Atec Keithley-2820 - Manual (Page 10)

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MoDEL 2820-cDMa2000-R: Reverse Link Signal
analysis Personality (carrier ≤2.5GHz)
ChAnnel power: Measurement range: +33dBm to –70dBm (typical)
Accuracy (1.2288Mhz bw): ±0.6dB (typical).
FrequenCy error: Frequency error Measurement range: ±3kHz (typical).
Frequency error Accuracy: ±10Hz (typical).
rho ( ρ): range: 0.7–1.0 (typical).
Ceiling: > 0.9995.
Accuracy: ±0.005 (for ρ values >0.9).
Code doMAin power:
relative accuracy, for code channels ≥–20db of total power: ±0.3dB (typical).
AdjACent ChAnnel power 1 :
dynamic range: 70dBc @ 885kHz offset (typical). 82dBc @1980kHz offset (typical).
relAtiVe ACCurACy: ±0.5dB typical.
oCCupied bAndwidth: Frequency Accuracy: ±5kHz (typical).
SpeCtruM eMiSSionS MASk
1 : Accuracy relative to Carrier power: <0.5dB.
diSplAyS: Code domain power, adjacent channel power with limits, occupied bandwidth with
limit lines, conducted spurious emissions with limits.
1. Carrier power at RF input ≥–10dBm. Does not include level uncertainty due to inherent noise.
MoDEL 2820-wcDMa-U: Uplink Signal analysis
Personality (carrier = 1800MHz–2200MHz)
ChAnnel power: Measurement range: +33dBm to –60dBm (typical).
Accuracy (3.84Mhz bw): ±0.6dB (typical).
FrequenCy error: Frequency error Measurement range: ±3kHz (typical).
Frequency error Accuracy: ±10Hz (typical).
rMS eVM: range: 0%–25% (typical). Floor: 1.9% (typical). Accuracy: ±2%.
Code doMAin power:
relative Accuracy, for code channels ≥–20db of total power: ±0.3dB.
AdjACent ChAnnel power 1 : dynamic range: 63dBc @ 5MHz offset (typical).
69dBc @ 10MHz offset (typical).
relAtiVe ACCurACy: ±0.5dB (typical).
oCCupied bAndwidth: Frequency Accuracy: ±20kHz (characteristic).
SpeCtruM eMiSSionS MASk
1 : Accuracy relative to Carrier power: <1.5dB (characteristic).
diSplAyS: Code domain power, adjacent channel power with limits, occupied bandwidth with
limit lines, spectrum emissions with limits.
1. Carrier power at RF input ≥–10dBm. Does not include level uncertainty due to inherent noise.
MoDEL 2820-wcDMa-D: Downlink Signal analysis
Personality (carrier = 1800MHz–2200MHz)
ChAnnel power: Measurement range: +33dBm to –60dBm (typical).
Accuracy (3.84Mhz bw): ±0.6dB (typical).
FrequenCy error: Frequency error Measurement range: ±3kHz (typical).
Frequency error Accuracy: ±10Hz (typical).
rMS eVM: range: 0%–25% (typical). Floor: 1.9% (typical). Accuracy: ±2%. Symbol eVM 1 : 0.25%.
Code doMAin power:
relative Accuracy, for code channels ≥–20db of total power: ±0.3dB.
AdjACent ChAnnel power 2 : dynamic range: 63dBc @5MHz offset (typical).
69dBc @10MHz offset (typical).
relAtiVe ACCurACy: ±0.5dB (typical).
oCCupied bAndwidth: Frequency Accuracy: ±20kHz (characteristic).
SpeCtruM eMiSSionS MASk
2 : Accuracy relative to Carrier power: <1.5dB (characteristic).
diSplAyS: Code domain power, adjacent channel power with limits, occupied bandwidth with
limit lines, spectrum emissions with limits.
NoTES
1. Valid for CPICH only signal.
2. Carrier power at RF input
≥–10dBm. Does not include level uncertainty due to inherent noise.
MoDEL 2820-80211: wireless LaN
Signal analysis Personality
cHaNNEL PowER
MeASureMent rAnge:
Carrier Frequency 2.4ghz: +33dBm to –60dBm (typical).
Carrier Frequency 4.9 and 5.8ghz: +15dBm to –60dBm (typical).
ACCurACy: oFdM 20Mhz: ±0.85dB (typical).
oFdM 40Mhz: ±0.85dB (typical).
dSSS/CCk: ±0.85dB (typical).
FREQUENcY ERRoR
MeASureMent rAnge: oFdM: ±312kHz.
dSSS/CCk: ±100kHz.
ACCurACy: ±10Hz (typical).
rMS eVM Floor
1 , typical (Characteristic):
802.11a: –38dB (–41.9dB) @ 5.8GHz.
802.11g: –41dB (–44.8dB) @ 2.4GHz.
802.11j: –38dB (–41.9dB) @ 4.9GHz.
802.11n 20Mhz
2 : –40dB (–44.1dB) @ 2.4GHz.
–36dB (–41.0dB) @ 5.8GHz.
802.11n 40Mhz 2 : –35dB (–40.3dB) @ 5.8GHz.
802.11b: –44dB @ 2.4GHz.
ChAnnel FlAtneSS MASk MArgin:
oFdM 20Mhz: 1.4dB (typical) at 2.4 and 5.8GHz.
oFdM 40Mhz: 1.0dB (typical) at 5.8GHz.
NoTES
1. Applies when input signal is above –20dBm, with Expected Channel Power set equal to input power.
2. Measuring 802.11n MIMO signals can degrade the EVM floor by as much as 3dB.
2820 RF Vector Signal Analyzer
400MHz to 4GHz or 6GHz