JRC JSS-2250 Instruction Manual page 174

Specifications
Transmitter
Antenna output power
(JSS-2250/ 2500)
Modulation method
Occupied bandwidth
Carrier suppression (J3E)
Unwanted emissions in the
out-of-band domain
Unwanted emissions in the
spurious domain
Overall distortion and noise
AF frequency response
Tone frequency
Receiver
Receiving system
1st IF
2nd IF
Reception frequency stability
Sensitivity (SINAD 20dB)
Pass band/Adjacent signal
selectivity
Spurious response
Blocking/Desensitization
9-2
1605.0 AC
- 3999.9 kHz
24VDC ： 100Wpep
4000.0
AC
- 27500.0 kHz
24VDC ： 150Wpep
Low-power stage balanced modulation
J3E/ J2D/ H2B
F1B/ A1A
40 dB or more
Mean power of 50 mW or lower, or 43 dB or more lower
than the mean power of the basic frequency
At J3E:
1.5 to 4.5 kHz
4.5 to 7.5 kHz
7.5 kHz and upwards
(Peak power of unwanted emissions is 50 mW or less.)
At F1B:
Attenuation [dB]
-20 dB or less
Deviation is within 6 dB in 350 Hz to 2700 Hz range.
1500 Hz or 1400 Hz
Double superheterodyne
70.036 MHz
36 kHz
Within ±10 Hz
J3E : 2.5 uV or less (1605.0 to 27500.0 kHz)
F1B : 0.7 uV or less (1605.0 to 27500.0 kHz)
A1A : 1.4 uV or less (1605.0 to 27500.0 kHz)
J3E : 2.4 - 3.0 kHz
±2.1 kHz
F1B : 270 - 300Hz
±550 Hz
J3E : 60 dB or more
F1B : Symbol error rate of 1% or better at a wanted
signal level of 10 uV and an unwanted signal
level of 31.6 mV separated by 750 Hz
J3E : When an unwanted signal level separated by 3
kHz is added to the wanted signal level of 10
uV, the
suppressing output of the wanted signal by 3
dB is 10 mV or more.
F1B : Symbol error rate of 1% or better at a wanted
signal level of 10 uV and an unwanted signal
level of 1 mV separated by 500 Hz
： 200Wpep / 400Wpep
/ 100Wpep
： 250Wpep / 500Wpep
/ 150Wpep
: Within 3 kHz
: Within 0.5 kHz
: 31 dB or more
: 38 dB or more
: 43 dB or more
Mistuned frequency [Hz]
(6 dB bandwidth) within
(66 dB bandwidth)
(6 dB bandwidth) within
(60 dB bandwidth)
unwanted signal input voltage