United Monolithic Semiconductors CHP2085-99F-00 Datasheet

S-band Phase Shifter / Switch

GaAs Monolithic Microwave IC

CHP2085

Description

The CHP2085 is a S-band monolithic
5 bits phase shifter / switch.
The circuit is manufactured with a
standard MESFET process : via holes
through the substrate, air bridges and
electron beam gate lithogr aphy.

It is supplied in chip form.

Main Features

■ Frequency range : 2.7 to 3.4GHz

■ 11.25° phase quantization

■ 27dB switch isolation

■ Chip size : 4,14 x 2,16 x 0,1mm

13

90° bit 45

14

Switch 22,5° bit 180° bit

1

Pin Out

1- RFout2 8- B4
2- P2 9- H4
3- P1 10- BH1
4- H8 11- GND
5- B8 12- B9
6- B2 13- RFin
7- H9 14- RFout1

° bit

11,25° bit

12
11
10

9
8
7
6
5
4
3
2

Main Characteristics

Tamb = +25°C

Symbol Parameter Min Max Unit

Fop Operating frequency rang e 2.7 3.4 GHz

PHIpp Phase shift precision peak to peak er r or 10 °

Il Insertion loss 12 dB

Is Isolation 27 dB

ESD Protections : Electrostatic discharge sensitive device observe handling precautions !

Ref. : DSCHP20850046 - 15-feb.-00 1/6 Specifications subject to change without notic e

United Monolithic Semiconductors S.A.S.

Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France

Tel. : [phone] - Fax : [phone]

CHP2085

S-band Phase Shifter / Switch

Electrical Characteristics

Tamb = +25°C

Symbol Parameter

Test

Conditions

Fop Operating frequency rang e 2.7 3.4 GHz

PHIpp Phase shift precision peak to peak er r or (1) 10 °

Il Insertion loss (1) 12 dB

Is Isolation (1) 27 dB

VSWRin Input VSWR (1) 2:1

VSWRout Ouput VSW R (1) 2:1

Pin1dB Pulsed Input power at 1dB increase loss (2) 23 dBm

Ips Phase shifter current (1) 5 mA

Min Max Unit

(1) Pin ≤ 0dBm, Low level control voltage = -4V, High level control voltage = 0V,
Vgi consistent with the Phase Schifter Control Interface table.
(2) These values are representative for pulsed on-wafer measurements

Absolute Maximum Ratings (1)

Tamb = +25°C

Symbol Parameter Values Unit

Vgi Phase shifter control voltage -8.0 V
Vpi Switch control voltage -8.0 V
Pin Maximum peak input power overdrive (2) +25 dBm

Top Operating temperature range -40 to +85 °C

Tstg Stor age temperature range -55 to +125 °C

(1) Operation of this device above anyone of these paramaters may cause permanent damage.
(2) Duration < 1s.
(1) Pin ≤ 0dBm

Switch Control Signal Interface

Switch command Bond pads

P1 P2

Rfin to RFout2 Low level High level
Rfin to RFout1 High level Low level

Ref. : DSCHP20850046 - 15-feb.-

00DSCHP20850046 - 15-feb.-00

Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE

Tel.: [phone] - Fax : [phone]

2/6 Specifications subject to change without notice