Atec Keithley-2820 - Manual (Page 9)

www.keithley.com
1.888.KEITHLEY
(U.S. only)
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2820 RF Vector Signal Analyzer
400MHz to 4GHz or 6GHz
GSM aND GPRS PowER aND MoDULaTIoN QUaLITY
ChAnnel power:
Measurement range: +33dBm to –30dBm (typical).
Accuracy: ±0.6dB (typical).
phASe And FrequenCy error:
Frequency error Measurement range: ±50kHz (typical).
Frequency error Accuracy: ±10Hz (typical).
rMS phase error Measurement range: 0°–10° (typical).
rMS phase error Accuracy: <±1°.
peak phase error Measurement range
1 : 0°–25° (typical).
peak phase error Accuracy 1 : ±2°.
phase error Floor: RMS: 0.35°. Peak: 1.0°.
tiMe MASk ConForMAnCe:
Sampling resolution: 0.615µs (1/6 bit).
Accuracy Along burst peak: 0.25dB.
outputs: Pass/fail, complete burst with upper and lower mask limit lines.
GSM aND GPRS oUTPUT RF SPEcTRUM 2
orFS due to ModulAtion: Dynamic range (dBc):
offset Frequency
(kHz)
carrier Frequency Fc (typical in parentheses)
400MHz ≤ Fc ≤ 1GHz 1GHz < Fc ≤ 2GHz
200 34 (35) 34 (35)
250 39 (40) 39 (40)
400 67 (68) 63 (65)
600 73 (74) 69 (70)
1200 78 (79) 75 (76)
1800 3 74 (75) 70 (72)
relative Accuracy: ±0.7dB typical.
orFS due to SwitChing: Dynamic range:
offset Frequency
(kHz)
carrier Frequency Fc (typical in parentheses)
400MHz ≤ Fc ≤ 1GHz 1GHz < Fc ≤ 2GHz
400 66 (67) 63 (64)
600 72 (73) 68 (70)
1200 77 (78) 75 (79)
1800 78 (79) 76 (77)
relative Accuracy: ±0.7dB typical.
displays: Power vs. time with time mask, ORFS due modulation, ORFS due to switching, phase
error vs. time, symbols vs. time
NoTES
1. Average of peak from each burst.
2. Nominal carrier power at RF input
≥–10dBm. Does not include level uncertainty due to inherent noise.
3. 1800kHz offset measured using 100kHz RBW. All other offsets measured using 30kHz RBW.
EDGE PowER aND MoDULaTIoN QUaLITY
ChAnnel power:
Measurement range: +33dBm to –30dBm (typical).
Accuracy: ±0.6dB (typical).
FrequenCy error:
Frequency error Measurement offset: ±50kHz (typical).
Frequency error Accuracy: ±10Hz (typical).
eVM:
rMS Measurement range: 0–15% (typical).
rMS Floor:
≤0.5%.
origin offset range: –20dBc maximum (typical).
rMS Accuracy: ±0.5%
tiMe MASk ConForMAnCe:
Sampling resolution: 0.615µs (1/6 bit) (typical).
Accuracy Along burst peak: ±0.25dB (typical).
outputs: Pass/fail, complete burst with upper and lower mask limit lines.
EDGE oUTPUT RF SPEcTRUM 1
orFS due to ModulAtion: Dynamic range, dB:
offset Frequency
(kHz)
carrier Frequency Fc (typical in parentheses)
400MHz ≤ Fc ≤ 1GHz 1GHz < Fc ≤ 2GHz
200 36 (38) 36 (37)
250 40 (41) 40 (41)
400 66 (68) 63 (65)
600 72 (73) 69 (70)
1200 75 (76) 75 (76)
1800 2 71 (72) 71 (72)
relative Accuracy: ±0.7dB typical.
orFS due to SwitChing: Dynamic range, dB:
offset Frequency
(kHz)
carrier Frequency Fc (typical in parentheses)
400MHz ≤ Fc ≤ 1GHz 1GHz < Fc ≤ 2GHz
400 65 (67) 62 (64)
600 70 (72) 68 (69)
1200 74 (75) 74 (75)
1800 75 (76) 75 (76)
relative Accuracy: ±0.7dB typical.
displays: Power vs. time with time mask, ORFS due modulation, ORFS due to switching, EVM
vs. time, symbols vs. time, constellation.
NoTES
1. Nominal carrier power at RF input ≥–10dBm. Does not include level uncertainty due to inherent noise.
2. 1800kHz offset measured using 100kHz RBW. All other offsets measured using 30kHz RBW.
2820-GSM GSM, GPRS, and EDGE Signal analysis Personality (carrier ≤2.5GHz)