|
U2896B Datasheet, PDF (4/13 Pages) TEMIC Semiconductors – Modulation PLL for GSM, DCS and PCS Systems | |||
|
◁ |
U2896B
Electrical Characteristics (continued)
VS = 2.7 to 5.5 V, Tamb = â20°C to +85°C, final test at 25°C
Parameters
Test Conditions / Pin
Symbol
Min. Typ.
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Phase-frequency detector (PFD)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ PFD operation
fND = 600 MHz, N = 2
fPFD
50
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fRD = 600 MHz, R = 2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Frequency comparison fND = 600 MHz, N = 2
fFD
only 4)
fRD = 450 MHz, R = 2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ I/Q modulator baseband inputs I, NI & Q, NQ
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC voltage
Referred to GND
VI, VNI, VQ, VNQ 1.35 VS1/2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MD_IQ
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ AC voltage 5)
Frequency range
Referred to GND
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ AC voltage
Differential (preferres)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ I/Q modulator LO input MDLO
fIO
ACI, ACNI,
ACQ, ACNQ
ACDI, ACDQ
0
200
400
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MDLO
Frequency range
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input impedance
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input level
Active & standby
W 50- source
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ I/Q modulator outputs MDO, NMDO
fMDLO
ZMDLO
PMDLO
100
3
â14
â11
DC current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Internal pull-up resistor
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Voltage compliance
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MDO output level
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ (differential)
VMDO, VNMDO = VS
VMDO, VNMDO = VC
W 615 to VS 6)
1.5 pF external load
IMDO, INMDO
0.8
RMDO, RNMDO
615
VCMDO, VCNMDO VS â 0.7
PMDO
40
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Carrier suppression 6)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Sideband suppression 6)
IF spurious 6)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Noise 6)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Frequency range
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Mixer (900 MHz)
fLO ± 3 fmod
@ 400 kHz off carrier
CSMDO
SSMDO
SPMDO
NMDO
fMDO
â32
â35
â35
â40
â50
100
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ RF input level
900 MHz
P9RF
â23
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Output resistance
RMIXO, RNMIXO
650
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ LO-spurious at
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ RF/NRF port
@ P9MIXLO = â10 dBm
@ P9RF = â15 dBm
SP9RF
MIXLO input level
0.05 to 2 GHz
P9MIXLO
â22
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MIXO
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Output level 7) differen-
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tial
Frequency range
@ P9MIXLO = â15 dBm
fMIXO
P9MIXO
50
80
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Carrier suppression
@ P9MIXLO = â15 dBm
CS9MIXO
â20
Max.
300
400
VS1/2
+ 0.1
1
450
â5
5.5
60
â45
â115
450
â17
â40
â12
450
Unit
MHz
MHz
V
MHz
mVpp
mVpp
MHz
kW
dBm
mA
W
V
mVrms
dBc
dBc
dBc
dBc/Hz
MHz
dBm
W
dBm
dBm
MHz
mVrms
dBc
4) PFD can be used as a frequency comparator until 300 MHz for loop acquisition
5) Single-ended operation (complementary baseband input is AC-grounded) leads to reduced linearity
(degrading suppression of odd harmonics)
6) With typical drive levels at MDLO- & I/Q-inputs
7) â1 dB compression point C = 1.5 pF to GND
4 (13)
Rev. A1, 18-Sep-98
Preliminary Information
|
▷ |