HD155121F Datasheet, PDF (16/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

HD155121F
• PGA and IQ Demodulator specifications (terminated by 10 kΩ at IQ demodulator output)
Item
Mode Min
Typ Max Unit Test Condition
Input frequency
40
45
60
MHz
Gain range
—
98
—
dB
Gain linearity
–0.8 —
0.8
dB (in any 20dB window)
Gain step
—
2
—
dB
Noise figure 1
—
10.9 14
dB IF2 = 45MHz, bitNo46
Noise figure 2
—
21.2 24
dB IF2 = 45MHz, bitNo26
Noise figure 3
—
53.4 60
dB IF2 = 45MHz, bitNo6
Gain 1
47.0 51.5 56.0 dB IF2 = 45MHz, bitNo46
Gain 2
7.0
11.5 16.0 dB IF2 = 45MHz, bitNo26
Gain 3
–33.0 –28.5 –24.0 dB IF2 = 45MHz, bitNo6
i/p CP 1
–70.5 –66 —
dBm IF2 = 45MHz, bitNo46
i/p CP 2
–37
–34 —
dBm IF2 = 45MHz, bitNo26
i/p CP 3
–14
–11 —
dBm IF2 = 45MHz, bitNo6
IQ phase accuracy
—
0.2
1.0
deg. Baseband = 67.7kHz
IQ amplitude mismatch
—
0.1
0.5
dB Baseband = 67.7kHz
Output DC offset voltage
0
—
| 60 | mV | IOUT–IOUTB | and
| QOUT–QOUTB |
Load out = 10kΩ
IQ maximum output swing
(Single ended)
0.8
1.06 —
Vp-p
Baseband = 67.7kHz
IOUT, IOUTB,
QOUT, QOUTB
Load out = 10kΩ
I/Q common mode
output voltage
1.15 1.35 1.55 V
Note: 1. These values are not tested in mass production.
2. The loss (3.6 dB) of test circuit at PGA input is calculated.
Note
1
1
1
1
1, 2
1, 2
1, 2
2
2
2
2
2
2
2
16