CHP4511
RoHS COMPLIANT
6-18GHz Phase-shifter
GaAs Monolithic Microwave IC Description
The CHP4511 is a 4-bit digital phaseshifter with an output single pole double through (SPDT) switch. It is designed for 6 to 18GHz frequency range applications. The backside of the chip is both RF and DC grounded. The circuit is manufactured with a Power PHEMT process, 0.25µm gate length, via holes through the substrate, air bridges and electron beam gate lithography. It is available in chip form. Main Features
_ A _ C _ D E
O/I 1 I/O 180° 90° 45° 22.5° O/I 2 _ B _ E
A
Typical on wafer measurements
n n n n n n n n
Broadband performances : 6-18GHz 22.5° phase step Losses < 15dB 22dBm input power at -1dBc. I/O reversible. Adaptative SPDT 0/-5V control voltage Chip size : 4.62 x 3.0 x 0.1 mm
dB(S21) for 16 states
dB(S11)and dB(S22) for 16
Main Characteristics
Tamb. = 25°C Parameter
Fop G Poi1 Vctrl Operating frequency range Small signal gain Output power at 1dB compression Voltage control -5
Min
6 -15
Typ
Max
18 -7
Unit
GHz dB dBm
10 0
V
ESD Protection : Electrostatic discharge sensitive device. Observe handling precautions !
Ref. : DSCHP45116216 - 04 Aug 06 1/8 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHP4511
Electrical Characteristics
6-18GHz Phase-shifter
Low level control voltage = -5V, High level control voltage = 0V Pin = 5 dBm on the input, output on SPDT 1 or 2 Parameter
Fop Operating frequency range Phrange Phase shifter range Phstep S11 S22 S22off IL ISO AV Pio1dB Poi1dB Phase step Input reflection coefficient Output reflection coefficient Output reflection coefficient path OFF Insertion loss Isolation between Output 1 and 2 Amplitude variation Output Power @1dB compression Output Power @1dB compression In => out1 or 2 out1 or 2 => in 6 to 14GHz 15 to 18GHz 25
Tamb = +25°C typ.
to 22.5 -6 -7 -15 13 15 35 -1.5 / +2.5 10 12
Conditions
Min
6 0
Max
18 360
Unit
GHz deg. deg dB dB dB dB dB dB dBm dBm
Parameter
Conditions
state 22.5° state 45° state 90° state 180°
average
22.5° ±5 45° ±5 90° ±5 180° ±10
std dev
< 3° < 6° < 6° < 6°
pk to pk
±6° / average ±10° / average ±10° / average ±10° / average
Unit
PPE
Peak Phase Error
deg
Peak Phase Error (PPE) definition: PPE(i) =measured_phase(S21) (i) – measured_phase(S21) (0) – theoretical_phase(i) (i) = state ∈ [0,15] Amplitude variation (AV) definition: AV(i) = measured_dB(S21) (i) – measured_dB(S21) (0) (i) = state ∈ [0,15]
Absolute Maximum Ratings
Tamb = +25°C Operation of this device above anyone of these paramaters may cause permanent damage. Symbol
Vgi Pin Top Tstg
Parameter
Phase shifter control voltage Maximum peak input power overdrive (1) Operating temperature range Storage temperature range
Values
-7 to +0.6 +30 -40 to +70 -55 to +125
Unit
V dBm °C °C
(1) duration < 1s.
Ref. : DSCHP45116216 - 04 Aug 06 2/8 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
6-18GHz Phase-shifter
Phase Shifter Control Interface
The 4-bit phase shifter is controlled by 5 voltages:
State 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 TOTAL PHASE SHIFT 0° 22.5° 45° 67.5° 90° 112.5° 135° 157.5° 180° 202.5° 225° 247.5° 270° 292.5° 315° 337.5° _ D 25° 0 -5V 0 -5V 0 -5V 0 -5V 0 -5V 0 -5V 0 -5V 0 -5V _ C 45° 0 0 -5V -5V 0 0 -5V -5V 0 0 -5V -5V 0 0 -5V -5V _ B 90° 0 0 0 0 -5V -5V -5V -5V 0 0 0 0 -5V -5V -5V -5V A 180° -5V -5V -5V -5V -5V -5V -5V -5V 0 0 0 0 0 0 0 0
CHP4511
_ A 180° 0 0 0 0 0 0 0 0 -5V -5V -5V -5V -5V -5V -5V -5V
The SPDT switch allows to choice one of the output path:
SPDT Control E 0 -5V _ E -5V 0 Output Selected
O/I 1 O/I 2
Ref. : DSCHP45116216 - 04 Aug 06
3/8
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHP4511
6-18GHz Phase-shifter
Typical on wafer [S] measurements at +25°C
Peak phase error versus frequency for all states
Peak phase error versus states 6GHz< frequency < 18GHz
Amplitude variation versus frequency for all states
Amplitude variation versus states 6GHz< frequency < 18GHz
dB(S21) versus frequency for all states
dB(S21) versus states 6GHz< frequency < 18GHz
Ref. : DSCHP45116216 - 04 Aug 06
4/8
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
6-18GHz Phase-shifter
CHP4511
dB(S11) versus frequency for all states
dB(S11) versus states 6GHz< frequency < 18GHz
dB(S22) versus frequency for all states
dB(S22) versus states 6GHz< frequency < 18GHz
dB(S21) for path OFF: in => out1, state 0
Gain and output power at 12GHz (input to output1) (20 samples)
Ref. : DSCHP45116216 - 04 Aug 06
5/8
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHP4511
Chip Assembly and Mechanical Data
A C D
6-18GHz Phase-shifter
E
Out/In 1
In/Out In/Out
Out/In 2
A
B
E
Note : 25µm diameter gold wire is recommended
Bonding pad positions. (Chip thickness : 100µm.all dimensions are in micrometers)
Ref. : DSCHP45116216 - 04 Aug 06 6/8 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
6-18GHz Phase-shifter
CHP4511
Ref. : DSCHP45116216 - 04 Aug 06
7/8
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CHP4511
6-18GHz Phase-shifter
Ordering Information
Chip form : CHP4511-99F
Information furnished is believed to be accurate and reliable. However United Monolithic Semiconductors S.A.S. assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of United Monolithic Semiconductors S.A.S.. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. United Monolithic Semiconductors S.A.S. products are not authorised for use as critical components in life support devices or systems without express written approval from United Monolithic Semiconductors S.A.S
Ref. : DSCHP45116216 - 04 Aug 06 8/8 Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
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