CHV2270
Fully Integrated Ku-band HBT VCO
Low cost / High linearity
GaAs Monolithic Microwave IC
Description
The CHV2270 is a multifunction for frequency
generation. It integrates a C-band balanced
voltage controlled oscillator providing a Ku-
band output (2
nd
harmonic), with different
modulation slopes control and other functions
like linearity improvement device making it
suitable for radar modulations. It also includes a
dual rank prescaler, an adjustable medium
power amplifier and a temperature sensor.
The VCO is fully integrated on HBT process.
On chip base-collector diodes are used as
varactors. All the active devices are internally
self biased to ease bias configuration. This chip
is compatible with automatic equipment for
assembly.
The circuit is manufactured on HBT process
2µm emitter length, via holes through the
substrate and high Q passive elements.
It is available in chip form.
Vmt
Vft
Vct
SETN
GLIN
+V
SETHP
6.375GHz
RF_OUT
x2
12.75GHz
÷
N
VCO HBT
PresN_OUT
Vtemp
VCO multifunction block diagram
Main Features
-40° to +125° temperature range
C
C
Low temperature dependence
Fully integrated VCO architecture
Prescaler by up to F_out/128
Low phase noise
Low cost / high linearity oriented
Adjustable output power
Temperature sensor
Very simple bias configuration
Low DC power consumption
Automatic assembly oriented
SiNx layer protection
Chip size: 1.38 x 2.05 x 0.1mm
Typical VCO F_out(Vct) tuning (GHz)
12,8
12,75
F_out (GHz)
12,7
12,65
12,6
0,0
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
4,5
Typical free running VCO F_out(Vmt) tuning
Main Characteristics
Tamb = +25°
C
Symbol
F_out
PN
Pout
Parameter
Specified output frequency range
Phase noise @ F_out and 100kHz offset
Output power
Min
12.65
Typ
12.75
-100
5 or 14
Max
12.85
Unit
GHz
dBc/Hz
dBm
Ref.: DSCHV22707117 -27 Apr 07
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
CHV2270
Electrical Characteristics
Full temperature range
Ku-band HBT VCO
Symbol
F_out
Parameter (1)
Min
Typ
12.75
5 (2)
1.5:1
0.75
250
2
Max
12.85
8
2.5:1
Unit
GHz
dBm
RF_OUT frequency for guaranteed
12.65
specifications
Output power at RF_OUT port on load
P_out
1
VSWR
≤
1.5:1 (2)
VSWR_out
RF_OUT port VSWR on 50Ω load
P_out linearity over 200MHz within
P_out_Lin
F_out range
Maximum variation of F_out over
∆F_tune(T)
temperature
Vct_F_tune
Coarse tuning total frequency range
0.5
Fine tuning frequency range with
Vft_F_tune
3
guaranteed specifications
Medium tuning frequency range with
Vmt_F_tune
guaranteed specifications
Vct_V_tune
Coarse tuning voltage range
0.5 - 4.3
Vft_V_tune
Fine tuning voltage range
2-4
Vmt_V_tune
Medium tuning voltage range
Vct_I
Coarse tuning port current
Vft_I
Fine tuning port current
Vmt_I
Medium tuning port current
Vct_F_slope
Coarse tuning frequency slope
200
Fine tuning frequency slope within
Vft_F_slope
-10
Vft_F_tune (3)
Maximum variation of Vft_F_slope over
0
∆Vft_F_slope(T)
Top range [+30°
C;+110° (3)
C]
Medium tuning frequency slope within
Vmt_F_slope
-40
Vmt_F_tune
Maximum variation of Vmt_F_slope
0
∆Vmt_F_slope(T)
over Top range [+30°
C;+110° (4)
C]
Fine tuning linearity over 200kHz within
Vft_Lin
-5
Vft_F_tune (3)
Medium tuning linearity over 33MHz
Vmt_Lin1
within Vmt_F_tune (3)
Medium tuning frequency range with
Vmt_Lin2
+/-1% linearity within Vmt_F_tune
Fine tuning modulation 3dB cutoff
frequency within Vft_F_tune
Vft_Mod3dB
5
@ d(Vct_V)/dt=0
Medium tuning modulation 3dB cutoff
frequency within Vmt_F_tune
Vmt_Mod3dB
10
@ d(Vct_V)/dt=0
Frequency pulling versus RF_OUT port
P_VSWR
load @ VSWR = 2.5:1 (2)
Frequency pushing versus supply
P_V+
0
voltage
F_out Phase noise @ 10kHz
PN
@ 100kHz
@ 1MHz
Amplitude noise (SSB) @ 10kHz
AN
@ 100kHz
@ 1MHz
Ref.: DSCHV22707117 -27 Apr 07
2/8
dBpp
500
MHz
GHz
MHz
70
0.5 – 4.5
0 – 4.5
0 – 4.5
0.5
0.5
3
700
-2.5
+/-10
-20
-10
-20
<0.05
+/-1 (3)
33
+5
MHz
V
V
V
mA
mA
mA
MHz/V
MHz/V
%
MHz/V
%
%
%
MHz
MHz
1.5
375
-5
20
0.25
35
-75
-100
-123
-145
-156
-167
70
-65
-90
-113
-135
-146
-157
MHz
MHz pp
MHz/V
dBc/Hz
dBc
