HD155101BF Datasheet, PDF (18/50 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems

HD155101BF
• Specifications of IQ Modulator and Offset PLL
(RFLO and IFLO signals are supplied by Signal Generator)
Item
Min Typ Max
Unit
Frequency (RF)
880
902
915
MHz
Frequency (LO)
1055 1172 1260 MHz
Frequency (IF)
(120) 135
(180) MHz
Power up time
—
0.3
(0.5)
µsec
Lock up time
—
20
(80)
µsec
Carrier suppression ratio
31
40
—
dBc
Upper side-band
suppression ratio
35
45
—
dBc
Phase accuracy
—
0.94 (2.5) deg. rms
(PN9, GMSK)
—
2.27 (6.0) deg. peak
Modulation spurious
—
–36.5 (–33.0) dBc
(PN9, GMSK)
—
–70.0 (–63.0) dBc
—
–74.0 (–63.0) dBc
—
–77.0 (–66.0) dBc
—
–80.5 (–68.0) dBc
—
–82.0 (–74.0) dBc
Tx noise in RX band
—
–157 (–151) dBc/Hz
(Tx power = 0dBc = 30dBm) —
–165 (–163) 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 915MHz
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
925MHz to 935MHz (10MHz up from Tx band)
935MHz to 960MHz (20MHz up from Tx band)
|IIN – IINB| and |QIN – QINB|