ATR2732N3 Datasheet, PDF (3/14 Pages) ATMEL Corporation – Integrated DAB One-chip Front End

ATR2732N3
Table 2-1.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin Description
Symbol Function
VAMIXL Supply voltage (mixer for L-band)
VAVCOL Supply voltage (VCO for L-band)
TUNVL Tuning voltage for integrated L-band VCO (connected to PLL loop filter)
GDVCOL Ground (L-band VCO)
LNAVIN+ Input for VHF LNVGA (differential with pin 8)
LNAVL+ Connection for degeneration coil (inductance) to GNDLNA for VHF LNVGA
LNAVL– Connection for degeneration coil (inductance) to GNDLNA for VHF LNVGA
LNAVIN– Input for VHF LNVGA (differential with pin 5)
VALNA Supply voltage for LNVGAs
LNALO+ (Differential) output for L-band LNVGA
LNALO– (Differential) output for L-band LNVGA
AGCRF Connection for time-constant capacitor of RF AGC (LNVGAs, external PIN diode)
GNDLNA Ground for LNVGAs
LNALIN+ (Differential) input for L-band LNVGA
LNALIN– (Differential) input for L-band LNVGA
IPINDIO Current output to external PIN diode for additional attenuation of incoming signal (optional)
LNAVO+ (Differential) output of VHF LNVGA and/or mixer for L-band
LNAVO– (Differential) output of VHF LNVGA and/or mixer for L-band
VABIAS Supply voltage for (internal) voltage and current bias reference circuits
CVREF Connection for capacitor for filtering internal voltage/current reference circuits (capacitor to VABIAS)
IF1O+ (Differential) Output of IFVGA1
IF1O– (Differential) Output of IFVGA1
VA1 Supply voltage
RREFE Connection for current reference resistor (resistor to ground)
AGCSAW Connection for AGC time-constant capacitor of the VHF mixer
IF1IN+ (Differential) Input of 1st IFVGA
IF1IN– (Differential) Input of 1st IFVGA
MIXVIN+ (Differential) Input of VHF mixer
MIXVIN– (Differential) Input of VHF mixer
MIXVO+ (Differential) Output of VHF mixer
MIXVO– (Differential) Output of VHF mixer
VAVCOV Supply voltage (VHF VCO)
TUNVV Tuning voltage for integrated VHF VCO (connected to PLL loop filter)
GDVCOV Ground (VHF VCO)
VFIL3 Voltage outputs for frequency tuning of VHF filters: antenna filter, preselection filter
VFIL2 Voltage outputs for frequency tuning of VHF filters: antenna filter, preselection filter
VFIL1 Voltage outputs for frequency tuning of VHF filters: antenna filter, preselection filter
VTNKREF Output voltage for tuning the reference tank (-varactor)
TNKREFI Reference-tank connection for to generate the tuning voltages for the external VHF filters (varactors)
TNKREFO Reference-tank connection for to generate the tuning voltages for the external VHF filters (varactors)
3
9129AS–DAB–04/08