HAP-S1
81
IC4008 CS230002-CZZR
CLK_OUT 3
CLK_IN 5
LOCK 4
VD 1
GND 2
M0
10
M1
9
FILTN
7
FILTP
6
M [1:0]
00 = 1
u
01 = 2
u
10 = 4
u
11 = 8
u
OUT_EN
8
LCO
'6
FRACTIONAL-N
FREQUENCY
SYNTHESIZER
128 Hz BW DIGITAL PLL
& FRACTIONAL N LOGIC
N
OUTPUT TO INPUT
CLOCK RADIO
– FPGA DSP Board –
IC101 TPS54295PWPR
VIN2
16
VBST2
15
SW2
14
PGND2
13
EN2
12
SS2
11
VFB2
10
VREG5
9
VIN1 1
VBST1
SW1
2
3
PGND1 4
EN1 5
SS1
VFB1
6
7
GND 8
VREG5
VREG5
PROTECTION
LOGIC
+
CH1 MIN-OFF
TIMER
+
+
REF2
PGND2
SW2
+
REF_OCL
SW2
SS2
ERR COMP
+
+
+20%
32%
UV
UV2
ZC2
ZC1
OCP2
OCP1
OV
OV2
CH2 MIN-OFF
TIMER
+
+
+
REF1
PGND1
PGND
PGND
VIN1
CONTROL
LOGIC
CONTROL
LOGIC
SW1
+
REF_OCL
XCON
XCON
SW1
SS1
UV1
UV2
OV1
OV2
UVLO
TSD
ERR COMP
+
+
+20%
32%
UV
UV1
OV
OV1
SS1
SS2
EN LOGIC
5V REG
EN LOGIC
SOFT START
REF1
REF2
REF
UVLO
VREG5
IC102 MM3464A25NRE
VOUT
5
NC
4
CE 3
GND 2
VDD 1
+
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS