8648B AGILENT TECHNOLOGIES, 8648B Datasheet - Page 12

• Manufacturer Part Number: 8648B
• Description: SIGNAL GENERATOR FREQUENCY / PULSE, 2GHZ
• Manufacturer: AGILENT TECHNOLOGIES

Specifications of 8648B

• Signal Generator Type: Signal
• Bandwidth: 2GHz
• Modulation Type: AM, FM, Phase
• Supply Voltage Range: 90V To 264V
• External Height: 165mm
• External Width: 330mm
• External Depth: 368mm
• Lead Free Status / RoHS Status: na

12
I/Q baseband generator
Digital communications standards
1. Specifications apply for the symbol rates, root raised cosine filter, filter factors (a or BbT) and default scaling factor specified for each standard, and at power levels
2. ACP for TETRA is measured over a 25 kHz bandwidth, with an 18 kHz root raised cosine filter applied at power levels +4 dBm ( +8 dBm, Option UNB).
3. The “channel spacing” determines the offset size of the adjacent and alternate channels: Adjacent channel offset = 1 x channel spacing,
4. TETRA ACP performance is typically < -69 dBc with Option H99 in continuous modulation mode.
5. Supports IS-54 and IS-136 traffic channels only.
Error vector magnitude
Global phase error
Supported burst types
Scramble capabilities
Deviation accuracy
Adjacent channel power
Channel spacing (kHz)
1st alternate channel = 2 x channel spacing, 2nd alternate channel = 3 x channel spacing, etc.
(Low ACP Mode, dBc, typical)
+7 dBm ( +10 dBm, Option UNB).
Low ACP mode (typical)
Low EVM mode
Low EVM mode (typical)
at adjacent channel
at 1st alternate channel
at 2nd alternate channel
at 3rd alternate channel
1
3
1
(rms/pk)
(kHz)
1
(% rms)
3
3
3
1
(ACP
)
Continuous
Continuous
Custom,
up/down TCH
- 35
- 79
- 82
- 83
0.7
0.4
1.0
NADC
N/A
N/A
30
(continued)
Burst
Burst
- 34
- 77
- 80
- 82
5
1.4
1.1
1.4
Continuous
Continuous
Custom,
up/down TCH,
up Vox
- 81
- 70
0.9
0.6
0.8
_
_
PDC
N/A
N/A
25
Burst
Burst
- 79
- 70
1.3
0.9
1.0
_
_
Continuous
Continuous
- 78
- 80
0.9
0.6
0.9
Custom,
TCH, sync
_
_
PHS
N/A
N/A
300
Yes
Burst Continuous Burst
Burst
- 78
- 79
1.0
0.8
0.9
_
_
Continuous
Custom,
up control 1 & 2
up normal,
down normal,
down sync
- 66
- 80
- 81
- 81
0.8
0.5
0.9
TETRA
4
N/A
N/A
Yes
25
Burst
- 63
- 78
- 80
- 80
1.7
1.3
1.5
2
Custom,
dummy B 1 & 2,
traffic B ,
low capacity
3 (2, typ)
DECT
1,728
N/A
N/A
N/A
Continuous
GSM (DCS, PCS)
Custom, nor m al,
FCorr, sync,
dummy, access
- 37
- 70
- 81
- 81
0.6 /2.2
0.3 /1.3 (typ)
200
N/A
N/A
Burst
- 37
- 70
- 79
- 80