U2797B Datasheet, PDF (3/13 Pages) TEMIC Semiconductors – 1000-MHz Quadrature Modulator

TELEFUNKEN Semiconductors
U2797B
Electrical characteristics
W ^{Test conditions (unless otherwise specified): VS = 5 V, Tamb = 25°C, referred to test circuit. System impedance}
Z_O = 50 , f_LO = 900 MHz, P_LO = –10 dBm, V_BBi = 1 V_pp diff
Parameters
Test conditions / Pin
Symbol Min.
Typ.
Max.
Unit
Supply voltage range
Supply current
Baseband inputs
Input voltage range
(differential)
Input impedance
(single ended)
Input frequency range
LO input
Pins 5, 6 and 7
Pins 5, 6 and 7
Pins 9-10, 11–12
Pin 14
V_S
4.5
5.5
V
I_S
30
mA
V_BBi
Z_BBi
1000
150
1500
mV_pp
kW
f_BBi
0
200
MHz
Frequency range
Input level ¹
Input impedance
Voltage standing wave ratio
Duty cycle range
RF output
Pin 4
f_LOi
100
P_LOi
– 12
Z_iLO
VSWR_LO
DCR_LO
0.4
1000 MHz
– 10
–5
dBm
50
W
1.4
2
–
0.6
–
Output level
LO suppression ²
Sideband suppression ^2,3
Phase error ⁴
Amplitude error
f_LO = 900 MHz
f_LO = 150 MHz
f_LO = 900 MHz
f_LO = 150 MHz
P_RFo
LO_RFo
SBS_RFo
P_e
A_e
–5
–1
30
35
32
35
35
40
30
35
"^{< 1}
< 0.25
dBm
dB
dB
deg.
dB
Noise floor
V_BBi = 2 V, V_BBi = 3 V
N_FL
V_BBi = V_BBi = 2.5 V
– 132
– 144
dBm/Hz
VSWR
VSWR_RF
1.6
2
3rd order baseband
harmonic suppression
S_BBH
35
45
dB
RF harmonic suppression
S_RFH
35
dB
Power down mode
Supply current
Settling time
x V_PD 0.5 V Pins 4, 5
I_PD
V_PD = 1 V
C_SPD = 100 pF
t_sPD
C_LO = 100 pF
C_RFo = 1 nF Pin 6 to 3
1
mA
10
10
ms
Switching voltage
Pin 1
Power on
Power down
Reference voltage
Pin 13
V_PDon
4
V_PDdown
V
1
V
Voltage range
Output impedance
V_Ref
2.35
2.5
2.65
Z_{o Ref}
30
V
W
v ^{Note: 1 The required LO level is a function of the LO frequency}
Note: 2 In reference to a RF output level – 1 dBm and I/Q input level of 400 mV_pp diff.
Note: 3 Sideband suppression is tested without connection at pins 19 and 20. For higher
requirements a potentiometer can be connected at these pins.
Note: 4 For T_amb = –40 to + 85°C and V_S = 4.5 to 5.5 V
Rev. A1: 06.09.1995
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