Trilithic 8821Q Details
Trilithic 8821Q
Specifications
Frequency
| Range |
1 MHz to 1 GHz |
| Range |
1 kHz - 3 MHz in 1-3-10 seq |
| Accuracy |
± 15% |
| Video Bandwidths |
10 Hz to 1 MHz in 1-3-10 seq |
| Frequency Reference: Aging |
± 1 PPM per year |
| Frequency Reference: temperature stability |
± 2 PPM (0 to +50 oC) |
| Phase Noise |
> 90 dBc/Hz @ ± 10 kHz |
| Frequency counter |
Accuracy: ± 2 PPM, ± 1 count
Resolution: 1 Hz
|
Frequency Span
| Range |
0 Hz, 200 Hz to 1.0 GHz |
| Sweep Time Range |
20 μsec to 500 sec (span = 0 Hz)
30 msec to 500 sec (span > 0 Hz)
|
| Sweep Trigger |
Free Run, Single, Video, TV |
Amplitude
| Response flatness |
± 1.0 dB (1 MHz to 1.0 GHz) |
| Level Accuracy |
± 1.0 dB @ 20 oC |
| Impedance at RF Input |
75 Ω |
| Input return loss |
> 14 dB (> 10 dB attenuation) |
| Maximum safe input |
+ 68 dBmV, 100 VDC |
| DANL |
without preamp < -95 dBmV/Hz
with preamp (typical) < -115 dBmV/Hz
. |
| Noise figure |
14 dB |
| 2nd Harmonic Distortion |
< -68 dBc for +29 dBmV tone at input mixer |
| 3rd Order DIstortion |
< -68 dBc for two +29 dBmV tones at input mixer |
| Residual Responses |
< -55 dBmV |
| Vertical scale |
0.1 to 1.0 dB/div in 0.1 dB steps; 1 to 40 dB/div in 1 dB steps |
| Input attenuator |
0 to 55 dB in 5 dB steps |
| Internal callibrator |
150 MHz at +28.7 dBmV, ± 0.5 dB |
Visual and Aural Carrier Levels
| High speed channel scan |
50 channels ≈ 1 minute |
| Multi-channel mode |
variable up to 8 channels |
| Single channel mode |
with spectrum display |
| Tuning range |
5 MHz to 1.0 GHz |
| TV channel amplitude range |
-40 dBmV to +65 dBmV, ± 1.0 dB for S/N > 30 dB |
| Visual/Aural Delta Amplitude |
± 1.0 dB for S/N > 30 dB |
TV Visual Frequency
FM Deviation
| Range |
100 kHz |
| Accuracy |
± 2 kHz, 1 to 80 kHz; ± 3 kHz to 100 kHz |
Hum Modulation
| Modes |
CW or Modulated |
| Range |
1% to 20% |
| Accuracy |
± 0.5% from 1 to 5%; ± 1% from 5 to 20% |
Cross Modulation
| Range |
-45 dB to -65 dB |
| Accuracy |
± 0.5% from 1 to 5%; ± 1% from 5 to 20% |
Depth of Modulation
| AM Range |
40% to 95% |
| Accuracy |
± 1.5% (C/N > 40 dB) |
| Signal type |
Use VITS line with white reference |
In-Channel Response
| Signal type |
Multiburst or GCR VITS signal |
Carrier-to-Composite Noise
| Optimum input range |
> +5 dBmV |
| Maximum C/N |
55 dB with ± 2 dB accuracy; 60 dB with ± 3 dB accuracy |
CSO/CTB
| Optimum input range |
> +5 dBmV |
| Maximum |
63 dBc with ± 1.5 dB accuracy; 70 dBc with ± 4.0 dB accuracy |
Average channel power
| Amplitude range |
-30 to +60 dBmV |
| Accuracy |
± 1.0 dB |
| Channel bandwidth range |
200 kHz to 200 MHz |
Digital Modulation
| Modulation format |
QPSK, 16, 32, 64, 128, 256QAM; ITU-T J.83 Annex A, B and C |
| Symbol rates |
1 to 7 MSPS |
| interleave capability |
Up to 128 x 4 in Annex B; 12 x 17 in Annex A and C |
| Constellation display |
Full constellation with zoom Full constellation with zoom |
| Adaptive equalizer display |
8 FFE taps, 24 DFE taps |
Modulation error ratio (MER)
| Range |
22 to 40 dB |
| Accuracy |
± 0.5 dB 22 to 30 dB; ± 1.0 dB 30 to 35 dB; ± 1.8 dB 35 to 40 dB |
Error vector magnitude (EVM)
Bit error ratio (BER) (before and after R-S decoding)
|
Range
user-selectable time period
|
1.0 x 10-9 to 2.0 x 10-3 |
Power
| Battery Type |
14.4V @ 6 Ah LiIon |
| Run Time |
> 2.5 hours > 2.5 hours |
| Charge Time |
< 6.0 hours |
| Charger Type |
External AC adaptor |
Data management and storage
| Channel plans |
NTSC, PAL and Custom |
Mechanical
| Size (W x H x D) |
340mm x 160mm x 350mm , 13.4" x 6.3" x 13.8" |
| Weight |
9 kg, 19.8 lbs |
Environmental
| Operating Temperature |
0 to +50 C |
| Non-operating |
-20 to +55 C |
Cross modulation
| Range |
60dB, usable to 65dB |
| Resolution |
0.1 dB |
| Accuracy |
± 2.0 dB for xmod. < 40 dB, C/N > 40 dB;
± 2.6 dB for xmod.
< 50 dB, C/N > 40 dB; ± 4.6 dB for xmod.
< 60 dB, C/N > 40 dB
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 Trilithic 8821Q datasheet & specifications
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