IRF-500A 功能简介：
RF Signal Generator Specifications:
Frequency Range: 250 kHz to 999.9999 MHz in 100 Hz increments
Frequency Accuracy: Same as Master Oscillator
Variable Generate: Continuous tuning +/-10 kHz from selected frequency
Residual FM: <100 Hz peak RMS
RF Output Power: -127 dBm to -20 dBm (10 dB steps with 11 dB range continuous vernier)
RF Output Accuracy: +/-3 dB
Output Impedance: 50 Ohms nominal
Output Protection: Fully protected, 25 watts continuous, 150 watts for 1 minute. Auto changeover from generate to monitor will occur at a nominal 100 MW level.
Internal Modulation: See Audio Generator
External Modulation:
Frequency Response:
FM: 2 Hz to 30 kHz (DC when in variable generate)
AM: 10 Hz to 10 kHz (30% maximum modulation above 5 kHz)
Modulation Sensitivity:
FM: 0.08 VRMS/kHz
AM: 0.01 VRMS/%
Distortion (1 kHz tone):
FM: <1% to 20 kHz deviation
AM: <10% to 60% modulation
Input Impedance: Greater than 10K OHMS
Audio Generator Specifications:
Operating Modes:
Internal: Modulation/Tone Out level controlled by 1 kHz or Variable control
Speaker: Tone applied directly to speaker with volume controlled by 1 kHz or Variable control
External plus Internal: External modulation input is summed directly with tones and applied to modulator
Tone Accuracy:
Fixed: Same as Master Oscillator
Variable: +/-0.01%
Tone Distortion: (at 2.5 VRMS Output)
Fixed: <0.5%
Variable: <0.5% at 1 kHz, <1.5% 10 Hz to 9999.9 Hz
Tone Output Level: 0 to 2.5 VRMS minimum either tone into 150 Ohm load
Frequency Range (Variable): 10 Hz to 9999.9 Hz in 0.1 Hz increments
Power Meter Specifications:
Range: 0 to 15 and 0 to 150 watts peak or average responding
Accuracy: 1 to 600 MHz +/-7% reading, +/-3% full scale 600 to 1000 MHz +/-20% reading, +/-3% full scale
Input Power: 25 watts continuous, 150 watts 1 minute on, 5 minutes off
Receiver/Monitor Specifications:
Frequency Range: 100 kHz to 999.9999 MHz in 100 Hz increments
Sensitivity: 2 μV (1 MHz to 1000 MHz, FM Narrow) (Sensitivity decreases below 10 MHz)
Selectivity:
Mode RCVR Bandwidth Audio Bandwidth
FM WIDE 200 kHz 80 kHz
FM MID 200 kHz 8 kHz
FM NAR 15 kHz 8 kHz
SSB 6 kHz 8 kHz
AM NAR 6 kHz 8 kHz
AM NORM 15 kHz 8 kHz
Adjacent Channel Rejection:
RCVR Bandwidth -40 dB at
200 kHz +/- 3000 kHz
15 kHz +/- 27 kHz
6 kHz +/- 12 kHz
Demodulation Output:
Output Impedance: 600 Ohms
Output Level (Measured into an open circuit):
FM: 60 mVRMS/+/-1 kHz
AM: 5 mVRMS/%
Receiver Antenna Input Protection: 0.25 watts maximum without damage
Frequency Error Meter Specifications:
RF Accuracy: +/- Master Oscillator +/-3% of full scale
RF Ranges: +/-10 kHz, +/-3 kHz, +/-1 kHz, +/-300 Hz, +/-100 Hz, +/-30 Hz full scale
Audio Counter Accuracy: +/-0.01% +/-6% of full scale
Audio Counter Ranges: +/-300 Hz, +/-30 Hz, +/-3 Hz full scale
Modulation Meter (Monitor Mode) Specifications:
Type: Maximum of positive or negative peak (AM and FM)
FM Deviation Accuracy: +/- 5% of reading +/-3% of full scale
FM Deviation Ranges: 2 kHz, 6 kHz, 20 kHz, 60 kHz full scale
AM % Modulation Accuracy: +/-5% of reading +/-3% of full scale
AM % Modulation Ranges: 60%, 200% full scale
SINAD/Distortion Meter Specifications:
SINAD: 3 to 20 dB at 1 kHz
Accuracy: +/- 1dB at 12 dB SINAD
Input Level: 0.25 VRMS to 2 VRMS (10 VRMS maximum SINAD)
Impedance: 10 K Ohms nominal
Distortion Range: 0 to 20% at 1 kHz
Master Oscillation Specifications:
Standard TCXO:
Accuracy: 0.2 PPM (0-50°C)
Aging: 3 PPM per year, 1 PPM thereafter
General Specifications:
Operating Temperature Range: 0 to 50°C
Power Requirements:
Line: 105-130/210-260 VAC, 50-400 Hz at 30 watts typical
Ext. DC: 12-14 VDC Nominal at 2 AMPS
Operation on Internal Battery: Approximately 2 hours
Dimensions: 29.2 cm (11.5") wide, 12.4 cm (4.9") high, 36.3 cm (14.3") deep, 45.7 cm (18") deep with lid and handle - does not include packaging
Weight (Approximate): 22 lbs. (9.9 kg) with battery - does not include packaging
补充内容 (2014-12-24 22:23):
更正： IFR-500A |
发表于 2014-12-24 22:21:32
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