Atec Agilent-E4421B-24B-32B-33B-35B-36B - Manual (Page 20)

20
Multichannel 3GPP
W-CDMA personality
(Option 100, ESG-DP and ESG-D series only)
(Specifications apply to 3GPP W-CDMA version 3.1 (12-99).
Provides partially coded data for component test applications.
Chip rates 3.84 Mchips/sec ± 10%
Frame duration
10 ms
Filters
W-CDMA α = 0.22
Nyquist, root Nyquist α = 0 to 1
Gaussian B
b
T = 0 to 1
IS-95
IS-2000
Custom FIR
Up to 256 coefficients, 16-bit
resolution
Rectangle
APCO 25 c4FM
Reconstruction filters
250 kHz, 2.5 MHz
8.0 MHz, and through
I/Q mapping Normal, invert
Clipping
Clip location Pre-or post-FIR filter
Clipping type |I+jQ|, |I| and |Q|
Clipping range 10% to 100%
(Clip the modulation level to a
percentage of full scale. A level
of 100% equates to no clipping.)
Downlink
Modulation QPSK
Pre-defined channel configurations (partially coded)
1 DPCH
3 DPCH
PCCPCH + SCH
PCCPCH + SCH + 1 DPCH
PCCPCH + SCH + 3 DPCH
Test Model 1 with 16, 32, or 64 DPCH
Test Model 2
Test Model 3
with 16 or 32 DPCH
User-defined channel parameters
Symbol rates 7.5, 15, 30, 60, 120, 240, 480, or 960
ksps
Number of channels Up to 512
Spreading code 0 to 511
Channel power 0 to –40 dB, 0.02 dB resolution
tDPCH offset 0 to 149
Scrambling code 0 to 511
Scramble types Standard, left alternate, right
alternate
Data pattern Random, 00 to FF (HEX), PN9
TPC power –20 to 20 dB relative to channel
power
TFCI field On /Off
TFCI value 0–1023
TFCI power –20 to 20 dB relative to channel
power
Pilot power –20 to 20 dB relative to channel
power
Pilot bits 4 or 8
Channel Types
(downlink) PICH, OCNS, PCCPCH, PSCH,SSCH
CPICH, DPCH
(uplink) DPCCH, DPDCH
Multicarrier
Number of carriers Up to 4 (user defined, individually
configurable)
Frequency offset (per carrier) Up to ±7.5 MHz
Offset resolution <1 Hz
Carrier power (per carrier) 0 dB to –40 dB
Uplink
Modulation OCQPSK (HPSK)
Pre-defined channel configurations (partially coded)
1 DPCCH 15 ksps, spread code 0
DPCCH 2 + 1 DPDCH 960 ksps, spread code 1
DPCCH 2 + 2 DPDCH 960 ksps, spread code 1
DPCCH 2 + 3 DPDCH 960 ksps, spread code 2
DPCCH + 4 DPDCH 960 ksps, spread code 2
DPCCH + 5 DPDCH 960 ksps, spread code 3
User-defined channel parameters
Symbol rates 15, 30, 60, 120, 240, 480, or 960 ksps
Number of DPDCH
channels 6
Spreading code 0 to 511, symbol rate
Scrambling code 1 to 1FFFFFFFFFF, common for all
channels
Second DPDCH
orientation I or Q
Channel power 0 to –60 dB
Data pattern Random, 00 to FF (HEX), PN9
FBI bits 0–2
Error vector magnitude
1.8 GHz
c
<2.2 GHz, default W-CDMA filters, 3.84 Mcps chip rate,
≤4 dBm, (≤7 dBm with Option UNB)
1 DPCH
2.3%, typical
Adjacent channel power 1,2
1.8 GHz
c
<2.2 GHz, default W-CDMA filters, 3.84 Mcps chip rate,
≤–2 dBm, (≤0 dBm with Option H99)
Electronic Mechanical Low ACP
attenuator attenuator (Option H99
(standard) (Option UNB) Rev B)
1 DPCH (–58 dBc) (–58 dBc) –65 (–67 dBc)
Test Model 1 (–50 dBc) (–55 dBc) –61 (–64 dBc)
+ 64 DPCH
Alternate channel power 1,2
1.8 GHz
≤-2 dBm (0 dBm with Option H99 and baseband filter ON)
Low ACP
(Option H99)
1 DPCH -70 (-73 dBc)
Test model 1 + 64 DPCH -66 (-68 dBc)
1. Parentheses denote typical performance.
2. Valid for 23 ± 5 °C.