| FREQUENCY |
| Frequency Range |
0.01 to 350 MHz |
| Frequency Spans |
| Full Band |
displays entire spectrum, 0.01 to 350 MHz |
| Per Division |
5 kHz to 20 MHz/div in a 1, 2, 5 sequence |
| Zero Span |
analyzer functions as a manually tuned receiver |
| Frequency Accuracy |
| Tuning Accuracy |
± (3 MHz + 10% of frequency span per division) |
| Frequency Span Accuracy |
± 10% of displayed frequency separation |
| SPECTRAL RESOLUTION |
| Resolution Bandwidths |
eight selectable resoltion (3-dB) bandwidths from 1 kHz
to 3 MHz in a 1, 3 sequence. Bandwidth and frequency span are independently variable
or may be coupled for optimum display when control markers are aligned. |
| Resolution Bandwidth Accuracy |
3-dB points are ± 20% (+10° to +40°C) |
| Selectivity |
(60-dB/3-dB bandwidth ratio) < 15:1 |
| SPECTRAL STABILITY |
| Residual FM |
<1 kHz p-p in 0.1 second |
| Noise sidebands |
75 dB down, > 50 kHz
from center of CW signal with 1 kHz resolution bandwidth and full video filtering |
| AMPLITUDE |
| Amplitude Range |
-117 dBm to +20 dBm |
| Maximum Input
(damage) Levels |
| Total Power |
+ 20 dBm (100 mΩ, 2.24
Vrms) |
| DC or AC (<100 Hz) |
± 30 V |
| Gain Compression |
typically <1 dB for -1 dBm signal, 0 dB input
attenuation |
| Average Noise Level |
<-107 dBm with 10 kHz resolution bandwidth, 0 dB input
attenuation, and maximum (MAX) video filtering |
| Calibrated Display Range |
| Log |
70 dB with 10 dB/div scale; 8 dB with 1 dB/div scale |
| Linear |
8 divisions with linear (LIN) amplitude scale |
| Amplitude Accuracy |
| Calibrator |
-30 dBm ± 1 dB (into 50 Ω),
250 MHz ± 50 kHz |
| Reference Level |
10 dB steps and a 12 dB vernier for calibrated adjustment
from -112 dBm to +40 dBm |
| Step Accuracy |
< ± 0.5 dB per 10 dB step |
| Maximum Cumulative Error |
< ± 1.0 dB |
| Bandwidth Switching (Amplitude
Variation) |
| 3 MHz to 300 kHz |
< ± 0.5 dB |
| 3 MHz to 1 kHz |
< ± 1.0 dB |
| Display Fidelity |
| Log Incremental Accuracy |
± 0.1 dB/dB from Reference Level |
| Log Maximum Cumulative Error |
± 1.5 dB over 70 dB range |
| Linear Accuracy |
± 3% of Reference Level |
| Spurious Responses |
| Second Harmonic Distortion |
> 70 dB below a -40 dBm signal (>1 MHz) with 0 dB input attenuation; > 60 dB
below for signals 20 kHz to 1 MHz |
| Third Order Intermodulation Distortion |
> 70 dB below two -40 dBm input signals (>1 MHz)
separated by ~ 50 kHz and
with 0 dB input attenuation; > 60 dB below for signals 10 kHz to 1 MHz |
| Image and Multiple Responses |
> 70 dB below a -40 dBm input signal (>1 MHz) with
0 dB input attenuation; > 60 dB below for signals 20 kHz to 1 MHz |
| Residual Responses |
< -100 dBm with 0 dB input attenuation and no signal
present at input |
| SWEEP CHARACTERISTICS |
| Sweep Time |
| Automatic |
sweeptime is automatically adjusted to maintain absolute
amplitude calibration for any combination of frequency span, resolution bandwidth, and
video filter bandwidth |
| Calibrated Sweep Times |
0.1 msec to 10 sec/div in 1, 2, 5 sequence with ± 10%
typical accuracy |
| Manual Sweep |
Spectrum Analyzer may be swept manually in either
direction with front panel control |
| SIGNAL INPUT CHARACTERISTICS |
| Input Impedance |
50
Ω nominal; type BNC female connector |
| Input SWR |
typically < 1.5 with 10 dB input attenuation |
| OUTPUT CHARACTERISTICS |
| Probe Power |
+ 15 V, -12.6 V, and GND (150 mA max). Use HP 1120A,
1121A, or 1124A high impedance probes. |
| Vertical Output, AUX A |
BNC output (50
Ω) provides
detected video from 0 to 0.8 V for 8 divisions deflection on CRT display |
| Penlift/Blanking, AUX B |
BNC output provides 0V pen down/unblanking signal at low
impedance; 15 V penlift/blanking at 10 kΩ
impedance |
| 21.4 MHz IF Output, AUX C |
BNC output (50
Ω) provides a signal which is proportional to the RF input. Level is
about -10 dBm (into 50 Ω)
with a signal displayed at the Reference Level. Output is controlled by settings of
Resolution BW, Input Atten, and Reference Level. |
| Horizontal Output, AUX D |
BNC output (5 kΩ) provides horizontal sweep from -5 V to +5V for full
10 division
CRT horizontal deflection. |
