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W3011 Datasheet, PDF (5/12 Pages) Agere Systems – 1 GHz Quadrature Modulator | |||
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Data Sheet
September 1999
W3011
1 GHz Quadrature Modulator
Electrical Characteristics (continued)
Table 5. ac Specifications
Conditions unless otherwise noted: 2.7 ⤠VCC ⤠3.3 Vdc; TA = 25 °C ± 3 °C; RL = 50 â¦, VAPC = 2.7 Vdc;
fRF = 900 MHz, fLOL = 130 MHz, fLOH = 1030 MHz, â15 dBm < PLOL, PLOH < â5 dBm;
I â I = 0.4 cos(2Ït Ÿ 80 kHz), Q â Q = 0.4 cos(2Ït Ÿ 80 kHz â Ï/2), Vbias of I, I , Q, and Q = 1.22 Vdc.
Parameter
Min Typ Max Unit
I&Q
I & Q Signal Path 0.5 dB Bandwidth
â
5
â
MHz
I & Q Input Resistance
â 200
â
kâ¦
I & Q Input Capacitance to Ground
â
5
â
pF
I & Q Input Differential Signal for Max Output
â
0.8
â
Vp-p
Offset Mixer
LOL Input Impedance
LOH Input Impedance
â
50
â
â¦
â
50
â
â¦
LO Input Impedance (pins LC1, LC2)
â 480//1 â
â¦//pF
LOL Input IP3
â
10
â
dBm
Modulation Accuracy (POUT = â1 dBm)
Carrier Suppression (POUT = â1 dBm)
â â35 â28 dBUSB
Carrier Suppression (entire usable APC range)
â
â
â26 dBUSB
Origin Offset (DQPSK inputs, all usable APC levels)
â
â
â23
dBc
Error Vector Magnitude (See Explanation of Error Vector Magnitude
(EVM) Testing section.)
â
2.5
5
%
Lower Sideband (LSB) Suppression (See Figure 3.)
â â43 â34 dBUSB
RF Output
Output Power (0.8 Vp-p differential or single-ended 80 kHz sine-wave
inputs to I and Q, with 90° between I and Q)
â1
3
â
dBm
Adjacent Channel Suppression (0.282 Vrms differential I and Q inputs,
Ï/4 â DQPSK modulation, random data):
Per PDC (RCR STD-27):
±50 kHz, All Usable APC Levels
±100 kHz, All Usable APC Levels
±100 kHz, Max RF Output (APC > 2.2)
Per IS-136/IS-137 800 MHz Digital Mode:
±30 kHz, All Usable APC Levels
±60 kHz, All Usable APC Levels
â â65 â55
dBc
â
â
â62
dBc
â â75 â65
dBc
â â45 â36
dBc
â â60 â50
dBc
Noise Floor Suppression, FC ± >100 kHz
â â120 â112 dBc/Hz
APC (Automatic Power Control) Function
Range of Usable Output Power Control for Japan PDC (RCR STD-27),
from Max Power at APC = 2.7 V to Minimum APC Voltage Where
Requirements for ACP and Carrier Suppression Are Still Met Using
Ï/4 â DQPSK/α = 0.5 Modulation at 0.282 Vrms Differential I and Q
Inputs:
Offset Mixer Not Used
Offset Mixer Used
29
40
â
dB
39
45
â
dB
Output Power Variation Due to Temperature, within Usable Control Range â
4
6
dB
RF Power Change Time (after APC change)
â
â
2
µs
APC Voltage for Max Output Power
â
2.2
â
Vdc
APC Voltage for Min Output Power
â
0.8
â
Vdc
Lucent Technologies Inc.
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