Specifications subject to change without notice
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
Ku-band HBT VCO
Hn_Rej
Pres_Rej
Pres_N
Pres_F
Pres_P
Pres_L
Pres64_PN
RF_OUT VCO harmonics rejection
RF_OUT prescaler spurious rejection
Prescaler rank
Prescaler
PRESN
ports
output
frequency
Output power on PRESN ports
PRESN ports load
Prescaler rank 64 phase noise:
@ 10kHz
@ 100kHz
@ 1MHz
Temperature sensor port voltage
@ +25°
C
Temperature sensor port voltage slope
over Top
Temperature sensor port load
Positive supply voltage (Pads (VD1 xor
VD2) and (VA1 xor VA2))
Positive supply current (Pads (VD1 xor
VD2) and (VA1 xor VA2)) (2&5)
Operating temperature range
10
45
CHV2270
20
65
N=4 or 64
F_out/(2*Pres_N)
-3
0
100
-117
-142
-165
1.15
-1.2
47k
+4.4
+4.5
150
-40
25
+4.6
210
+125
1.35
-1
-107
-130
-150
1.55
-0.8
dBc
dBc
GHz
dBm
Ω
dBc/Hz
Vtemp_V
Vtemp_S
Vtemp_L
+V
+I
Top
V
mV/°
C
Ω
V
mA
°
C
Symbol
Parameter (1)
Min
Typ
Max
Unit
(1) IMPORTANT: Fine and medium tuning port must not be used together.
Fine or medium tuning port specifications are guaranteed when respectively medium or fine
tuning port is high impedance.
(2) In low power mode. See “VCO setting matrix” for 14dBm P_out (+I increase < 80mA in high
power mode).
(3) Pad “GLIN” set to “open”.
(4) Pad “GLIN” set to “GND”.
(5) SET4 set to “GND” and SET64 set to “OPEN” (+I increase < 20mA when N=64).
Ref. : DSCHV22707117 -27 Apr 07
3/8
Specifications subject to change without notice
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
CHV2270
Absolute Maximum Ratings
(1)
Symbol
+V
VTx
+I
Tstg
Ku-band HBT VCO
Parameter
Positive supply ports voltage
Tuning ports voltage
Positive supply current (N=4 & low power)
Storage temperature range
Values
+5
0 to +5
250
-55 to +150
Unit
V
V
mA
°
C
(1) Operation of this device above anyone of these parameters may cause permanent damage.
CAUTION:
ESD Protections: Electrostatic discharge sensitive device,
observe handling and assembly precautions !
VCO Setting Matrix
Sufficient conditions
Symbol
P_out
Parameter
Output power at RF_OUT port on load
VSWR
≤1.5:1
Setting Pad
SETHP
SET4
SET64
SET4
SET64
SET4
SET64
GLIN
Setting
Open
V0 to +V
+V
DC GND (2)
Open
Open
DC GND (2)
Open
Open
Open
DC GND
Typical Value
5 dBm
5 to 14 dBm
14 dBm
0 dBm
Non Active
0 dBm
Non Active
+/-1%
+/-0.33%
Pres4_P Output power on PRES4 port
Pres64_
P
Output power on PRES64 port
Medium tuning linearity over 33MHz
Vmt_Lin1
within Vmt_F_tune
(2) See “Typical Assembly and Bias Configuration” for recommendations.
Ref.: DSCHV22707117 -27 Apr 07
4/8
Specifications subject to change without notice
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
Ku-band HBT VCO
Chip Mechanical Data and Pin References
5
82
355
655
6
7
8
1105
9
CHV2270
1898
10
1740
11
12
4
1290
1440
390
82
655
1228
1
13
3
14
15
240
2
Origin 0,0
Layout 1310x1980
Unit = µm
External chip size (layout size + dicing streets) = 1380 x 2050
±
35
Chip thickness = 100 +/- 10
RF Pads (1, 5) = 75 x 100 (SiNx opening larger in the bonding axis)
DC/IF Pads = 75 x 100 (SiNx opening larger in the bonding axis)
SiNx layer protection thickness = 0.2
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin name
RF
SETHP
VA1
VD1
VD2
PRES4
SET4
SET64
PRES64
GLIN
VTF
VTM
VTC
VA2
VTEMP
Description
RF output port
RF power option setting port
Positive supply voltage port (intra-connected to VA2)
Positive supply voltage port (intra-connected to VD2)
Positive supply voltage port (intra-connected to VD1)
Prescaler rank 4 output port
Prescaler rank 4 option setting port
Prescaler rank 64 option setting port
Prescaler rank 64 output port
VTM linearity option setting port
RF Frequency fine tuning port
RF Frequency medium tuning port
RF Frequency coarse tuning port
Positive supply voltage port (intra-connected to VA1)
Temperature sensor output port
Ref. : DSCHV22707117 -27 Apr 07
5/8
Specifications subject to change without notice
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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