u2794b ATMEL Corporation, u2794b Datasheet - Page 12

• Manufacturer Part Number: u2794b
• Description: U2794b 1000-mhz Quadrature Demodulator
• Manufacturer: ATMEL Corporation

6.1
6.2
6.3
12
External Components
Calibration Part
Conversion to Single Ended Output
U2794B
(see datasheet of AD620)
CUCC
CRFX
CLO
CNLO
CRF
CII, CQQ
T3
CI, CIX
CQ, CQX
CPDN
CGC
CPC
CNPC
GSW
CO, CS, CL
RL
OP1, OP2
RG1, RG2
RD1, RD2
CS1, CS2
CS3, CS4
100 nF
1 nF
100 pF
1 nF
100 pF
100 pF
100 pF
100 pF
100 pF
100 pF
50
450
100 nF
100 nF
optional external lowpass filters
transmission line for RF-input matching, to connect optionally
optional for AC-coupling at
baseband outputs
not connected
not connected
not connected
gain switch
AD620
prog. gain, see datasheet, for 5.6 k
achieved together with RD1 and RD2.
a gain of 1 at 50
4653E–CELL–07/06
is