1.1.5. GPIB
The IEEE-488 bus and a computer allows programmable control of the instrument.
1.2. Specification
1.2.1. Carrier Frequency
- Range
: 100 kHz ~ 150 MHz
- Resolution
: 100 Hz
- Accuracy
: ± 5 × 10-6 (5 ppm)
1.2.2. RF Output
- Range
: -20 dB
µ
~ 126 dB
µ
, open circuit
(-133 ~ +13 dBm into 50
Ω
termination)
- Resolution
: 0.1 dB
- Attenuator accuracy
: ±1.5 dB (@ 100 dB
µ
to 126 dB
µ
)
±1.0 dB (@ 20 dB
µ
to 100 dB
µ
)
±2.0 dB (@-20 dB
µ
to 20 dB
µ
)
- Source impedance
: 50
Ω
, VSWR < 1.2 %
- Frequency Flatness
: ±1 dB (@ 100 dB
µ
)
- Harmonics
: less than – 30 dBc
- Non-harmonics
: less than – 40 dBc
- Residual modulation (S/N)
: FM component > 70 dB
@ Referenced to 75 kHz Deviation, AF=1 kHz
CF= 10.7, 76 ~ 150 MHz
: AM component > 50 dB
@Referenced to 30% AM, AF=1 kHz
except at CF= 80 MHz / N, where N =3,4,5...
1.2.3. Modulation
- Type
: FM, AM
- Int. mod. frequencies
: 400 Hz and 1 kHz, ± 2 %
- Ext. mod. input impedance
: 10 K
Ω
unbalanced ± 10 %
- Ext. mod. input voltage
: 3 Vpp ± 2 %
- Ext. H/L LED indicator
: When LED is off,
3 Vpp ± 3 % (for AF
≤
20 kHz)
3 Vpp ± 5 % (for 20 kHz < AF
≤
100 kHz)
- FM
Max. deviation
: 100 kHz (@ CF
≥
1 MHz)
CF
×
10 %( @ CF < 1 MHz)
Resolution
: 0.1 kHz
Accuracy
:
±
10 % of max. dev. (@ CF > 1 MHz, AF = 1 KHz)
Distortion
: < 0.06 % (@ CF: 10.7 MHz, 76 ~ 110 MHz)
< 0.11 % (@ CF: other range)
with Dev = 75 kHz, AF = 1 kHz,
Demod. BW = 50 Hz to 15 kHz
De-emp.= 50
µ
sec
-36-
