HD155121F Datasheet, PDF (15/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems

HD155121F
• Mixer2 specifications
Item
Mode Min Typ Max Unit Test Condition
Frequency (IF1)
200 225 300 MHz
Frequency (LO2)
240 270 360 MHz LO2 = IFLO/2
Frequency (IF2)
40
45
60
MHz
IFLO input level
–10 —
—
dBm
Conversion gain 1
10.5 13.0 15.5 dB IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
Conversion gain 2
–5.5 –3.0 –0.5 dB IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
Noise figure 1
—
6.0 7.5 dB IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
Noise figure 2
—
12.0 13.5 dB IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
3rd order input
intercept point 1
–15.0 –13.0 —
dBm IF1 = 225.8MHz, IF2 = 226.6MHz,
LO = 540MHz, 2ndIF = 45MHz
3rd order input
intercept point 2
–11.0 –9.0 —
dBm IF1 = 225.8MHz, IF2 = 226.6MHz,
LO = 540MHz, 2ndIF = 45MHz
3rd order output
intercept point 1
–2.0 0.0 —
dBm IF1 = 225.8MHz, IF2 = 226.6MHz,
LO = 540MHz, 2ndIF = 45MHz
3rd order output
intercept point 2
–14.0 –12.0 —
dBm IF1 = 225.8MHz, IF2 = 226.6MHz,
LO = 540MHz, 2ndIF = 45MHz
1dB input
compression point 1
–24.0 –22.0 —
dBm IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
1dB input
compression point 2
–21.0 –19.0 —
dBm IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
1dB output
compression point 1
–12.0 –10.0 —
dBm IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
1dB output
compression point 2
–24.0 –22.0 —
dBm IF1 = 225MHz, IFLO = 540MHz, IF2 = 45MHz
Isolation
50
—
—
dB between Mixer1 output and Mixer2 input
Note: 1. These values are not tested in mass production.
2. The loss (3.6 dB) of test circuit at Mixer2 output is calculated.
Note
1
1
1
2
2
1, 2
1, 2
1, 2
1, 2
1, 2
1, 2
2
2
1, 2
1, 2
1, 2
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