U2761B
| Model | U2761B |
| Description | DECT RF / IF IC |
| PDF file | Total 12 pages (File size: 430K) |
| Chip Manufacturer | TEMIC |
U2761B
Typical Application Circuit
RX_ON
TX_ON
LO_IN
LC–tank
RX_DATA
PCB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Matching +
balun
+
OP amp
–
RX
Demodulator
TX
driver
TX
Control–
logic LC
SAW
Filter
IF
amp 2
IR
mixer
IF amp 1
Ramp
generator
Matching +
balun
RF/IF
U2761B
1
RSSI
PU
LC–Tank
MIXER_IN
TX_RF_OUT
2
3
4
5
6
7
8
9
10
11
12
13
14
VS
RAMP_OUT
14658
Figure 3. Typical application circuit
Recommended Baseband Filter (f
3dB
14659
[
570 kHz)
26
–
25
R3
6.8k
R1
13k
C1
18p
C2
5.6p
27
28
+
Figure 4. Recommended baseband filter
6 (11)
Preliminary Information
TEMIC Semiconductor
Rev. A4, 10-Mar-98
Related PDFs
| Model | Description | Manufacturer | Operation |
|---|---|---|---|
 U2761B-MFSY
|
Baseband Circuit, Bipolar, PDSO28, SSO-28 | TEMIC | Preview |
