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CHT3029-QEG Datasheet, PDF (2/12 Pages) United Monolithic Semiconductors – DC-31GHz 4Bit Digital Attenuator
CHT3029-QEG
DC-31GHz 4Bit Digital Attenuator
Electrical Characteristics
Tamb.= +25°C, V+ = +5.0V V-=-5.0V
Symbol
Parameter
Min
Typ Max Unit
Freq
Frequency range
DC
31 GHz
IL
Insertion Loss
@20GHz
@31GHz
4.0
dB
8.0
dB
S11
Input Return Loss
15
dB
S22
Output Return Loss
12
dB
P1dB
Input power at 1dB gain compression
20
dBm
Dyn
Dynamic
15
dB
LSB
Attenuator elementary step
1
dB
Att_err Attenuation error
-0.5
dB
+1
Succ_Att Attenuation error between 2 successive
states
+/-0.4
dB
Rms_att_err RMS attenuation error
0.5
dB
Phivar Phase variation
-5/+20
°
Rms_phivar RMS phase variation
8
°
Sw_t
Switching time
10
ns
V+
Positive supply voltage
5
V
V-
Negative supply voltage
-5
V
Vctrl_L Control voltage low level
0
0.4 V
Vctrl_H Control voltage high level
2.4
3.3/5
7V
I_V+
Positive supply DC current
5
mA
I_V-
Negative supply DC current
5
mA
Ictrl
Control DC current
0.1
mA
The measurement calibration planes are defined in the paragraph “Definition of the Sij
reference planes”.
Absolute Maximum Ratings (1)
Tamb.= +25°C
Symbol
Parameter
Values
Unit
V+
Maximum positive voltage
8
V
V-
Minimum negative voltage
-8
V
A1/A2/A3/A4 CTRL voltage (Vctrl _low, Vctrl _high)
-2 to 8
V
Pin
Maximum Input power
27
dBm
Ta
Operating temperature range
-40 to +85
°C
Tstg
Storage temperature range
-55 to +150
°C
(1) Operation of this device above anyone of these parameters may cause permanent
damage.
Ref. : DSCHT3029-QEG5357 - 23 Dec 15
2/12
Specifications subject to change without notice
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