HD155111F Datasheet, PDF (18/44 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for PCN Cellular Systems

HD155111F
• Specifications of BRIGHT IQ Modulator and Offset PLL
Item
Min Typ Max
Unit
Frequency (RF)
1710 1747 1785 MHz
Frequency (LO)
1530 1612 1665 MHz
Frequency (IF)
(120) 135
(180) MHz
Power up time
—
0.3
(0.5)
µsec
Lock up time
—
20
(80)
µsec
IFLO input level
–10
—
—
dBm
VCOIN input level
–10
—
—
dBm
Carrier suppression ratio
31
40
—
dBc
Upper side-band
suppression ratio
35
45
—
dBc
Phase accuracy
—
0.98 (2.5) deg. rms
(PN9, GMSK)
—
2.74 (6.0) deg. peak
Modulation spurious
—
–36.0 (–33.0) dBc
(PN9, GMSK)
—
–68.5 (–63.0) dBc
—
–73.0 (–63.0) dBc
—
–73.5 (–66.0) dBc
—
–75.5 (–68.0) dBc
—
–77.0 (–74.0) dBc
Tx noise in RX band
—
–156 (–153) dBc/Hz
(Tx power = 0dBc = 30dBm) —
–162 (–153) dBc/Hz
Isolation of the 1st local
(40) 43
—
dB
input to TXVCO input
IQ differential input swing
—
2.0
(2.4) Vp-p
I/Q common mode input
voltage
(0.8) 1.0
(1.2) V
Note: ( ) : These data are actual spread, not guaranteed.
Test Conditions (Loop bandwidth = 1.4MHz)
from PS mode
from PS mode to 1880MHz
All ‘1’ GMSK (Baseband = 67.7kHz)
I/Q differential input swing = 2.0Vp-p
I/Q common mode input voltage = 1.0V
200kHz Bandwidth
200kHz Bandwidth
200kHz offset / 30kHz Bandwidth
400kHz offset / 30kHz Bandwidth
600kHz to 1.8MHz offset / 30kHz Bandwidth
1.8MHz to 3MHz offset / 100kHz Bandwidth
3MHz to 6MHz offset / 100kHz Bandwidth
6MHz upwards offset / 100kHz Bandwidth
1805MHz to 20MHz up from Tx band
1850MHz to 65MHz up from Tx band
|IIN – IINB| and |QIN – QINB|