
-
500 kHz-1.8 MHz
-
32 µV
-
1.8 MHz-28 MHz
0.2 µV
2 µV
-
28 MHz-30 MHz
0.2 µV
2 µV
0.5 µV
50 MHz-54 MHz
0.125 µV
1 µV
0.2 µV
144/430 MHz
0.125 µV
-
0.2 µV
(SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD)

Squelch Sensitivity
 
SSB/CW/AM
FM
1.8 MHz-28 MHz
2.5 µV
-
28 MHz-30 MHz
2.5 µV
0.32 µV
50 MHz-54 MHz
1 µV
0.16 µV
144/430 MHz
0.5 µV
0.16 µV
(IPO, ATT off)

Image Rejection:
HF/50 MHz: 70 dB
144/430 MHz: 60 dB
IF Rejection: 60 dB
Selectivity (-6/-60 dB): SSB/CW: 2.2 kHz/4.5 kHz
AM: 6 kHz/20 kHz
FM: 15 kHz/30 kHz
FM-N: 9 kHz/25 kHz
SSB (option):2.3 kHz/4.7 kHz (-66 dB)
CW (option):500 Hz/2.0 kHz
AF Output: 2.5 W (8 Ohms, 10% THD or less)
AF Output Impedance: 4-16 Ohms